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-rw-r--r--arch/x86/ia32/Makefile41
-rw-r--r--arch/x86/ia32/audit.c2
-rw-r--r--arch/x86/ia32/fpu32.c183
-rw-r--r--arch/x86/ia32/ia32_aout.c246
-rw-r--r--arch/x86/ia32/ia32_binfmt.c285
-rw-r--r--arch/x86/ia32/ia32_signal.c472
-rw-r--r--arch/x86/ia32/ia32entry.S11
-rw-r--r--arch/x86/ia32/ipc32.c30
-rw-r--r--arch/x86/ia32/mmap32.c79
-rw-r--r--arch/x86/ia32/ptrace32.c404
-rw-r--r--arch/x86/ia32/sys_ia32.c504
-rw-r--r--arch/x86/ia32/syscall32.c83
-rw-r--r--arch/x86/ia32/syscall32_syscall.S17
-rw-r--r--arch/x86/ia32/tls32.c163
-rw-r--r--arch/x86/ia32/vsyscall-sigreturn.S143
-rw-r--r--arch/x86/ia32/vsyscall-syscall.S69
-rw-r--r--arch/x86/ia32/vsyscall-sysenter.S95
-rw-r--r--arch/x86/ia32/vsyscall.lds80
18 files changed, 646 insertions, 2261 deletions
diff --git a/arch/x86/ia32/Makefile b/arch/x86/ia32/Makefile
index e2edda255a8..52d0ccfcf6e 100644
--- a/arch/x86/ia32/Makefile
+++ b/arch/x86/ia32/Makefile
@@ -2,9 +2,7 @@
# Makefile for the ia32 kernel emulation subsystem.
#
-obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o tls32.o \
- ia32_binfmt.o fpu32.o ptrace32.o syscall32.o syscall32_syscall.o \
- mmap32.o
+obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o
sysv-$(CONFIG_SYSVIPC) := ipc32.o
obj-$(CONFIG_IA32_EMULATION) += $(sysv-y)
@@ -13,40 +11,3 @@ obj-$(CONFIG_IA32_AOUT) += ia32_aout.o
audit-class-$(CONFIG_AUDIT) := audit.o
obj-$(CONFIG_IA32_EMULATION) += $(audit-class-y)
-
-$(obj)/syscall32_syscall.o: \
- $(foreach F,sysenter syscall,$(obj)/vsyscall-$F.so)
-
-# Teach kbuild about targets
-targets := $(foreach F,$(addprefix vsyscall-,sysenter syscall),\
- $F.o $F.so $F.so.dbg)
-
-# The DSO images are built using a special linker script
-quiet_cmd_syscall = SYSCALL $@
- cmd_syscall = $(CC) -m32 -nostdlib -shared \
- $(call ld-option, -Wl$(comma)--hash-style=sysv) \
- -Wl,-soname=linux-gate.so.1 -o $@ \
- -Wl,-T,$(filter-out FORCE,$^)
-
-$(obj)/%.so: OBJCOPYFLAGS := -S
-$(obj)/%.so: $(obj)/%.so.dbg FORCE
- $(call if_changed,objcopy)
-
-$(obj)/vsyscall-sysenter.so.dbg $(obj)/vsyscall-syscall.so.dbg: \
-$(obj)/vsyscall-%.so.dbg: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE
- $(call if_changed,syscall)
-
-AFLAGS_vsyscall-sysenter.o = -m32 -Wa,-32
-AFLAGS_vsyscall-syscall.o = -m32 -Wa,-32
-
-vdsos := vdso32-sysenter.so vdso32-syscall.so
-
-quiet_cmd_vdso_install = INSTALL $@
- cmd_vdso_install = cp $(@:vdso32-%.so=$(obj)/vsyscall-%.so.dbg) \
- $(MODLIB)/vdso/$@
-
-$(vdsos):
- @mkdir -p $(MODLIB)/vdso
- $(call cmd,vdso_install)
-
-vdso_install: $(vdsos)
diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c
index 91b7b5922df..5d7b381da69 100644
--- a/arch/x86/ia32/audit.c
+++ b/arch/x86/ia32/audit.c
@@ -27,7 +27,7 @@ unsigned ia32_signal_class[] = {
int ia32_classify_syscall(unsigned syscall)
{
- switch(syscall) {
+ switch (syscall) {
case __NR_open:
return 2;
case __NR_openat:
diff --git a/arch/x86/ia32/fpu32.c b/arch/x86/ia32/fpu32.c
deleted file mode 100644
index 2c8209a3605..00000000000
--- a/arch/x86/ia32/fpu32.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright 2002 Andi Kleen, SuSE Labs.
- * FXSAVE<->i387 conversion support. Based on code by Gareth Hughes.
- * This is used for ptrace, signals and coredumps in 32bit emulation.
- */
-
-#include <linux/sched.h>
-#include <asm/sigcontext32.h>
-#include <asm/processor.h>
-#include <asm/uaccess.h>
-#include <asm/i387.h>
-
-static inline unsigned short twd_i387_to_fxsr(unsigned short twd)
-{
- unsigned int tmp; /* to avoid 16 bit prefixes in the code */
-
- /* Transform each pair of bits into 01 (valid) or 00 (empty) */
- tmp = ~twd;
- tmp = (tmp | (tmp>>1)) & 0x5555; /* 0V0V0V0V0V0V0V0V */
- /* and move the valid bits to the lower byte. */
- tmp = (tmp | (tmp >> 1)) & 0x3333; /* 00VV00VV00VV00VV */
- tmp = (tmp | (tmp >> 2)) & 0x0f0f; /* 0000VVVV0000VVVV */
- tmp = (tmp | (tmp >> 4)) & 0x00ff; /* 00000000VVVVVVVV */
- return tmp;
-}
-
-static inline unsigned long twd_fxsr_to_i387(struct i387_fxsave_struct *fxsave)
-{
- struct _fpxreg *st = NULL;
- unsigned long tos = (fxsave->swd >> 11) & 7;
- unsigned long twd = (unsigned long) fxsave->twd;
- unsigned long tag;
- unsigned long ret = 0xffff0000;
- int i;
-
-#define FPREG_ADDR(f, n) ((void *)&(f)->st_space + (n) * 16);
-
- for (i = 0 ; i < 8 ; i++) {
- if (twd & 0x1) {
- st = FPREG_ADDR( fxsave, (i - tos) & 7 );
-
- switch (st->exponent & 0x7fff) {
- case 0x7fff:
- tag = 2; /* Special */
- break;
- case 0x0000:
- if ( !st->significand[0] &&
- !st->significand[1] &&
- !st->significand[2] &&
- !st->significand[3] ) {
- tag = 1; /* Zero */
- } else {
- tag = 2; /* Special */
- }
- break;
- default:
- if (st->significand[3] & 0x8000) {
- tag = 0; /* Valid */
- } else {
- tag = 2; /* Special */
- }
- break;
- }
- } else {
- tag = 3; /* Empty */
- }
- ret |= (tag << (2 * i));
- twd = twd >> 1;
- }
- return ret;
-}
-
-
-static inline int convert_fxsr_from_user(struct i387_fxsave_struct *fxsave,
- struct _fpstate_ia32 __user *buf)
-{
- struct _fpxreg *to;
- struct _fpreg __user *from;
- int i;
- u32 v;
- int err = 0;
-
-#define G(num,val) err |= __get_user(val, num + (u32 __user *)buf)
- G(0, fxsave->cwd);
- G(1, fxsave->swd);
- G(2, fxsave->twd);
- fxsave->twd = twd_i387_to_fxsr(fxsave->twd);
- G(3, fxsave->rip);
- G(4, v);
- fxsave->fop = v>>16; /* cs ignored */
- G(5, fxsave->rdp);
- /* 6: ds ignored */
-#undef G
- if (err)
- return -1;
-
- to = (struct _fpxreg *)&fxsave->st_space[0];
- from = &buf->_st[0];
- for (i = 0 ; i < 8 ; i++, to++, from++) {
- if (__copy_from_user(to, from, sizeof(*from)))
- return -1;
- }
- return 0;
-}
-
-
-static inline int convert_fxsr_to_user(struct _fpstate_ia32 __user *buf,
- struct i387_fxsave_struct *fxsave,
- struct pt_regs *regs,
- struct task_struct *tsk)
-{
- struct _fpreg __user *to;
- struct _fpxreg *from;
- int i;
- u16 cs,ds;
- int err = 0;
-
- if (tsk == current) {
- /* should be actually ds/cs at fpu exception time,
- but that information is not available in 64bit mode. */
- asm("movw %%ds,%0 " : "=r" (ds));
- asm("movw %%cs,%0 " : "=r" (cs));
- } else { /* ptrace. task has stopped. */
- ds = tsk->thread.ds;
- cs = regs->cs;
- }
-
-#define P(num,val) err |= __put_user(val, num + (u32 __user *)buf)
- P(0, (u32)fxsave->cwd | 0xffff0000);
- P(1, (u32)fxsave->swd | 0xffff0000);
- P(2, twd_fxsr_to_i387(fxsave));
- P(3, (u32)fxsave->rip);
- P(4, cs | ((u32)fxsave->fop) << 16);
- P(5, fxsave->rdp);
- P(6, 0xffff0000 | ds);
-#undef P
-
- if (err)
- return -1;
-
- to = &buf->_st[0];
- from = (struct _fpxreg *) &fxsave->st_space[0];
- for ( i = 0 ; i < 8 ; i++, to++, from++ ) {
- if (__copy_to_user(to, from, sizeof(*to)))
- return -1;
- }
- return 0;
-}
-
-int restore_i387_ia32(struct task_struct *tsk, struct _fpstate_ia32 __user *buf, int fsave)
-{
- clear_fpu(tsk);
- if (!fsave) {
- if (__copy_from_user(&tsk->thread.i387.fxsave,
- &buf->_fxsr_env[0],
- sizeof(struct i387_fxsave_struct)))
- return -1;
- tsk->thread.i387.fxsave.mxcsr &= mxcsr_feature_mask;
- set_stopped_child_used_math(tsk);
- }
- return convert_fxsr_from_user(&tsk->thread.i387.fxsave, buf);
-}
-
-int save_i387_ia32(struct task_struct *tsk,
- struct _fpstate_ia32 __user *buf,
- struct pt_regs *regs,
- int fsave)
-{
- int err = 0;
-
- init_fpu(tsk);
- if (convert_fxsr_to_user(buf, &tsk->thread.i387.fxsave, regs, tsk))
- return -1;
- if (fsave)
- return 0;
- err |= __put_user(tsk->thread.i387.fxsave.swd, &buf->status);
- if (fsave)
- return err ? -1 : 1;
- err |= __put_user(X86_FXSR_MAGIC, &buf->magic);
- err |= __copy_to_user(&buf->_fxsr_env[0], &tsk->thread.i387.fxsave,
- sizeof(struct i387_fxsave_struct));
- return err ? -1 : 1;
-}
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index f82e1a94fcb..e4c12079171 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -25,6 +25,7 @@
#include <linux/binfmts.h>
#include <linux/personality.h>
#include <linux/init.h>
+#include <linux/jiffies.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@@ -36,61 +37,67 @@
#undef WARN_OLD
#undef CORE_DUMP /* probably broken */
-static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs);
-static int load_aout_library(struct file*);
+static int load_aout_binary(struct linux_binprm *, struct pt_regs *regs);
+static int load_aout_library(struct file *);
#ifdef CORE_DUMP
-static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit);
+static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
+ unsigned long limit);
/*
* fill in the user structure for a core dump..
*/
-static void dump_thread32(struct pt_regs * regs, struct user32 * dump)
+static void dump_thread32(struct pt_regs *regs, struct user32 *dump)
{
- u32 fs,gs;
+ u32 fs, gs;
/* changed the size calculations - should hopefully work better. lbt */
dump->magic = CMAGIC;
dump->start_code = 0;
- dump->start_stack = regs->rsp & ~(PAGE_SIZE - 1);
+ dump->start_stack = regs->sp & ~(PAGE_SIZE - 1);
dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
- dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT;
+ dump->u_dsize = ((unsigned long)
+ (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT;
dump->u_dsize -= dump->u_tsize;
dump->u_ssize = 0;
- dump->u_debugreg[0] = current->thread.debugreg0;
- dump->u_debugreg[1] = current->thread.debugreg1;
- dump->u_debugreg[2] = current->thread.debugreg2;
- dump->u_debugreg[3] = current->thread.debugreg3;
- dump->u_debugreg[4] = 0;
- dump->u_debugreg[5] = 0;
- dump->u_debugreg[6] = current->thread.debugreg6;
- dump->u_debugreg[7] = current->thread.debugreg7;
-
- if (dump->start_stack < 0xc0000000)
- dump->u_ssize = ((unsigned long) (0xc0000000 - dump->start_stack)) >> PAGE_SHIFT;
-
- dump->regs.ebx = regs->rbx;
- dump->regs.ecx = regs->rcx;
- dump->regs.edx = regs->rdx;
- dump->regs.esi = regs->rsi;
- dump->regs.edi = regs->rdi;
- dump->regs.ebp = regs->rbp;
- dump->regs.eax = regs->rax;
+ dump->u_debugreg[0] = current->thread.debugreg0;
+ dump->u_debugreg[1] = current->thread.debugreg1;
+ dump->u_debugreg[2] = current->thread.debugreg2;
+ dump->u_debugreg[3] = current->thread.debugreg3;
+ dump->u_debugreg[4] = 0;
+ dump->u_debugreg[5] = 0;
+ dump->u_debugreg[6] = current->thread.debugreg6;
+ dump->u_debugreg[7] = current->thread.debugreg7;
+
+ if (dump->start_stack < 0xc0000000) {
+ unsigned long tmp;
+
+ tmp = (unsigned long) (0xc0000000 - dump->start_stack);
+ dump->u_ssize = tmp >> PAGE_SHIFT;
+ }
+
+ dump->regs.bx = regs->bx;
+ dump->regs.cx = regs->cx;
+ dump->regs.dx = regs->dx;
+ dump->regs.si = regs->si;
+ dump->regs.di = regs->di;
+ dump->regs.bp = regs->bp;
+ dump->regs.ax = regs->ax;
dump->regs.ds = current->thread.ds;
dump->regs.es = current->thread.es;
asm("movl %%fs,%0" : "=r" (fs)); dump->regs.fs = fs;
- asm("movl %%gs,%0" : "=r" (gs)); dump->regs.gs = gs;
- dump->regs.orig_eax = regs->orig_rax;
- dump->regs.eip = regs->rip;
+ asm("movl %%gs,%0" : "=r" (gs)); dump->regs.gs = gs;
+ dump->regs.orig_ax = regs->orig_ax;
+ dump->regs.ip = regs->ip;
dump->regs.cs = regs->cs;
- dump->regs.eflags = regs->eflags;
- dump->regs.esp = regs->rsp;
+ dump->regs.flags = regs->flags;
+ dump->regs.sp = regs->sp;
dump->regs.ss = regs->ss;
#if 1 /* FIXME */
dump->u_fpvalid = 0;
#else
- dump->u_fpvalid = dump_fpu (regs, &dump->i387);
+ dump->u_fpvalid = dump_fpu(regs, &dump->i387);
#endif
}
@@ -128,15 +135,19 @@ static int dump_write(struct file *file, const void *addr, int nr)
return file->f_op->write(file, addr, nr, &file->f_pos) == nr;
}
-#define DUMP_WRITE(addr, nr) \
+#define DUMP_WRITE(addr, nr) \
if (!dump_write(file, (void *)(addr), (nr))) \
goto end_coredump;
-#define DUMP_SEEK(offset) \
-if (file->f_op->llseek) { \
- if (file->f_op->llseek(file,(offset),0) != (offset)) \
- goto end_coredump; \
-} else file->f_pos = (offset)
+#define DUMP_SEEK(offset) \
+ if (file->f_op->llseek) { \
+ if (file->f_op->llseek(file, (offset), 0) != (offset)) \
+ goto end_coredump; \
+ } else \
+ file->f_pos = (offset)
+
+#define START_DATA() (u.u_tsize << PAGE_SHIFT)
+#define START_STACK(u) (u.start_stack)
/*
* Routine writes a core dump image in the current directory.
@@ -148,62 +159,70 @@ if (file->f_op->llseek) { \
* dumping of the process results in another error..
*/
-static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit)
+static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
+ unsigned long limit)
{
mm_segment_t fs;
int has_dumped = 0;
unsigned long dump_start, dump_size;
struct user32 dump;
-# define START_DATA(u) (u.u_tsize << PAGE_SHIFT)
-# define START_STACK(u) (u.start_stack)
fs = get_fs();
set_fs(KERNEL_DS);
has_dumped = 1;
current->flags |= PF_DUMPCORE;
- strncpy(dump.u_comm, current->comm, sizeof(current->comm));
- dump.u_ar0 = (u32)(((unsigned long)(&dump.regs)) - ((unsigned long)(&dump)));
+ strncpy(dump.u_comm, current->comm, sizeof(current->comm));
+ dump.u_ar0 = (u32)(((unsigned long)(&dump.regs)) -
+ ((unsigned long)(&dump)));
dump.signal = signr;
dump_thread32(regs, &dump);
-/* If the size of the dump file exceeds the rlimit, then see what would happen
- if we wrote the stack, but not the data area. */
+ /*
+ * If the size of the dump file exceeds the rlimit, then see
+ * what would happen if we wrote the stack, but not the data
+ * area.
+ */
if ((dump.u_dsize + dump.u_ssize + 1) * PAGE_SIZE > limit)
dump.u_dsize = 0;
-/* Make sure we have enough room to write the stack and data areas. */
+ /* Make sure we have enough room to write the stack and data areas. */
if ((dump.u_ssize + 1) * PAGE_SIZE > limit)
dump.u_ssize = 0;
-/* make sure we actually have a data and stack area to dump */
+ /* make sure we actually have a data and stack area to dump */
set_fs(USER_DS);
- if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_DATA(dump), dump.u_dsize << PAGE_SHIFT))
+ if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_DATA(dump),
+ dump.u_dsize << PAGE_SHIFT))
dump.u_dsize = 0;
- if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_STACK(dump), dump.u_ssize << PAGE_SHIFT))
+ if (!access_ok(VERIFY_READ, (void *) (unsigned long)START_STACK(dump),
+ dump.u_ssize << PAGE_SHIFT))
dump.u_ssize = 0;
set_fs(KERNEL_DS);
-/* struct user */
- DUMP_WRITE(&dump,sizeof(dump));
-/* Now dump all of the user data. Include malloced stuff as well */
+ /* struct user */
+ DUMP_WRITE(&dump, sizeof(dump));
+ /* Now dump all of the user data. Include malloced stuff as well */
DUMP_SEEK(PAGE_SIZE);
-/* now we start writing out the user space info */
+ /* now we start writing out the user space info */
set_fs(USER_DS);
-/* Dump the data area */
+ /* Dump the data area */
if (dump.u_dsize != 0) {
dump_start = START_DATA(dump);
dump_size = dump.u_dsize << PAGE_SHIFT;
- DUMP_WRITE(dump_start,dump_size);
+ DUMP_WRITE(dump_start, dump_size);
}
-/* Now prepare to dump the stack area */
+ /* Now prepare to dump the stack area */
if (dump.u_ssize != 0) {
dump_start = START_STACK(dump);
dump_size = dump.u_ssize << PAGE_SHIFT;
- DUMP_WRITE(dump_start,dump_size);
+ DUMP_WRITE(dump_start, dump_size);
}
-/* Finally dump the task struct. Not be used by gdb, but could be useful */
+ /*
+ * Finally dump the task struct. Not be used by gdb, but
+ * could be useful
+ */
set_fs(KERNEL_DS);
- DUMP_WRITE(current,sizeof(*current));
+ DUMP_WRITE(current, sizeof(*current));
end_coredump:
set_fs(fs);
return has_dumped;
@@ -217,35 +236,34 @@ end_coredump:
*/
static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm)
{
- u32 __user *argv;
- u32 __user *envp;
- u32 __user *sp;
- int argc = bprm->argc;
- int envc = bprm->envc;
+ u32 __user *argv, *envp, *sp;
+ int argc = bprm->argc, envc = bprm->envc;
sp = (u32 __user *) ((-(unsigned long)sizeof(u32)) & (unsigned long) p);
sp -= envc+1;
envp = sp;
sp -= argc+1;
argv = sp;
- put_user((unsigned long) envp,--sp);
- put_user((unsigned long) argv,--sp);
- put_user(argc,--sp);
+ put_user((unsigned long) envp, --sp);
+ put_user((unsigned long) argv, --sp);
+ put_user(argc, --sp);
current->mm->arg_start = (unsigned long) p;
- while (argc-->0) {
+ while (argc-- > 0) {
char c;
- put_user((u32)(unsigned long)p,argv++);
+
+ put_user((u32)(unsigned long)p, argv++);
do {
- get_user(c,p++);
+ get_user(c, p++);
} while (c);
}
put_user(0, argv);
current->mm->arg_end = current->mm->env_start = (unsigned long) p;
- while (envc-->0) {
+ while (envc-- > 0) {
char c;
- put_user((u32)(unsigned long)p,envp++);
+
+ put_user((u32)(unsigned long)p, envp++);
do {
- get_user(c,p++);
+ get_user(c, p++);
} while (c);
}
put_user(0, envp);
@@ -257,20 +275,18 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm)
* These are the functions used to load a.out style executables and shared
* libraries. There is no binary dependent code anywhere else.
*/
-
-static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
+static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
{
+ unsigned long error, fd_offset, rlim;
struct exec ex;
- unsigned long error;
- unsigned long fd_offset;
- unsigned long rlim;
int retval;
ex = *((struct exec *) bprm->buf); /* exec-header */
if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC &&
N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) ||
N_TRSIZE(ex) || N_DRSIZE(ex) ||
- i_size_read(bprm->file->f_path.dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
+ i_size_read(bprm->file->f_path.dentry->d_inode) <
+ ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
return -ENOEXEC;
}
@@ -291,13 +307,13 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
if (retval)
return retval;
- regs->cs = __USER32_CS;
+ regs->cs = __USER32_CS;
regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 =
regs->r13 = regs->r14 = regs->r15 = 0;
/* OK, This is the point of no return */
set_personality(PER_LINUX);
- set_thread_flag(TIF_IA32);
+ set_thread_flag(TIF_IA32);
clear_thread_flag(TIF_ABI_PENDING);
current->mm->end_code = ex.a_text +
@@ -311,7 +327,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
current->mm->mmap = NULL;
compute_creds(bprm);
- current->flags &= ~PF_FORKNOEXEC;
+ current->flags &= ~PF_FORKNOEXEC;
if (N_MAGIC(ex) == OMAGIC) {
unsigned long text_addr, map_size;
@@ -338,30 +354,31 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
send_sig(SIGKILL, current, 0);
return error;
}
-
+
flush_icache_range(text_addr, text_addr+ex.a_text+ex.a_data);
} else {
#ifdef WARN_OLD
static unsigned long error_time, error_time2;
if ((ex.a_text & 0xfff || ex.a_data & 0xfff) &&
- (N_MAGIC(ex) != NMAGIC) && (jiffies-error_time2) > 5*HZ)
- {
+ (N_MAGIC(ex) != NMAGIC) &&
+ time_after(jiffies, error_time2 + 5*HZ)) {
printk(KERN_NOTICE "executable not page aligned\n");
error_time2 = jiffies;
}
if ((fd_offset & ~PAGE_MASK) != 0 &&
- (jiffies-error_time) > 5*HZ)
- {
- printk(KERN_WARNING
- "fd_offset is not page aligned. Please convert program: %s\n",
+ time_after(jiffies, error_time + 5*HZ)) {
+ printk(KERN_WARNING
+ "fd_offset is not page aligned. Please convert "
+ "program: %s\n",
bprm->file->f_path.dentry->d_name.name);
error_time = jiffies;
}
#endif
- if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) {
+ if (!bprm->file->f_op->mmap || (fd_offset & ~PAGE_MASK) != 0) {
loff_t pos = fd_offset;
+
down_write(&current->mm->mmap_sem);
do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
up_write(&current->mm->mmap_sem);
@@ -376,9 +393,10 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
down_write(&current->mm->mmap_sem);
error = do_mmap(bprm->file, N_TXTADDR(ex), ex.a_text,
- PROT_READ | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE | MAP_32BIT,
- fd_offset);
+ PROT_READ | PROT_EXEC,
+ MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE |
+ MAP_EXECUTABLE | MAP_32BIT,
+ fd_offset);
up_write(&current->mm->mmap_sem);
if (error != N_TXTADDR(ex)) {
@@ -387,9 +405,10 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
}
down_write(&current->mm->mmap_sem);
- error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
+ error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data,
PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE | MAP_32BIT,
+ MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE |
+ MAP_EXECUTABLE | MAP_32BIT,
fd_offset + ex.a_text);
up_write(&current->mm->mmap_sem);
if (error != N_DATADDR(ex)) {
@@ -403,9 +422,9 @@ beyond_if:
set_brk(current->mm->start_brk, current->mm->brk);
retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT);
- if (retval < 0) {
- /* Someone check-me: is this error path enough? */
- send_sig(SIGKILL, current, 0);
+ if (retval < 0) {
+ /* Someone check-me: is this error path enough? */
+ send_sig(SIGKILL, current, 0);
return retval;
}
@@ -414,10 +433,10 @@ beyond_if:
/* start thread */
asm volatile("movl %0,%%fs" :: "r" (0)); \
asm volatile("movl %0,%%es; movl %0,%%ds": :"r" (__USER32_DS));
- load_gs_index(0);
- (regs)->rip = ex.a_entry;
- (regs)->rsp = current->mm->start_stack;
- (regs)->eflags = 0x200;
+ load_gs_index(0);
+ (regs)->ip = ex.a_entry;
+ (regs)->sp = current->mm->start_stack;
+ (regs)->flags = 0x200;
(regs)->cs = __USER32_CS;
(regs)->ss = __USER32_DS;
regs->r8 = regs->r9 = regs->r10 = regs->r11 =
@@ -425,7 +444,7 @@ beyond_if:
set_fs(USER_DS);
if (unlikely(current->ptrace & PT_PTRACED)) {
if (current->ptrace & PT_TRACE_EXEC)
- ptrace_notify ((PTRACE_EVENT_EXEC << 8) | SIGTRAP);
+ ptrace_notify((PTRACE_EVENT_EXEC << 8) | SIGTRAP);
else
send_sig(SIGTRAP, current, 0);
}
@@ -434,9 +453,8 @@ beyond_if:
static int load_aout_library(struct file *file)
{
- struct inode * inode;
- unsigned long bss, start_addr, len;
- unsigned long error;
+ struct inode *inode;
+ unsigned long bss, start_addr, len, error;
int retval;
struct exec ex;
@@ -450,7 +468,8 @@ static int load_aout_library(struct file *file)
/* We come in here for the regular a.out style of shared libraries */
if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) ||
N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) ||
- i_size_read(inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
+ i_size_read(inode) <
+ ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
goto out;
}
@@ -467,10 +486,10 @@ static int load_aout_library(struct file *file)
#ifdef WARN_OLD
static unsigned long error_time;
- if ((jiffies-error_time) > 5*HZ)
- {
- printk(KERN_WARNING
- "N_TXTOFF is not page aligned. Please convert library: %s\n",
+ if (time_after(jiffies, error_time + 5*HZ)) {
+ printk(KERN_WARNING
+ "N_TXTOFF is not page aligned. Please convert "
+ "library: %s\n",
file->f_path.dentry->d_name.name);
error_time = jiffies;
}
@@ -478,11 +497,12 @@ static int load_aout_library(struct file *file)
down_write(&current->mm->mmap_sem);
do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
up_write(&current->mm->mmap_sem);
-
+
file->f_op->read(file, (char __user *)start_addr,
ex.a_text + ex.a_data, &pos);
flush_icache_range((unsigned long) start_addr,
- (unsigned long) start_addr + ex.a_text + ex.a_data);
+ (unsigned long) start_addr + ex.a_text +
+ ex.a_data);
retval = 0;
goto out;
diff --git a/arch/x86/ia32/ia32_binfmt.c b/arch/x86/ia32/ia32_binfmt.c
deleted file mode 100644
index 55822d2cf05..00000000000
--- a/arch/x86/ia32/ia32_binfmt.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- * Written 2000,2002 by Andi Kleen.
- *
- * Loosely based on the sparc64 and IA64 32bit emulation loaders.
- * This tricks binfmt_elf.c into loading 32bit binaries using lots
- * of ugly preprocessor tricks. Talk about very very poor man's inheritance.
- */
-
-#include <linux/types.h>
-#include <linux/stddef.h>
-#include <linux/rwsem.h>
-#include <linux/sched.h>
-#include <linux/compat.h>
-#include <linux/string.h>
-#include <linux/binfmts.h>
-#include <linux/mm.h>
-#include <linux/security.h>
-#include <linux/elfcore-compat.h>
-
-#include <asm/segment.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/user32.h>
-#include <asm/sigcontext32.h>
-#include <asm/fpu32.h>
-#include <asm/i387.h>
-#include <asm/uaccess.h>
-#include <asm/ia32.h>
-#include <asm/vsyscall32.h>
-
-#undef ELF_ARCH
-#undef ELF_CLASS
-#define ELF_CLASS ELFCLASS32
-#define ELF_ARCH EM_386
-
-#undef elfhdr
-#undef elf_phdr
-#undef elf_note
-#undef elf_addr_t
-#define elfhdr elf32_hdr
-#define elf_phdr elf32_phdr
-#define elf_note elf32_note
-#define elf_addr_t Elf32_Off
-
-#define ELF_NAME "elf/i386"
-
-#define AT_SYSINFO 32
-#define AT_SYSINFO_EHDR 33
-
-int sysctl_vsyscall32 = 1;
-
-#undef ARCH_DLINFO
-#define ARCH_DLINFO do { \
- if (sysctl_vsyscall32) { \
- current->mm->context.vdso = (void *)VSYSCALL32_BASE; \
- NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
- NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE); \
- } \
-} while(0)
-
-struct file;
-
-#define IA32_EMULATOR 1
-
-#undef ELF_ET_DYN_BASE
-
-#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000)
-
-#define jiffies_to_timeval(a,b) do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; }while(0)
-
-#define _GET_SEG(x) \
- ({ __u32 seg; asm("movl %%" __stringify(x) ",%0" : "=r"(seg)); seg; })
-
-/* Assumes current==process to be dumped */
-#undef ELF_CORE_COPY_REGS
-#define ELF_CORE_COPY_REGS(pr_reg, regs) \
- pr_reg[0] = regs->rbx; \
- pr_reg[1] = regs->rcx; \
- pr_reg[2] = regs->rdx; \
- pr_reg[3] = regs->rsi; \
- pr_reg[4] = regs->rdi; \
- pr_reg[5] = regs->rbp; \
- pr_reg[6] = regs->rax; \
- pr_reg[7] = _GET_SEG(ds); \
- pr_reg[8] = _GET_SEG(es); \
- pr_reg[9] = _GET_SEG(fs); \
- pr_reg[10] = _GET_SEG(gs); \
- pr_reg[11] = regs->orig_rax; \
- pr_reg[12] = regs->rip; \
- pr_reg[13] = regs->cs; \
- pr_reg[14] = regs->eflags; \
- pr_reg[15] = regs->rsp; \
- pr_reg[16] = regs->ss;
-
-
-#define elf_prstatus compat_elf_prstatus
-#define elf_prpsinfo compat_elf_prpsinfo
-#define elf_fpregset_t struct user_i387_ia32_struct
-#define elf_fpxregset_t struct user32_fxsr_struct
-#define user user32
-
-#undef elf_read_implies_exec
-#define elf_read_implies_exec(ex, executable_stack) (executable_stack != EXSTACK_DISABLE_X)
-
-#define elf_core_copy_regs elf32_core_copy_regs
-static inline void elf32_core_copy_regs(compat_elf_gregset_t *elfregs,
- struct pt_regs *regs)
-{
- ELF_CORE_COPY_REGS((&elfregs->ebx), regs)
-}
-
-#define elf_core_copy_task_regs elf32_core_copy_task_regs
-static inline int elf32_core_copy_task_regs(struct task_struct *t,
- compat_elf_gregset_t* elfregs)
-{
- struct pt_regs *pp = task_pt_regs(t);
- ELF_CORE_COPY_REGS((&elfregs->ebx), pp);
- /* fix wrong segments */
- elfregs->ds = t->thread.ds;
- elfregs->fs = t->thread.fsindex;
- elfregs->gs = t->thread.gsindex;
- elfregs->es = t->thread.es;
- return 1;
-}
-
-#define elf_core_copy_task_fpregs elf32_core_copy_task_fpregs
-static inline int
-elf32_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs,
- elf_fpregset_t *fpu)
-{
- struct _fpstate_ia32 *fpstate = (void*)fpu;
- mm_segment_t oldfs = get_fs();
-
- if (!tsk_used_math(tsk))
- return 0;
- if (!regs)
- regs = task_pt_regs(tsk);
- if (tsk == current)
- unlazy_fpu(tsk);
- set_fs(KERNEL_DS);
- save_i387_ia32(tsk, fpstate, regs, 1);
- /* Correct for i386 bug. It puts the fop into the upper 16bits of
- the tag word (like FXSAVE), not into the fcs*/
- fpstate->cssel |= fpstate->tag & 0xffff0000;
- set_fs(oldfs);
- return 1;
-}
-
-#define ELF_CORE_COPY_XFPREGS 1
-#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
-#define elf_core_copy_task_xfpregs elf32_core_copy_task_xfpregs
-static inline int
-elf32_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
-{
- struct pt_regs *regs = task_pt_regs(t);
- if (!tsk_used_math(t))
- return 0;
- if (t == current)
- unlazy_fpu(t);
- memcpy(xfpu, &t->thread.i387.fxsave, sizeof(elf_fpxregset_t));
- xfpu->fcs = regs->cs;
- xfpu->fos = t->thread.ds; /* right? */
- return 1;
-}
-
-#undef elf_check_arch
-#define elf_check_arch(x) \
- ((x)->e_machine == EM_386)
-
-extern int force_personality32;
-
-#undef ELF_EXEC_PAGESIZE
-#undef ELF_HWCAP
-#undef ELF_PLATFORM
-#undef SET_PERSONALITY
-#define ELF_EXEC_PAGESIZE PAGE_SIZE
-#define ELF_HWCAP (boot_cpu_data.x86_capability[0])
-#define ELF_PLATFORM ("i686")
-#define SET_PERSONALITY(ex, ibcs2) \
-do { \
- unsigned long new_flags = 0; \
- if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
- new_flags = _TIF_IA32; \
- if ((current_thread_info()->flags & _TIF_IA32) \
- != new_flags) \
- set_thread_flag(TIF_ABI_PENDING); \
- else \
- clear_thread_flag(TIF_ABI_PENDING); \
- /* XXX This overwrites the user set personality */ \
- current->personality |= force_personality32; \
-} while (0)
-
-/* Override some function names */
-#define elf_format elf32_format
-
-#define init_elf_binfmt init_elf32_binfmt
-#define exit_elf_binfmt exit_elf32_binfmt
-
-#define load_elf_binary load_elf32_binary
-
-#undef ELF_PLAT_INIT
-#define ELF_PLAT_INIT(r, load_addr) elf32_init(r)
-
-#undef start_thread
-#define start_thread(regs,new_rip,new_rsp) do { \
- asm volatile("movl %0,%%fs" :: "r" (0)); \
- asm volatile("movl %0,%%es; movl %0,%%ds": :"r" (__USER32_DS)); \
- load_gs_index(0); \
- (regs)->rip = (new_rip); \
- (regs)->rsp = (new_rsp); \
- (regs)->eflags = 0x200; \
- (regs)->cs = __USER32_CS; \
- (regs)->ss = __USER32_DS; \
- set_fs(USER_DS); \
-} while(0)
-
-
-#include <linux/module.h>
-
-MODULE_DESCRIPTION("Binary format loader for compatibility with IA32 ELF binaries.");
-MODULE_AUTHOR("Eric Youngdale, Andi Kleen");
-
-#undef MODULE_DESCRIPTION
-#undef MODULE_AUTHOR
-
-static void elf32_init(struct pt_regs *);
-
-#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
-#define arch_setup_additional_pages syscall32_setup_pages
-extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
-
-#include "../../../fs/binfmt_elf.c"
-
-static void elf32_init(struct pt_regs *regs)
-{
- struct task_struct *me = current;
- regs->rdi = 0;
- regs->rsi = 0;
- regs->rdx = 0;
- regs->rcx = 0;
- regs->rax = 0;
- regs->rbx = 0;
- regs->rbp = 0;
- regs->r8 = regs->r9 = regs->r10 = regs->r11 = regs->r12 =
- regs->r13 = regs->r14 = regs->r15 = 0;
- me->thread.fs = 0;
- me->thread.gs = 0;
- me->thread.fsindex = 0;
- me->thread.gsindex = 0;
- me->thread.ds = __USER_DS;
- me->thread.es = __USER_DS;
-}
-
-#ifdef CONFIG_SYSCTL
-/* Register vsyscall32 into the ABI table */
-#include <linux/sysctl.h>
-
-static ctl_table abi_table2[] = {
- {
- .procname = "vsyscall32",
- .data = &sysctl_vsyscall32,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec
- },
- {}
-};
-
-static ctl_table abi_root_table2[] = {
- {
- .ctl_name = CTL_ABI,
- .procname = "abi",
- .mode = 0555,
- .child = abi_table2
- },
- {}
-};
-
-static __init int ia32_binfmt_init(void)
-{
- register_sysctl_table(abi_root_table2);
- return 0;
-}
-__initcall(ia32_binfmt_init);
-#endif
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 6ea19c25f90..1c0503bdfb1 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -29,9 +29,8 @@
#include <asm/ia32_unistd.h>
#include <asm/user32.h>
#include <asm/sigcontext32.h>
-#include <asm/fpu32.h>
#include <asm/proto.h>
-#include <asm/vsyscall32.h>
+#include <asm/vdso.h>
#define DEBUG_SIG 0
@@ -43,7 +42,8 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
{
int err;
- if (!access_ok (VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
+
+ if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
return -EFAULT;
/* If you change siginfo_t structure, please make sure that
@@ -53,16 +53,19 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
3 ints plus the relevant union member. */
err = __put_user(from->si_signo, &to->si_signo);
err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user((short)from->si_code, &to->si_code);
+ err |= __put_user((short)from->si_code, &to->si_code);
if (from->si_code < 0) {
err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(ptr_to_compat(from->si_ptr), &to->si_ptr);
+ err |= __put_user(from->si_uid, &to->si_uid);
+ err |= __put_user(ptr_to_compat(from->si_ptr), &to->si_ptr);
} else {
- /* First 32bits of unions are always present:
- * si_pid === si_band === si_tid === si_addr(LS half) */
- err |= __put_user(from->_sifields._pad[0], &to->_sifields._pad[0]);
+ /*
+ * First 32bits of unions are always present:
+ * si_pid === si_band === si_tid === si_addr(LS half)
+ */
+ err |= __put_user(from->_sifields._pad[0],
+ &to->_sifields._pad[0]);
switch (from->si_code >> 16) {
case __SI_FAULT >> 16:
break;
@@ -76,14 +79,15 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
err |= __put_user(from->si_uid, &to->si_uid);
break;
case __SI_POLL >> 16:
- err |= __put_user(from->si_fd, &to->si_fd);
+ err |= __put_user(from->si_fd, &to->si_fd);
break;
case __SI_TIMER >> 16:
- err |= __put_user(from->si_overrun, &to->si_overrun);
+ err |= __put_user(from->si_overrun, &to->si_overrun);
err |= __put_user(ptr_to_compat(from->si_ptr),
- &to->si_ptr);
+ &to->si_ptr);
break;
- case __SI_RT >> 16: /* This is not generated by the kernel as of now. */
+ /* This is not generated by the kernel as of now. */
+ case __SI_RT >> 16:
case __SI_MESGQ >> 16:
err |= __put_user(from->si_uid, &to->si_uid);
err |= __put_user(from->si_int, &to->si_int);
@@ -97,7 +101,8 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
{
int err;
u32 ptr32;
- if (!access_ok (VERIFY_READ, from, sizeof(compat_siginfo_t)))
+
+ if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
return -EFAULT;
err = __get_user(to->si_signo, &from->si_signo);
@@ -112,8 +117,7 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
return err;
}
-asmlinkage long
-sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
+asmlinkage long sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
{
mask &= _BLOCKABLE;
spin_lock_irq(&current->sighand->siglock);
@@ -128,36 +132,37 @@ sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
return -ERESTARTNOHAND;
}
-asmlinkage long
-sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
- stack_ia32_t __user *uoss_ptr,
- struct pt_regs *regs)
+asmlinkage long sys32_sigaltstack(const stack_ia32_t __user *uss_ptr,
+ stack_ia32_t __user *uoss_ptr,
+ struct pt_regs *regs)
{
- stack_t uss,uoss;
+ stack_t uss, uoss;
int ret;
- mm_segment_t seg;
- if (uss_ptr) {
+ mm_segment_t seg;
+
+ if (uss_ptr) {
u32 ptr;
- memset(&uss,0,sizeof(stack_t));
- if (!access_ok(VERIFY_READ,uss_ptr,sizeof(stack_ia32_t)) ||
+
+ memset(&uss, 0, sizeof(stack_t));
+ if (!access_ok(VERIFY_READ, uss_ptr, sizeof(stack_ia32_t)) ||
__get_user(ptr, &uss_ptr->ss_sp) ||
__get_user(uss.ss_flags, &uss_ptr->ss_flags) ||
__get_user(uss.ss_size, &uss_ptr->ss_size))
return -EFAULT;
uss.ss_sp = compat_ptr(ptr);
}
- seg = get_fs();
- set_fs(KERNEL_DS);
- ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, regs->rsp);
- set_fs(seg);
+ seg = get_fs();
+ set_fs(KERNEL_DS);
+ ret = do_sigaltstack(uss_ptr ? &uss : NULL, &uoss, regs->sp);
+ set_fs(seg);
if (ret >= 0 && uoss_ptr) {
- if (!access_ok(VERIFY_WRITE,uoss_ptr,sizeof(stack_ia32_t)) ||
+ if (!access_ok(VERIFY_WRITE, uoss_ptr, sizeof(stack_ia32_t)) ||
__put_user(ptr_to_compat(uoss.ss_sp), &uoss_ptr->ss_sp) ||
__put_user(uoss.ss_flags, &uoss_ptr->ss_flags) ||
__put_user(uoss.ss_size, &uoss_ptr->ss_size))
ret = -EFAULT;
- }
- return ret;
+ }
+ return ret;
}
/*
@@ -186,87 +191,85 @@ struct rt_sigframe
char retcode[8];
};
-static int
-ia32_restore_sigcontext(struct pt_regs *regs, struct sigcontext_ia32 __user *sc, unsigned int *peax)
+#define COPY(x) { \
+ unsigned int reg; \
+ err |= __get_user(reg, &sc->x); \
+ regs->x = reg; \
+}
+
+#define RELOAD_SEG(seg,mask) \
+ { unsigned int cur; \
+ unsigned short pre; \
+ err |= __get_user(pre, &sc->seg); \
+ asm volatile("movl %%" #seg ",%0" : "=r" (cur)); \
+ pre |= mask; \
+ if (pre != cur) loadsegment(seg, pre); }
+
+static int ia32_restore_sigcontext(struct pt_regs *regs,
+ struct sigcontext_ia32 __user *sc,
+ unsigned int *peax)
{
- unsigned int err = 0;
-
+ unsigned int tmpflags, gs, oldgs, err = 0;
+ struct _fpstate_ia32 __user *buf;
+ u32 tmp;
+
/* Always make any pending restarted system calls return -EINTR */
current_thread_info()->restart_block.fn = do_no_restart_syscall;
#if DEBUG_SIG
- printk("SIG restore_sigcontext: sc=%p err(%x) eip(%x) cs(%x) flg(%x)\n",
- sc, sc->err, sc->eip, sc->cs, sc->eflags);
+ printk(KERN_DEBUG "SIG restore_sigcontext: "
+ "sc=%p err(%x) eip(%x) cs(%x) flg(%x)\n",
+ sc, sc->err, sc->ip, sc->cs, sc->flags);
#endif
-#define COPY(x) { \
- unsigned int reg; \
- err |= __get_user(reg, &sc->e ##x); \
- regs->r ## x = reg; \
-}
-#define RELOAD_SEG(seg,mask) \
- { unsigned int cur; \
- unsigned short pre; \
- err |= __get_user(pre, &sc->seg); \
- asm volatile("movl %%" #seg ",%0" : "=r" (cur)); \
- pre |= mask; \
- if (pre != cur) loadsegment(seg,pre); }
-
- /* Reload fs and gs if they have changed in the signal handler.
- This does not handle long fs/gs base changes in the handler, but
- does not clobber them at least in the normal case. */
-
- {
- unsigned gs, oldgs;
- err |= __get_user(gs, &sc->gs);
- gs |= 3;
- asm("movl %%gs,%0" : "=r" (oldgs));
- if (gs != oldgs)
- load_gs_index(gs);
- }
- RELOAD_SEG(fs,3);
- RELOAD_SEG(ds,3);
- RELOAD_SEG(es,3);
+ /*
+ * Reload fs and gs if they have changed in the signal
+ * handler. This does not handle long fs/gs base changes in
+ * the handler, but does not clobber them at least in the
+ * normal case.
+ */
+ err |= __get_user(gs, &sc->gs);
+ gs |= 3;
+ asm("movl %%gs,%0" : "=r" (oldgs));
+ if (gs != oldgs)
+ load_gs_index(gs);
+
+ RELOAD_SEG(fs, 3);
+ RELOAD_SEG(ds, 3);
+ RELOAD_SEG(es, 3);
COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx);
COPY(dx); COPY(cx); COPY(ip);
- /* Don't touch extended registers */
-
- err |= __get_user(regs->cs, &sc->cs);
- regs->cs |= 3;
- err |= __get_user(regs->ss, &sc->ss);
- regs->ss |= 3;
-
- {
- unsigned int tmpflags;
- err |= __get_user(tmpflags, &sc->eflags);
- regs->eflags = (regs->eflags & ~0x40DD5) | (tmpflags & 0x40DD5);
- regs->orig_rax = -1; /* disable syscall checks */
- }
+ /* Don't touch extended registers */
+
+ err |= __get_user(regs->cs, &sc->cs);
+ regs->cs |= 3;
+ err |= __get_user(regs->ss, &sc->ss);
+ regs->ss |= 3;
+
+ err |= __get_user(tmpflags, &sc->flags);
+ regs->flags = (regs->flags & ~0x40DD5) | (tmpflags & 0x40DD5);
+ /* disable syscall checks */
+ regs->orig_ax = -1;
+
+ err |= __get_user(tmp, &sc->fpstate);
+ buf = compat_ptr(tmp);
+ if (buf) {
+ if (!access_ok(VERIFY_READ, buf, sizeof(*buf)))
+ goto badframe;
+ err |= restore_i387_ia32(buf);
+ } else {
+ struct task_struct *me = current;
- {
- u32 tmp;
- struct _fpstate_ia32 __user * buf;
- err |= __get_user(tmp, &sc->fpstate);
- buf = compat_ptr(tmp);
- if (buf) {
- if (!access_ok(VERIFY_READ, buf, sizeof(*buf)))
- goto badframe;
- err |= restore_i387_ia32(current, buf, 0);
- } else {
- struct task_struct *me = current;
- if (used_math()) {
- clear_fpu(me);
- clear_used_math();
- }
+ if (used_math()) {
+ clear_fpu(me);
+ clear_used_math();
}
}
- {
- u32 tmp;
- err |= __get_user(tmp, &sc->eax);
- *peax = tmp;
- }
+ err |= __get_user(tmp, &sc->ax);
+ *peax = tmp;
+
return err;
badframe:
@@ -275,15 +278,16 @@ badframe:
asmlinkage long sys32_sigreturn(struct pt_regs *regs)
{
- struct sigframe __user *frame = (struct sigframe __user *)(regs->rsp-8);
+ struct sigframe __user *frame = (struct sigframe __user *)(regs->sp-8);
sigset_t set;
- unsigned int eax;
+ unsigned int ax;
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
if (__get_user(set.sig[0], &frame->sc.oldmask)
|| (_COMPAT_NSIG_WORDS > 1
- && __copy_from_user((((char *) &set.sig) + 4), &frame->extramask,
+ && __copy_from_user((((char *) &set.sig) + 4),
+ &frame->extramask,
sizeof(frame->extramask))))
goto badframe;
@@ -292,24 +296,24 @@ asmlinkage long sys32_sigreturn(struct pt_regs *regs)
current->blocked = set;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
-
- if (ia32_restore_sigcontext(regs, &frame->sc, &eax))
+
+ if (ia32_restore_sigcontext(regs, &frame->sc, &ax))
goto badframe;
- return eax;
+ return ax;
badframe:
signal_fault(regs, frame, "32bit sigreturn");
return 0;
-}
+}
asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
sigset_t set;
- unsigned int eax;
+ unsigned int ax;
struct pt_regs tregs;
- frame = (struct rt_sigframe __user *)(regs->rsp - 4);
+ frame = (struct rt_sigframe __user *)(regs->sp - 4);
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
@@ -321,28 +325,28 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
current->blocked = set;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
-
- if (ia32_restore_sigcontext(regs, &frame->uc.uc_mcontext, &eax))
+
+ if (ia32_restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax))
goto badframe;
tregs = *regs;
if (sys32_sigaltstack(&frame->uc.uc_stack, NULL, &tregs) == -EFAULT)
goto badframe;
- return eax;
+ return ax;
badframe:
- signal_fault(regs,frame,"32bit rt sigreturn");
+ signal_fault(regs, frame, "32bit rt sigreturn");
return 0;
-}
+}
/*
* Set up a signal frame.
*/
-static int
-ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __user *fpstate,
- struct pt_regs *regs, unsigned int mask)
+static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
+ struct _fpstate_ia32 __user *fpstate,
+ struct pt_regs *regs, unsigned int mask)
{
int tmp, err = 0;
@@ -356,26 +360,26 @@ ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __
__asm__("movl %%es,%0" : "=r"(tmp): "0"(tmp));
err |= __put_user(tmp, (unsigned int __user *)&sc->es);
- err |= __put_user((u32)regs->rdi, &sc->edi);
- err |= __put_user((u32)regs->rsi, &sc->esi);
- err |= __put_user((u32)regs->rbp, &sc->ebp);
- err |= __put_user((u32)regs->rsp, &sc->esp);
- err |= __put_user((u32)regs->rbx, &sc->ebx);
- err |= __put_user((u32)regs->rdx, &sc->edx);
- err |= __put_user((u32)regs->rcx, &sc->ecx);
- err |= __put_user((u32)regs->rax, &sc->eax);
+ err |= __put_user((u32)regs->di, &sc->di);
+ err |= __put_user((u32)regs->si, &sc->si);
+ err |= __put_user((u32)regs->bp, &sc->bp);
+ err |= __put_user((u32)regs->sp, &sc->sp);
+ err |= __put_user((u32)regs->bx, &sc->bx);
+ err |= __put_user((u32)regs->dx, &sc->dx);
+ err |= __put_user((u32)regs->cx, &sc->cx);
+ err |= __put_user((u32)regs->ax, &sc->ax);
err |= __put_user((u32)regs->cs, &sc->cs);
err |= __put_user((u32)regs->ss, &sc->ss);
err |= __put_user(current->thread.trap_no, &sc->trapno);
err |= __put_user(current->thread.error_code, &sc->err);
- err |= __put_user((u32)regs->rip, &sc->eip);
- err |= __put_user((u32)regs->eflags, &sc->eflags);
- err |= __put_user((u32)regs->rsp, &sc->esp_at_signal);
+ err |= __put_user((u32)regs->ip, &sc->ip);
+ err |= __put_user((u32)regs->flags, &sc->flags);
+ err |= __put_user((u32)regs->sp, &sc->sp_at_signal);
- tmp = save_i387_ia32(current, fpstate, regs, 0);
+ tmp = save_i387_ia32(fpstate);
if (tmp < 0)
err = -EFAULT;
- else {
+ else {
clear_used_math();
stts();
err |= __put_user(ptr_to_compat(tmp ? fpstate : NULL),
@@ -392,40 +396,53 @@ ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __
/*
* Determine which stack to use..
*/
-static void __user *
-get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
+static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+ size_t frame_size)
{
- unsigned long rsp;
+ unsigned long sp;
/* Default to using normal stack */
- rsp = regs->rsp;
+ sp = regs->sp;
/* This is the X/Open sanctioned signal stack switching. */
if (ka->sa.sa_flags & SA_ONSTACK) {
- if (sas_ss_flags(rsp) == 0)
- rsp = current->sas_ss_sp + current->sas_ss_size;
+ if (sas_ss_flags(sp) == 0)
+ sp = current->sas_ss_sp + current->sas_ss_size;
}
/* This is the legacy signal stack switching. */
else if ((regs->ss & 0xffff) != __USER_DS &&
!(ka->sa.sa_flags & SA_RESTORER) &&
- ka->sa.sa_restorer) {
- rsp = (unsigned long) ka->sa.sa_restorer;
- }
+ ka->sa.sa_restorer)
+ sp = (unsigned long) ka->sa.sa_restorer;
- rsp -= frame_size;
+ sp -= frame_size;
/* Align the stack pointer according to the i386 ABI,
* i.e. so that on function entry ((sp + 4) & 15) == 0. */
- rsp = ((rsp + 4) & -16ul) - 4;
- return (void __user *) rsp;
+ sp = ((sp + 4) & -16ul) - 4;
+ return (void __user *) sp;
}
int ia32_setup_frame(int sig, struct k_sigaction *ka,
- compat_sigset_t *set, struct pt_regs * regs)
+ compat_sigset_t *set, struct pt_regs *regs)
{
struct sigframe __user *frame;
+ void __user *restorer;
int err = 0;
+ /* copy_to_user optimizes that into a single 8 byte store */
+ static const struct {
+ u16 poplmovl;
+ u32 val;
+ u16 int80;
+ u16 pad;
+ } __attribute__((packed)) code = {
+ 0xb858, /* popl %eax ; movl $...,%eax */
+ __NR_ia32_sigreturn,
+ 0x80cd, /* int $0x80 */
+ 0,
+ };
+
frame = get_sigframe(ka, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@@ -443,64 +460,53 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
if (_COMPAT_NSIG_WORDS > 1) {
err |= __copy_to_user(frame->extramask, &set->sig[1],
sizeof(frame->extramask));
+ if (err)
+ goto give_sigsegv;
}
- if (err)
- goto give_sigsegv;
- /* Return stub is in 32bit vsyscall page */
- {
- void __user *restorer;
+ if (ka->sa.sa_flags & SA_RESTORER) {
+ restorer = ka->sa.sa_restorer;
+ } else {
+ /* Return stub is in 32bit vsyscall page */
if (current->binfmt->hasvdso)
- restorer = VSYSCALL32_SIGRETURN;
+ restorer = VDSO32_SYMBOL(current->mm->context.vdso,
+ sigreturn);
else
- restorer = (void *)&frame->retcode;
- if (ka->sa.sa_flags & SA_RESTORER)
- restorer = ka->sa.sa_restorer;
- err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
- }
- /* These are actually not used anymore, but left because some
- gdb versions depend on them as a marker. */
- {
- /* copy_to_user optimizes that into a single 8 byte store */
- static const struct {
- u16 poplmovl;
- u32 val;
- u16 int80;
- u16 pad;
- } __attribute__((packed)) code = {
- 0xb858, /* popl %eax ; movl $...,%eax */
- __NR_ia32_sigreturn,
- 0x80cd, /* int $0x80 */
- 0,
- };
- err |= __copy_to_user(frame->retcode, &code, 8);
+ restorer = &frame->retcode;
}
+ err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
+
+ /*
+ * These are actually not used anymore, but left because some
+ * gdb versions depend on them as a marker.
+ */
+ err |= __copy_to_user(frame->retcode, &code, 8);
if (err)
goto give_sigsegv;
/* Set up registers for signal handler */
- regs->rsp = (unsigned long) frame;
- regs->rip = (unsigned long) ka->sa.sa_handler;
+ regs->sp = (unsigned long) frame;
+ regs->ip = (unsigned long) ka->sa.sa_handler;
/* Make -mregparm=3 work */
- regs->rax = sig;
- regs->rdx = 0;
- regs->rcx = 0;
+ regs->ax = sig;
+ regs->dx = 0;
+ regs->cx = 0;
- asm volatile("movl %0,%%ds" :: "r" (__USER32_DS));
- asm volatile("movl %0,%%es" :: "r" (__USER32_DS));
+ asm volatile("movl %0,%%ds" :: "r" (__USER32_DS));
+ asm volatile("movl %0,%%es" :: "r" (__USER32_DS));
- regs->cs = __USER32_CS;
- regs->ss = __USER32_DS;
+ regs->cs = __USER32_CS;
+ regs->ss = __USER32_DS;
set_fs(USER_DS);
- regs->eflags &= ~TF_MASK;
+ regs->flags &= ~X86_EFLAGS_TF;
if (test_thread_flag(TIF_SINGLESTEP))
ptrace_notify(SIGTRAP);
#if DEBUG_SIG
- printk("SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
- current->comm, current->pid, frame, regs->rip, frame->pretcode);
+ printk(KERN_DEBUG "SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
+ current->comm, current->pid, frame, regs->ip, frame->pretcode);
#endif
return 0;
@@ -511,25 +517,34 @@ give_sigsegv:
}
int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- compat_sigset_t *set, struct pt_regs * regs)
+ compat_sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
+ struct exec_domain *ed = current_thread_info()->exec_domain;
+ void __user *restorer;
int err = 0;
+ /* __copy_to_user optimizes that into a single 8 byte store */
+ static const struct {
+ u8 movl;
+ u32 val;
+ u16 int80;
+ u16 pad;
+ u8 pad2;
+ } __attribute__((packed)) code = {
+ 0xb8,
+ __NR_ia32_rt_sigreturn,
+ 0x80cd,
+ 0,
+ };
+
frame = get_sigframe(ka, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
goto give_sigsegv;
- {
- struct exec_domain *ed = current_thread_info()->exec_domain;
- err |= __put_user((ed
- && ed->signal_invmap
- && sig < 32
- ? ed->signal_invmap[sig]
- : sig),
- &frame->sig);
- }
+ err |= __put_user((ed && ed->signal_invmap && sig < 32
+ ? ed->signal_invmap[sig] : sig), &frame->sig);
err |= __put_user(ptr_to_compat(&frame->info), &frame->pinfo);
err |= __put_user(ptr_to_compat(&frame->uc), &frame->puc);
err |= copy_siginfo_to_user32(&frame->info, info);
@@ -540,73 +555,58 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __put_user(0, &frame->uc.uc_flags);
err |= __put_user(0, &frame->uc.uc_link);
err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->rsp),
+ err |= __put_user(sas_ss_flags(regs->sp),
&frame->uc.uc_stack.ss_flags);
err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
err |= ia32_setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpstate,
- regs, set->sig[0]);
+ regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err)
goto give_sigsegv;
-
- {
- void __user *restorer = VSYSCALL32_RTSIGRETURN;
- if (ka->sa.sa_flags & SA_RESTORER)
- restorer = ka->sa.sa_restorer;
- err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
- }
-
- /* This is movl $,%eax ; int $0x80 */
- /* Not actually used anymore, but left because some gdb versions
- need it. */
- {
- /* __copy_to_user optimizes that into a single 8 byte store */
- static const struct {
- u8 movl;
- u32 val;
- u16 int80;
- u16 pad;
- u8 pad2;
- } __attribute__((packed)) code = {
- 0xb8,
- __NR_ia32_rt_sigreturn,
- 0x80cd,
- 0,
- };
- err |= __copy_to_user(frame->retcode, &code, 8);
- }
+ if (ka->sa.sa_flags & SA_RESTORER)
+ restorer = ka->sa.sa_restorer;
+ else
+ restorer = VDSO32_SYMBOL(current->mm->context.vdso,
+ rt_sigreturn);
+ err |= __put_user(ptr_to_compat(restorer), &frame->pretcode);
+
+ /*
+ * Not actually used anymore, but left because some gdb
+ * versions need it.
+ */
+ err |= __copy_to_user(frame->retcode, &code, 8);
if (err)
goto give_sigsegv;
/* Set up registers for signal handler */
- regs->rsp = (unsigned long) frame;
- regs->rip = (unsigned long) ka->sa.sa_handler;
+ regs->sp = (unsigned long) frame;
+ regs->ip = (unsigned long) ka->sa.sa_handler;
/* Make -mregparm=3 work */
- regs->rax = sig;
- regs->rdx = (unsigned long) &frame->info;
- regs->rcx = (unsigned long) &frame->uc;
+ regs->ax = sig;
+ regs->dx = (unsigned long) &frame->info;
+ regs->cx = (unsigned long) &frame->uc;
/* Make -mregparm=3 work */
- regs->rax = sig;
- regs->rdx = (unsigned long) &frame->info;
- regs->rcx = (unsigned long) &frame->uc;
+ regs->ax = sig;
+ regs->dx = (unsigned long) &frame->info;
+ regs->cx = (unsigned long) &frame->uc;
+
+ asm volatile("movl %0,%%ds" :: "r" (__USER32_DS));
+ asm volatile("movl %0,%%es" :: "r" (__USER32_DS));
- asm volatile("movl %0,%%ds" :: "r" (__USER32_DS));
- asm volatile("movl %0,%%es" :: "r" (__USER32_DS));
-
- regs->cs = __USER32_CS;
- regs->ss = __USER32_DS;
+ regs->cs = __USER32_CS;
+ regs->ss = __USER32_DS;
set_fs(USER_DS);
- regs->eflags &= ~TF_MASK;
+ regs->flags &= ~X86_EFLAGS_TF;
if (test_thread_flag(TIF_SINGLESTEP))
ptrace_notify(SIGTRAP);
#if DEBUG_SIG
- printk("SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
- current->comm, current->pid, frame, regs->rip, frame->pretcode);
+ printk(KERN_DEBUG "SIG deliver (%s:%d): sp=%p pc=%lx ra=%u\n",
+ current->comm, current->pid, frame, regs->ip, frame->pretcode);
#endif
return 0;
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index df588f0f76e..0db0a6291bb 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -12,7 +12,6 @@
#include <asm/ia32_unistd.h>
#include <asm/thread_info.h>
#include <asm/segment.h>
-#include <asm/vsyscall32.h>
#include <asm/irqflags.h>
#include <linux/linkage.h>
@@ -104,7 +103,7 @@ ENTRY(ia32_sysenter_target)
pushfq
CFI_ADJUST_CFA_OFFSET 8
/*CFI_REL_OFFSET rflags,0*/
- movl $VSYSCALL32_SYSEXIT, %r10d
+ movl 8*3-THREAD_SIZE+threadinfo_sysenter_return(%rsp), %r10d
CFI_REGISTER rip,r10
pushq $__USER32_CS
CFI_ADJUST_CFA_OFFSET 8
@@ -142,6 +141,8 @@ sysenter_do_call:
andl $~TS_COMPAT,threadinfo_status(%r10)
/* clear IF, that popfq doesn't enable interrupts early */
andl $~0x200,EFLAGS-R11(%rsp)
+ movl RIP-R11(%rsp),%edx /* User %eip */
+ CFI_REGISTER rip,rdx
RESTORE_ARGS 1,24,1,1,1,1
popfq
CFI_ADJUST_CFA_OFFSET -8
@@ -149,8 +150,6 @@ sysenter_do_call:
popq %rcx /* User %esp */
CFI_ADJUST_CFA_OFFSET -8
CFI_REGISTER rsp,rcx
- movl $VSYSCALL32_SYSEXIT,%edx /* User %eip */
- CFI_REGISTER rip,rdx
TRACE_IRQS_ON
swapgs
sti /* sti only takes effect after the next instruction */
@@ -644,8 +643,8 @@ ia32_sys_call_table:
.quad compat_sys_futex /* 240 */
.quad compat_sys_sched_setaffinity
.quad compat_sys_sched_getaffinity
- .quad sys32_set_thread_area
- .quad sys32_get_thread_area
+ .quad sys_set_thread_area
+ .quad sys_get_thread_area
.quad compat_sys_io_setup /* 245 */
.quad sys_io_destroy
.quad compat_sys_io_getevents
diff --git a/arch/x86/ia32/ipc32.c b/arch/x86/ia32/ipc32.c
index 7b3342e5aab..d21991ce606 100644
--- a/arch/x86/ia32/ipc32.c
+++ b/arch/x86/ia32/ipc32.c
@@ -9,9 +9,8 @@
#include <linux/ipc.h>
#include <linux/compat.h>
-asmlinkage long
-sys32_ipc(u32 call, int first, int second, int third,
- compat_uptr_t ptr, u32 fifth)
+asmlinkage long sys32_ipc(u32 call, int first, int second, int third,
+ compat_uptr_t ptr, u32 fifth)
{
int version;
@@ -19,36 +18,35 @@ sys32_ipc(u32 call, int first, int second, int third,
call &= 0xffff;
switch (call) {
- case SEMOP:
+ case SEMOP:
/* struct sembuf is the same on 32 and 64bit :)) */
return sys_semtimedop(first, compat_ptr(ptr), second, NULL);
- case SEMTIMEDOP:
+ case SEMTIMEDOP:
return compat_sys_semtimedop(first, compat_ptr(ptr), second,
compat_ptr(fifth));
- case SEMGET:
+ case SEMGET:
return sys_semget(first, second, third);
- case SEMCTL:
+ case SEMCTL:
return compat_sys_semctl(first, second, third, compat_ptr(ptr));
- case MSGSND:
+ case MSGSND:
return compat_sys_msgsnd(first, second, third, compat_ptr(ptr));
- case MSGRCV:
+ case MSGRCV:
return compat_sys_msgrcv(first, second, fifth, third,
version, compat_ptr(ptr));
- case MSGGET:
+ case MSGGET:
return sys_msgget((key_t) first, second);
- case MSGCTL:
+ case MSGCTL:
return compat_sys_msgctl(first, second, compat_ptr(ptr));
- case SHMAT:
+ case SHMAT:
return compat_sys_shmat(first, second, third, version,
compat_ptr(ptr));
- break;
- case SHMDT:
+ case SHMDT:
return sys_shmdt(compat_ptr(ptr));
- case SHMGET:
+ case SHMGET:
return sys_shmget(first, (unsigned)second, third);
- case SHMCTL:
+ case SHMCTL:
return compat_sys_shmctl(first, second, compat_ptr(ptr));
}
return -ENOSYS;
diff --git a/arch/x86/ia32/mmap32.c b/arch/x86/ia32/mmap32.c
deleted file mode 100644
index e4b84b4a417..00000000000
--- a/arch/x86/ia32/mmap32.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * linux/arch/x86_64/ia32/mm/mmap.c
- *
- * flexible mmap layout support
- *
- * Based on the i386 version which was
- *
- * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- *
- * Started by Ingo Molnar <mingo@elte.hu>
- */
-
-#include <linux/personality.h>
-#include <linux/mm.h>
-#include <linux/random.h>
-#include <linux/sched.h>
-
-/*
- * Top of mmap area (just below the process stack).
- *
- * Leave an at least ~128 MB hole.
- */
-#define MIN_GAP (128*1024*1024)
-#define MAX_GAP (TASK_SIZE/6*5)
-
-static inline unsigned long mmap_base(struct mm_struct *mm)
-{
- unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
- unsigned long random_factor = 0;
-
- if (current->flags & PF_RANDOMIZE)
- random_factor = get_random_int() % (1024*1024);
-
- if (gap < MIN_GAP)
- gap = MIN_GAP;
- else if (gap > MAX_GAP)
- gap = MAX_GAP;
-
- return PAGE_ALIGN(TASK_SIZE - gap - random_factor);
-}
-
-/*
- * This function, called very early during the creation of a new
- * process VM image, sets up which VM layout function to use:
- */
-void ia32_pick_mmap_layout(struct mm_struct *mm)
-{
- /*
- * Fall back to the standard layout if the personality
- * bit is set, or if the expected stack growth is unlimited:
- */
- if (sysctl_legacy_va_layout ||
- (current->personality & ADDR_COMPAT_LAYOUT) ||
- current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY) {
- mm->mmap_base = TASK_UNMAPPED_BASE;
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
- } else {
- mm->mmap_base = mmap_base(mm);
- mm->get_unmapped_area = arch_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
- }
-}
diff --git a/arch/x86/ia32/ptrace32.c b/arch/x86/ia32/ptrace32.c
deleted file mode 100644
index 4a233ad6269..00000000000
--- a/arch/x86/ia32/ptrace32.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/*
- * 32bit ptrace for x86-64.
- *
- * Copyright 2001,2002 Andi Kleen, SuSE Labs.
- * Some parts copied from arch/i386/kernel/ptrace.c. See that file for earlier
- * copyright.
- *
- * This allows to access 64bit processes too; but there is no way to see the extended
- * register contents.
- */
-
-#include <linux/kernel.h>
-#include <linux/stddef.h>
-#include <linux/sched.h>
-#include <linux/syscalls.h>
-#include <linux/unistd.h>
-#include <linux/mm.h>
-#include <linux/err.h>
-#include <linux/ptrace.h>
-#include <asm/ptrace.h>
-#include <asm/compat.h>
-#include <asm/uaccess.h>
-#include <asm/user32.h>
-#include <asm/user.h>
-#include <asm/errno.h>
-#include <asm/debugreg.h>
-#include <asm/i387.h>
-#include <asm/fpu32.h>
-#include <asm/ia32.h>
-
-/*
- * Determines which flags the user has access to [1 = access, 0 = no access].
- * Prohibits changing ID(21), VIP(20), VIF(19), VM(17), IOPL(12-13), IF(9).
- * Also masks reserved bits (31-22, 15, 5, 3, 1).
- */
-#define FLAG_MASK 0x54dd5UL
-
-#define R32(l,q) \
- case offsetof(struct user32, regs.l): stack[offsetof(struct pt_regs, q)/8] = val; break
-
-static int putreg32(struct task_struct *child, unsigned regno, u32 val)
-{
- int i;
- __u64 *stack = (__u64 *)task_pt_regs(child);
-
- switch (regno) {
- case offsetof(struct user32, regs.fs):
- if (val && (val & 3) != 3) return -EIO;
- child->thread.fsindex = val & 0xffff;
- break;
- case offsetof(struct user32, regs.gs):
- if (val && (val & 3) != 3) return -EIO;
- child->thread.gsindex = val & 0xffff;
- break;
- case offsetof(struct user32, regs.ds):
- if (val && (val & 3) != 3) return -EIO;
- child->thread.ds = val & 0xffff;
- break;
- case offsetof(struct user32, regs.es):
- child->thread.es = val & 0xffff;
- break;
- case offsetof(struct user32, regs.ss):
- if ((val & 3) != 3) return -EIO;
- stack[offsetof(struct pt_regs, ss)/8] = val & 0xffff;
- break;
- case offsetof(struct user32, regs.cs):
- if ((val & 3) != 3) return -EIO;
- stack[offsetof(struct pt_regs, cs)/8] = val & 0xffff;
- break;
-
- R32(ebx, rbx);
- R32(ecx, rcx);
- R32(edx, rdx);
- R32(edi, rdi);
- R32(esi, rsi);
- R32(ebp, rbp);
- R32(eax, rax);
- R32(orig_eax, orig_rax);
- R32(eip, rip);
- R32(esp, rsp);
-
- case offsetof(struct user32, regs.eflags): {
- __u64 *flags = &stack[offsetof(struct pt_regs, eflags)/8];
- val &= FLAG_MASK;
- *flags = val | (*flags & ~FLAG_MASK);
- break;
- }
-
- case offsetof(struct user32, u_debugreg[4]):
- case offsetof(struct user32, u_debugreg[5]):
- return -EIO;
-
- case offsetof(struct user32, u_debugreg[0]):
- child->thread.debugreg0 = val;
- break;
-
- case offsetof(struct user32, u_debugreg[1]):
- child->thread.debugreg1 = val;
- break;
-
- case offsetof(struct user32, u_debugreg[2]):
- child->thread.debugreg2 = val;
- break;
-
- case offsetof(struct user32, u_debugreg[3]):
- child->thread.debugreg3 = val;
- break;
-
- case offsetof(struct user32, u_debugreg[6]):
- child->thread.debugreg6 = val;
- break;
-
- case offsetof(struct user32, u_debugreg[7]):
- val &= ~DR_CONTROL_RESERVED;
- /* See arch/i386/kernel/ptrace.c for an explanation of
- * this awkward check.*/
- for(i=0; i<4; i++)
- if ((0x5454 >> ((val >> (16 + 4*i)) & 0xf)) & 1)
- return -EIO;
- child->thread.debugreg7 = val;
- if (val)
- set_tsk_thread_flag(child, TIF_DEBUG);
- else
- clear_tsk_thread_flag(child, TIF_DEBUG);
- break;
-
- default:
- if (regno > sizeof(struct user32) || (regno & 3))
- return -EIO;
-
- /* Other dummy fields in the virtual user structure are ignored */
- break;
- }
- return 0;
-}
-
-#undef R32
-
-#define R32(l,q) \
- case offsetof(struct user32, regs.l): *val = stack[offsetof(struct pt_regs, q)/8]; break
-
-static int getreg32(struct task_struct *child, unsigned regno, u32 *val)
-{
- __u64 *stack = (__u64 *)task_pt_regs(child);
-
- switch (regno) {
- case offsetof(struct user32, regs.fs):
- *val = child->thread.fsindex;
- break;
- case offsetof(struct user32, regs.gs):
- *val = child->thread.gsindex;
- break;
- case offsetof(struct user32, regs.ds):
- *val = child->thread.ds;
- break;
- case offsetof(struct user32, regs.es):
- *val = child->thread.es;
- break;
-
- R32(cs, cs);
- R32(ss, ss);
- R32(ebx, rbx);
- R32(ecx, rcx);
- R32(edx, rdx);
- R32(edi, rdi);
- R32(esi, rsi);
- R32(ebp, rbp);
- R32(eax, rax);
- R32(orig_eax, orig_rax);
- R32(eip, rip);
- R32(eflags, eflags);
- R32(esp, rsp);
-
- case offsetof(struct user32, u_debugreg[0]):
- *val = child->thread.debugreg0;
- break;
- case offsetof(struct user32, u_debugreg[1]):
- *val = child->thread.debugreg1;
- break;
- case offsetof(struct user32, u_debugreg[2]):
- *val = child->thread.debugreg2;
- break;
- case offsetof(struct user32, u_debugreg[3]):
- *val = child->thread.debugreg3;
- break;
- case offsetof(struct user32, u_debugreg[6]):
- *val = child->thread.debugreg6;
- break;
- case offsetof(struct user32, u_debugreg[7]):
- *val = child->thread.debugreg7;
- break;
-
- default:
- if (regno > sizeof(struct user32) || (regno & 3))
- return -EIO;
-
- /* Other dummy fields in the virtual user structure are ignored */
- *val = 0;
- break;
- }
- return 0;
-}
-
-#undef R32
-
-static long ptrace32_siginfo(unsigned request, u32 pid, u32 addr, u32 data)
-{
- int ret;
- compat_siginfo_t __user *si32 = compat_ptr(data);
- siginfo_t ssi;
- siginfo_t __user *si = compat_alloc_user_space(sizeof(siginfo_t));
- if (request == PTRACE_SETSIGINFO) {
- memset(&ssi, 0, sizeof(siginfo_t));
- ret = copy_siginfo_from_user32(&ssi, si32);
- if (ret)
- return ret;
- if (copy_to_user(si, &ssi, sizeof(siginfo_t)))
- return -EFAULT;
- }
- ret = sys_ptrace(request, pid, addr, (unsigned long)si);
- if (ret)
- return ret;
- if (request == PTRACE_GETSIGINFO) {
- if (copy_from_user(&ssi, si, sizeof(siginfo_t)))
- return -EFAULT;
- ret = copy_siginfo_to_user32(si32, &ssi);
- }
- return ret;
-}
-
-asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
-{
- struct task_struct *child;
- struct pt_regs *childregs;
- void __user *datap = compat_ptr(data);
- int ret;
- __u32 val;
-
- switch (request) {
- case PTRACE_TRACEME:
- case PTRACE_ATTACH:
- case PTRACE_KILL:
- case PTRACE_CONT:
- case PTRACE_SINGLESTEP:
- case PTRACE_DETACH:
- case PTRACE_SYSCALL:
- case PTRACE_OLDSETOPTIONS:
- case PTRACE_SETOPTIONS:
- case PTRACE_SET_THREAD_AREA:
- case PTRACE_GET_THREAD_AREA:
- return sys_ptrace(request, pid, addr, data);
-
- default:
- return -EINVAL;
-
- case PTRACE_PEEKTEXT:
- case PTRACE_PEEKDATA:
- case PTRACE_POKEDATA:
- case PTRACE_POKETEXT:
- case PTRACE_POKEUSR:
- case PTRACE_PEEKUSR:
- case PTRACE_GETREGS:
- case PTRACE_SETREGS:
- case PTRACE_SETFPREGS:
- case PTRACE_GETFPREGS:
- case PTRACE_SETFPXREGS:
- case PTRACE_GETFPXREGS:
- case PTRACE_GETEVENTMSG:
- break;
-
- case PTRACE_SETSIGINFO:
- case PTRACE_GETSIGINFO:
- return ptrace32_siginfo(request, pid, addr, data);
- }
-
- child = ptrace_get_task_struct(pid);
- if (IS_ERR(child))
- return PTR_ERR(child);
-
- ret = ptrace_check_attach(child, request == PTRACE_KILL);
- if (ret < 0)
- goto out;
-
- childregs = task_pt_regs(child);
-
- switch (request) {
- case PTRACE_PEEKDATA:
- case PTRACE_PEEKTEXT:
- ret = 0;
- if (access_process_vm(child, addr, &val, sizeof(u32), 0)!=sizeof(u32))
- ret = -EIO;
- else
- ret = put_user(val, (unsigned int __user *)datap);
- break;
-
- case PTRACE_POKEDATA:
- case PTRACE_POKETEXT:
- ret = 0;
- if (access_process_vm(child, addr, &data, sizeof(u32), 1)!=sizeof(u32))
- ret = -EIO;
- break;
-
- case PTRACE_PEEKUSR:
- ret = getreg32(child, addr, &val);
- if (ret == 0)
- ret = put_user(val, (__u32 __user *)datap);
- break;
-
- case PTRACE_POKEUSR:
- ret = putreg32(child, addr, data);
- break;
-
- case PTRACE_GETREGS: { /* Get all gp regs from the child. */
- int i;
- if (!access_ok(VERIFY_WRITE, datap, 16*4)) {
- ret = -EIO;
- break;
- }
- ret = 0;
- for ( i = 0; i <= 16*4 ; i += sizeof(__u32) ) {
- getreg32(child, i, &val);
- ret |= __put_user(val,(u32 __user *)datap);
- datap += sizeof(u32);
- }
- break;
- }
-
- case PTRACE_SETREGS: { /* Set all gp regs in the child. */
- unsigned long tmp;
- int i;
- if (!access_ok(VERIFY_READ, datap, 16*4)) {
- ret = -EIO;
- break;
- }
- ret = 0;
- for ( i = 0; i <= 16*4; i += sizeof(u32) ) {
- ret |= __get_user(tmp, (u32 __user *)datap);
- putreg32(child, i, tmp);
- datap += sizeof(u32);
- }
- break;
- }
-
- case PTRACE_GETFPREGS:
- ret = -EIO;
- if (!access_ok(VERIFY_READ, compat_ptr(data),
- sizeof(struct user_i387_struct)))
- break;
- save_i387_ia32(child, datap, childregs, 1);
- ret = 0;
- break;
-
- case PTRACE_SETFPREGS:
- ret = -EIO;
- if (!access_ok(VERIFY_WRITE, datap,
- sizeof(struct user_i387_struct)))
- break;
- ret = 0;
- /* don't check EFAULT to be bug-to-bug compatible to i386 */
- restore_i387_ia32(child, datap, 1);
- break;
-
- case PTRACE_GETFPXREGS: {
- struct user32_fxsr_struct __user *u = datap;
- init_fpu(child);
- ret = -EIO;
- if (!access_ok(VERIFY_WRITE, u, sizeof(*u)))
- break;
- ret = -EFAULT;
- if (__copy_to_user(u, &child->thread.i387.fxsave, sizeof(*u)))
- break;
- ret = __put_user(childregs->cs, &u->fcs);
- ret |= __put_user(child->thread.ds, &u->fos);
- break;
- }
- case PTRACE_SETFPXREGS: {
- struct user32_fxsr_struct __user *u = datap;
- unlazy_fpu(child);
- ret = -EIO;
- if (!access_ok(VERIFY_READ, u, sizeof(*u)))
- break;
- /* no checking to be bug-to-bug compatible with i386. */
- /* but silence warning */
- if (__copy_from_user(&child->thread.i387.fxsave, u, sizeof(*u)))
- ;
- set_stopped_child_used_math(child);
- child->thread.i387.fxsave.mxcsr &= mxcsr_feature_mask;
- ret = 0;
- break;
- }
-
- case PTRACE_GETEVENTMSG:
- ret = put_user(child->ptrace_message,(unsigned int __user *)compat_ptr(data));
- break;
-
- default:
- BUG();
- }
-
- out:
- put_task_struct(child);
- return ret;
-}
-
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index bee96d61443..abf71d26fc2 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -1,29 +1,29 @@
/*
* sys_ia32.c: Conversion between 32bit and 64bit native syscalls. Based on
- * sys_sparc32
+ * sys_sparc32
*
* Copyright (C) 2000 VA Linux Co
* Copyright (C) 2000 Don Dugger <n0ano@valinux.com>
- * Copyright (C) 1999 Arun Sharma <arun.sharma@intel.com>
- * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1999 Arun Sharma <arun.sharma@intel.com>
+ * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2000 Hewlett-Packard Co.
* Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
- * Copyright (C) 2000,2001,2002 Andi Kleen, SuSE Labs (x86-64 port)
+ * Copyright (C) 2000,2001,2002 Andi Kleen, SuSE Labs (x86-64 port)
*
* These routines maintain argument size conversion between 32bit and 64bit
- * environment. In 2.5 most of this should be moved to a generic directory.
+ * environment. In 2.5 most of this should be moved to a generic directory.
*
* This file assumes that there is a hole at the end of user address space.
- *
- * Some of the functions are LE specific currently. These are hopefully all marked.
- * This should be fixed.
+ *
+ * Some of the functions are LE specific currently. These are
+ * hopefully all marked. This should be fixed.
*/
#include <linux/kernel.h>
#include <linux/sched.h>
-#include <linux/fs.h>
-#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/file.h>
#include <linux/signal.h>
#include <linux/syscalls.h>
#include <linux/resource.h>
@@ -90,43 +90,44 @@ int cp_compat_stat(struct kstat *kbuf, struct compat_stat __user *ubuf)
if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino)
return -EOVERFLOW;
if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct compat_stat)) ||
- __put_user (old_encode_dev(kbuf->dev), &ubuf->st_dev) ||
- __put_user (ino, &ubuf->st_ino) ||
- __put_user (kbuf->mode, &ubuf->st_mode) ||
- __put_user (kbuf->nlink, &ubuf->st_nlink) ||
- __put_user (uid, &ubuf->st_uid) ||
- __put_user (gid, &ubuf->st_gid) ||
- __put_user (old_encode_dev(kbuf->rdev), &ubuf->st_rdev) ||
- __put_user (kbuf->size, &ubuf->st_size) ||
- __put_user (kbuf->atime.tv_sec, &ubuf->st_atime) ||
- __put_user (kbuf->atime.tv_nsec, &ubuf->st_atime_nsec) ||
- __put_user (kbuf->mtime.tv_sec, &ubuf->st_mtime) ||
- __put_user (kbuf->mtime.tv_nsec, &ubuf->st_mtime_nsec) ||
- __put_user (kbuf->ctime.tv_sec, &ubuf->st_ctime) ||
- __put_user (kbuf->ctime.tv_nsec, &ubuf->st_ctime_nsec) ||
- __put_user (kbuf->blksize, &ubuf->st_blksize) ||
- __put_user (kbuf->blocks, &ubuf->st_blocks))
+ __put_user(old_encode_dev(kbuf->dev), &ubuf->st_dev) ||
+ __put_user(ino, &ubuf->st_ino) ||
+ __put_user(kbuf->mode, &ubuf->st_mode) ||
+ __put_user(kbuf->nlink, &ubuf->st_nlink) ||
+ __put_user(uid, &ubuf->st_uid) ||
+ __put_user(gid, &ubuf->st_gid) ||
+ __put_user(old_encode_dev(kbuf->rdev), &ubuf->st_rdev) ||
+ __put_user(kbuf->size, &ubuf->st_size) ||
+ __put_user(kbuf->atime.tv_sec, &ubuf->st_atime) ||
+ __put_user(kbuf->atime.tv_nsec, &ubuf->st_atime_nsec) ||
+ __put_user(kbuf->mtime.tv_sec, &ubuf->st_mtime) ||
+ __put_user(kbuf->mtime.tv_nsec, &ubuf->st_mtime_nsec) ||
+ __put_user(kbuf->ctime.tv_sec, &ubuf->st_ctime) ||
+ __put_user(kbuf->ctime.tv_nsec, &ubuf->st_ctime_nsec) ||
+ __put_user(kbuf->blksize, &ubuf->st_blksize) ||
+ __put_user(kbuf->blocks, &ubuf->st_blocks))
return -EFAULT;
return 0;
}
-asmlinkage long
-sys32_truncate64(char __user * filename, unsigned long offset_low, unsigned long offset_high)
+asmlinkage long sys32_truncate64(char __user *filename,
+ unsigned long offset_low,
+ unsigned long offset_high)
{
return sys_truncate(filename, ((loff_t) offset_high << 32) | offset_low);
}
-asmlinkage long
-sys32_ftruncate64(unsigned int fd, unsigned long offset_low, unsigned long offset_high)
+asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low,
+ unsigned long offset_high)
{
return sys_ftruncate(fd, ((loff_t) offset_high << 32) | offset_low);
}
-/* Another set for IA32/LFS -- x86_64 struct stat is different due to
- support for 64bit inode numbers. */
-
-static int
-cp_stat64(struct stat64 __user *ubuf, struct kstat *stat)
+/*
+ * Another set for IA32/LFS -- x86_64 struct stat is different due to
+ * support for 64bit inode numbers.
+ */
+static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat)
{
typeof(ubuf->st_uid) uid = 0;
typeof(ubuf->st_gid) gid = 0;
@@ -134,38 +135,39 @@ cp_stat64(struct stat64 __user *ubuf, struct kstat *stat)
SET_GID(gid, stat->gid);
if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) ||
__put_user(huge_encode_dev(stat->dev), &ubuf->st_dev) ||
- __put_user (stat->ino, &ubuf->__st_ino) ||
- __put_user (stat->ino, &ubuf->st_ino) ||
- __put_user (stat->mode, &ubuf->st_mode) ||
- __put_user (stat->nlink, &ubuf->st_nlink) ||
- __put_user (uid, &ubuf->st_uid) ||
- __put_user (gid, &ubuf->st_gid) ||
- __put_user (huge_encode_dev(stat->rdev), &ubuf->st_rdev) ||
- __put_user (stat->size, &ubuf->st_size) ||
- __put_user (stat->atime.tv_sec, &ubuf->st_atime) ||
- __put_user (stat->atime.tv_nsec, &ubuf->st_atime_nsec) ||
- __put_user (stat->mtime.tv_sec, &ubuf->st_mtime) ||
- __put_user (stat->mtime.tv_nsec, &ubuf->st_mtime_nsec) ||
- __put_user (stat->ctime.tv_sec, &ubuf->st_ctime) ||
- __put_user (stat->ctime.tv_nsec, &ubuf->st_ctime_nsec) ||
- __put_user (stat->blksize, &ubuf->st_blksize) ||
- __put_user (stat->blocks, &ubuf->st_blocks))
+ __put_user(stat->ino, &ubuf->__st_ino) ||
+ __put_user(stat->ino, &ubuf->st_ino) ||
+ __put_user(stat->mode, &ubuf->st_mode) ||
+ __put_user(stat->nlink, &ubuf->st_nlink) ||
+ __put_user(uid, &ubuf->st_uid) ||
+ __put_user(gid, &ubuf->st_gid) ||
+ __put_user(huge_encode_dev(stat->rdev), &ubuf->st_rdev) ||
+ __put_user(stat->size, &ubuf->st_size) ||
+ __put_user(stat->atime.tv_sec, &ubuf->st_atime) ||
+ __put_user(stat->atime.tv_nsec, &ubuf->st_atime_nsec) ||
+ __put_user(stat->mtime.tv_sec, &ubuf->st_mtime) ||
+ __put_user(stat->mtime.tv_nsec, &ubuf->st_mtime_nsec) ||
+ __put_user(stat->ctime.tv_sec, &ubuf->st_ctime) ||
+ __put_user(stat->ctime.tv_nsec, &ubuf->st_ctime_nsec) ||
+ __put_user(stat->blksize, &ubuf->st_blksize) ||
+ __put_user(stat->blocks, &ubuf->st_blocks))
return -EFAULT;
return 0;
}
-asmlinkage long
-sys32_stat64(char __user * filename, struct stat64 __user *statbuf)
+asmlinkage long sys32_stat64(char __user *filename,
+ struct stat64 __user *statbuf)
{
struct kstat stat;
int ret = vfs_stat(filename, &stat);
+
if (!ret)
ret = cp_stat64(statbuf, &stat);
return ret;
}
-asmlinkage long
-sys32_lstat64(char __user * filename, struct stat64 __user *statbuf)
+asmlinkage long sys32_lstat64(char __user *filename,
+ struct stat64 __user *statbuf)
{
struct kstat stat;
int ret = vfs_lstat(filename, &stat);
@@ -174,8 +176,7 @@ sys32_lstat64(char __user * filename, struct stat64 __user *statbuf)
return ret;
}
-asmlinkage long
-sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf)
+asmlinkage long sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf)
{
struct kstat stat;
int ret = vfs_fstat(fd, &stat);
@@ -184,9 +185,8 @@ sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf)
return ret;
}
-asmlinkage long
-sys32_fstatat(unsigned int dfd, char __user *filename,
- struct stat64 __user* statbuf, int flag)
+asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename,
+ struct stat64 __user *statbuf, int flag)
{
struct kstat stat;
int error = -EINVAL;
@@ -221,8 +221,7 @@ struct mmap_arg_struct {
unsigned int offset;
};
-asmlinkage long
-sys32_mmap(struct mmap_arg_struct __user *arg)
+asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg)
{
struct mmap_arg_struct a;
struct file *file = NULL;
@@ -233,33 +232,33 @@ sys32_mmap(struct mmap_arg_struct __user *arg)
return -EFAULT;
if (a.offset & ~PAGE_MASK)
- return -EINVAL;
+ return -EINVAL;
if (!(a.flags & MAP_ANONYMOUS)) {
file = fget(a.fd);
if (!file)
return -EBADF;
}
-
- mm = current->mm;
- down_write(&mm->mmap_sem);
- retval = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, a.offset>>PAGE_SHIFT);
+
+ mm = current->mm;
+ down_write(&mm->mmap_sem);
+ retval = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags,
+ a.offset>>PAGE_SHIFT);
if (file)
fput(file);
- up_write(&mm->mmap_sem);
+ up_write(&mm->mmap_sem);
return retval;
}
-asmlinkage long
-sys32_mprotect(unsigned long start, size_t len, unsigned long prot)
+asmlinkage long sys32_mprotect(unsigned long start, size_t len,
+ unsigned long prot)
{
- return sys_mprotect(start,len,prot);
+ return sys_mprotect(start, len, prot);
}
-asmlinkage long
-sys32_pipe(int __user *fd)
+asmlinkage long sys32_pipe(int __user *fd)
{
int retval;
int fds[2];
@@ -269,13 +268,13 @@ sys32_pipe(int __user *fd)
goto out;
if (copy_to_user(fd, fds, sizeof(fds)))
retval = -EFAULT;
- out:
+out:
return retval;
}
-asmlinkage long
-sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
- struct sigaction32 __user *oact, unsigned int sigsetsize)
+asmlinkage long sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
+ struct sigaction32 __user *oact,
+ unsigned int sigsetsize)
{
struct k_sigaction new_ka, old_ka;
int ret;
@@ -291,12 +290,17 @@ sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
- __get_user(restorer, &act->sa_restorer)||
- __copy_from_user(&set32, &act->sa_mask, sizeof(compat_sigset_t)))
+ __get_user(restorer, &act->sa_restorer) ||
+ __copy_from_user(&set32, &act->sa_mask,
+ sizeof(compat_sigset_t)))
return -EFAULT;
new_ka.sa.sa_handler = compat_ptr(handler);
new_ka.sa.sa_restorer = compat_ptr(restorer);
- /* FIXME: here we rely on _COMPAT_NSIG_WORS to be >= than _NSIG_WORDS << 1 */
+
+ /*
+ * FIXME: here we rely on _COMPAT_NSIG_WORS to be >=
+ * than _NSIG_WORDS << 1
+ */
switch (_NSIG_WORDS) {
case 4: new_ka.sa.sa_mask.sig[3] = set32.sig[6]
| (((long)set32.sig[7]) << 32);
@@ -312,7 +316,10 @@ sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
- /* FIXME: here we rely on _COMPAT_NSIG_WORS to be >= than _NSIG_WORDS << 1 */
+ /*
+ * FIXME: here we rely on _COMPAT_NSIG_WORS to be >=
+ * than _NSIG_WORDS << 1
+ */
switch (_NSIG_WORDS) {
case 4:
set32.sig[7] = (old_ka.sa.sa_mask.sig[3] >> 32);
@@ -328,23 +335,26 @@ sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
set32.sig[0] = old_ka.sa.sa_mask.sig[0];
}
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler) ||
- __put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_handler),
+ &oact->sa_handler) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_restorer),
+ &oact->sa_restorer) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
- __copy_to_user(&oact->sa_mask, &set32, sizeof(compat_sigset_t)))
+ __copy_to_user(&oact->sa_mask, &set32,
+ sizeof(compat_sigset_t)))
return -EFAULT;
}
return ret;
}
-asmlinkage long
-sys32_sigaction (int sig, struct old_sigaction32 __user *act, struct old_sigaction32 __user *oact)
+asmlinkage long sys32_sigaction(int sig, struct old_sigaction32 __user *act,
+ struct old_sigaction32 __user *oact)
{
- struct k_sigaction new_ka, old_ka;
- int ret;
+ struct k_sigaction new_ka, old_ka;
+ int ret;
- if (act) {
+ if (act) {
compat_old_sigset_t mask;
compat_uptr_t handler, restorer;
@@ -359,33 +369,35 @@ sys32_sigaction (int sig, struct old_sigaction32 __user *act, struct old_sigacti
new_ka.sa.sa_restorer = compat_ptr(restorer);
siginitset(&new_ka.sa.sa_mask, mask);
- }
+ }
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
+ ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler) ||
- __put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_handler),
+ &oact->sa_handler) ||
+ __put_user(ptr_to_compat(old_ka.sa.sa_restorer),
+ &oact->sa_restorer) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
return -EFAULT;
- }
+ }
return ret;
}
-asmlinkage long
-sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
- compat_sigset_t __user *oset, unsigned int sigsetsize)
+asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
+ compat_sigset_t __user *oset,
+ unsigned int sigsetsize)
{
sigset_t s;
compat_sigset_t s32;
int ret;
mm_segment_t old_fs = get_fs();
-
+
if (set) {
- if (copy_from_user (&s32, set, sizeof(compat_sigset_t)))
+ if (copy_from_user(&s32, set, sizeof(compat_sigset_t)))
return -EFAULT;
switch (_NSIG_WORDS) {
case 4: s.sig[3] = s32.sig[6] | (((long)s32.sig[7]) << 32);
@@ -394,13 +406,14 @@ sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
case 1: s.sig[0] = s32.sig[0] | (((long)s32.sig[1]) << 32);
}
}
- set_fs (KERNEL_DS);
+ set_fs(KERNEL_DS);
ret = sys_rt_sigprocmask(how,
set ? (sigset_t __user *)&s : NULL,
oset ? (sigset_t __user *)&s : NULL,
- sigsetsize);
- set_fs (old_fs);
- if (ret) return ret;
+ sigsetsize);
+ set_fs(old_fs);
+ if (ret)
+ return ret;
if (oset) {
switch (_NSIG_WORDS) {
case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3];
@@ -408,52 +421,49 @@ sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1];
case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0];
}
- if (copy_to_user (oset, &s32, sizeof(compat_sigset_t)))
+ if (copy_to_user(oset, &s32, sizeof(compat_sigset_t)))
return -EFAULT;
}
return 0;
}
-static inline long
-get_tv32(struct timeval *o, struct compat_timeval __user *i)
+static inline long get_tv32(struct timeval *o, struct compat_timeval __user *i)
{
- int err = -EFAULT;
- if (access_ok(VERIFY_READ, i, sizeof(*i))) {
+ int err = -EFAULT;
+
+ if (access_ok(VERIFY_READ, i, sizeof(*i))) {
err = __get_user(o->tv_sec, &i->tv_sec);
err |= __get_user(o->tv_usec, &i->tv_usec);
}
- return err;
+ return err;
}
-static inline long
-put_tv32(struct compat_timeval __user *o, struct timeval *i)
+static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
{
int err = -EFAULT;
- if (access_ok(VERIFY_WRITE, o, sizeof(*o))) {
+
+ if (access_ok(VERIFY_WRITE, o, sizeof(*o))) {
err = __put_user(i->tv_sec, &o->tv_sec);
err |= __put_user(i->tv_usec, &o->tv_usec);
- }
- return err;
+ }
+ return err;
}
-extern unsigned int alarm_setitimer(unsigned int seconds);
-
-asmlinkage long
-sys32_alarm(unsigned int seconds)
+asmlinkage long sys32_alarm(unsigned int seconds)
{
return alarm_setitimer(seconds);
}
-/* Translations due to time_t size differences. Which affects all
- sorts of things, like timeval and itimerval. */
-
-extern struct timezone sys_tz;
-
-asmlinkage long
-sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
+/*
+ * Translations due to time_t size differences. Which affects all
+ * sorts of things, like timeval and itimerval.
+ */
+asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv,
+ struct timezone __user *tz)
{
if (tv) {
struct timeval ktv;
+
do_gettimeofday(&ktv);
if (put_tv32(tv, &ktv))
return -EFAULT;
@@ -465,14 +475,14 @@ sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
return 0;
}
-asmlinkage long
-sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
+asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv,
+ struct timezone __user *tz)
{
struct timeval ktv;
struct timespec kts;
struct timezone ktz;
- if (tv) {
+ if (tv) {
if (get_tv32(&ktv, tv))
return -EFAULT;
kts.tv_sec = ktv.tv_sec;
@@ -494,8 +504,7 @@ struct sel_arg_struct {
unsigned int tvp;
};
-asmlinkage long
-sys32_old_select(struct sel_arg_struct __user *arg)
+asmlinkage long sys32_old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
@@ -505,50 +514,45 @@ sys32_old_select(struct sel_arg_struct __user *arg)
compat_ptr(a.exp), compat_ptr(a.tvp));
}
-extern asmlinkage long
-compat_sys_wait4(compat_pid_t pid, compat_uint_t * stat_addr, int options,
- struct compat_rusage *ru);
-
-asmlinkage long
-sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options)
+asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
+ int options)
{
return compat_sys_wait4(pid, stat_addr, options, NULL);
}
/* 32-bit timeval and related flotsam. */
-asmlinkage long
-sys32_sysfs(int option, u32 arg1, u32 arg2)
+asmlinkage long sys32_sysfs(int option, u32 arg1, u32 arg2)
{
return sys_sysfs(option, arg1, arg2);
}
-asmlinkage long
-sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval)
+asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
+ struct compat_timespec __user *interval)
{
struct timespec t;
int ret;
- mm_segment_t old_fs = get_fs ();
-
- set_fs (KERNEL_DS);
+ mm_segment_t old_fs = get_fs();
+
+ set_fs(KERNEL_DS);
ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
- set_fs (old_fs);
+ set_fs(old_fs);
if (put_compat_timespec(&t, interval))
return -EFAULT;
return ret;
}
-asmlinkage long
-sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize)
+asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set,
+ compat_size_t sigsetsize)
{
sigset_t s;
compat_sigset_t s32;
int ret;
mm_segment_t old_fs = get_fs();
-
- set_fs (KERNEL_DS);
+
+ set_fs(KERNEL_DS);
ret = sys_rt_sigpending((sigset_t __user *)&s, sigsetsize);
- set_fs (old_fs);
+ set_fs(old_fs);
if (!ret) {
switch (_NSIG_WORDS) {
case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3];
@@ -556,30 +560,29 @@ sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize)
case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1];
case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0];
}
- if (copy_to_user (set, &s32, sizeof(compat_sigset_t)))
+ if (copy_to_user(set, &s32, sizeof(compat_sigset_t)))
return -EFAULT;
}
return ret;
}
-asmlinkage long
-sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
+asmlinkage long sys32_rt_sigqueueinfo(int pid, int sig,
+ compat_siginfo_t __user *uinfo)
{
siginfo_t info;
int ret;
mm_segment_t old_fs = get_fs();
-
+
if (copy_siginfo_from_user32(&info, uinfo))
return -EFAULT;
- set_fs (KERNEL_DS);
+ set_fs(KERNEL_DS);
ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info);
- set_fs (old_fs);
+ set_fs(old_fs);
return ret;
}
/* These are here just in case some old ia32 binary calls it. */
-asmlinkage long
-sys32_pause(void)
+asmlinkage long sys32_pause(void)
{
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -599,25 +602,25 @@ struct sysctl_ia32 {
};
-asmlinkage long
-sys32_sysctl(struct sysctl_ia32 __user *args32)
+asmlinkage long sys32_sysctl(struct sysctl_ia32 __user *args32)
{
struct sysctl_ia32 a32;
- mm_segment_t old_fs = get_fs ();
+ mm_segment_t old_fs = get_fs();
void __user *oldvalp, *newvalp;
size_t oldlen;
int __user *namep;
long ret;
- if (copy_from_user(&a32, args32, sizeof (a32)))
+ if (copy_from_user(&a32, args32, sizeof(a32)))
return -EFAULT;
/*
- * We need to pre-validate these because we have to disable address checking
- * before calling do_sysctl() because of OLDLEN but we can't run the risk of the
- * user specifying bad addresses here. Well, since we're dealing with 32 bit
- * addresses, we KNOW that access_ok() will always succeed, so this is an
- * expensive NOP, but so what...
+ * We need to pre-validate these because we have to disable
+ * address checking before calling do_sysctl() because of
+ * OLDLEN but we can't run the risk of the user specifying bad
+ * addresses here. Well, since we're dealing with 32 bit
+ * addresses, we KNOW that access_ok() will always succeed, so
+ * this is an expensive NOP, but so what...
*/
namep = compat_ptr(a32.name);
oldvalp = compat_ptr(a32.oldval);
@@ -636,34 +639,34 @@ sys32_sysctl(struct sysctl_ia32 __user *args32)
unlock_kernel();
set_fs(old_fs);
- if (oldvalp && put_user (oldlen, (int __user *)compat_ptr(a32.oldlenp)))
+ if (oldvalp && put_user(oldlen, (int __user *)compat_ptr(a32.oldlenp)))
return -EFAULT;
return ret;
}
#endif
-/* warning: next two assume little endian */
-asmlinkage long
-sys32_pread(unsigned int fd, char __user *ubuf, u32 count, u32 poslo, u32 poshi)
+/* warning: next two assume little endian */
+asmlinkage long sys32_pread(unsigned int fd, char __user *ubuf, u32 count,
+ u32 poslo, u32 poshi)
{
return sys_pread64(fd, ubuf, count,
((loff_t)AA(poshi) << 32) | AA(poslo));
}
-asmlinkage long
-sys32_pwrite(unsigned int fd, char __user *ubuf, u32 count, u32 poslo, u32 poshi)
+asmlinkage long sys32_pwrite(unsigned int fd, char __user *ubuf, u32 count,
+ u32 poslo, u32 poshi)
{
return sys_pwrite64(fd, ubuf, count,
((loff_t)AA(poshi) << 32) | AA(poslo));
}
-asmlinkage long
-sys32_personality(unsigned long personality)
+asmlinkage long sys32_personality(unsigned long personality)
{
int ret;
- if (personality(current->personality) == PER_LINUX32 &&
+
+ if (personality(current->personality) == PER_LINUX32 &&
personality == PER_LINUX)
personality = PER_LINUX32;
ret = sys_personality(personality);
@@ -672,34 +675,33 @@ sys32_personality(unsigned long personality)
return ret;
}
-asmlinkage long
-sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
+asmlinkage long sys32_sendfile(int out_fd, int in_fd,
+ compat_off_t __user *offset, s32 count)
{
mm_segment_t old_fs = get_fs();
int ret;
off_t of;
-
+
if (offset && get_user(of, offset))
return -EFAULT;
-
+
set_fs(KERNEL_DS);
ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL,
count);
set_fs(old_fs);
-
+
if (offset && put_user(of, offset))
return -EFAULT;
-
return ret;
}
asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, unsigned long pgoff)
{
struct mm_struct *mm = current->mm;
unsigned long error;
- struct file * file = NULL;
+ struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
if (!(flags & MAP_ANONYMOUS)) {
@@ -717,36 +719,35 @@ asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
return error;
}
-asmlinkage long sys32_olduname(struct oldold_utsname __user * name)
+asmlinkage long sys32_olduname(struct oldold_utsname __user *name)
{
+ char *arch = "x86_64";
int err;
if (!name)
return -EFAULT;
if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
return -EFAULT;
-
- down_read(&uts_sem);
-
- err = __copy_to_user(&name->sysname,&utsname()->sysname,
- __OLD_UTS_LEN);
- err |= __put_user(0,name->sysname+__OLD_UTS_LEN);
- err |= __copy_to_user(&name->nodename,&utsname()->nodename,
- __OLD_UTS_LEN);
- err |= __put_user(0,name->nodename+__OLD_UTS_LEN);
- err |= __copy_to_user(&name->release,&utsname()->release,
- __OLD_UTS_LEN);
- err |= __put_user(0,name->release+__OLD_UTS_LEN);
- err |= __copy_to_user(&name->version,&utsname()->version,
- __OLD_UTS_LEN);
- err |= __put_user(0,name->version+__OLD_UTS_LEN);
- {
- char *arch = "x86_64";
- if (personality(current->personality) == PER_LINUX32)
- arch = "i686";
-
- err |= __copy_to_user(&name->machine, arch, strlen(arch)+1);
- }
+
+ down_read(&uts_sem);
+
+ err = __copy_to_user(&name->sysname, &utsname()->sysname,
+ __OLD_UTS_LEN);
+ err |= __put_user(0, name->sysname+__OLD_UTS_LEN);
+ err |= __copy_to_user(&name->nodename, &utsname()->nodename,
+ __OLD_UTS_LEN);
+ err |= __put_user(0, name->nodename+__OLD_UTS_LEN);
+ err |= __copy_to_user(&name->release, &utsname()->release,
+ __OLD_UTS_LEN);
+ err |= __put_user(0, name->release+__OLD_UTS_LEN);
+ err |= __copy_to_user(&name->version, &utsname()->version,
+ __OLD_UTS_LEN);
+ err |= __put_user(0, name->version+__OLD_UTS_LEN);
+
+ if (personality(current->personality) == PER_LINUX32)
+ arch = "i686";
+
+ err |= __copy_to_user(&name->machine, arch, strlen(arch) + 1);
up_read(&uts_sem);
@@ -755,17 +756,19 @@ asmlinkage long sys32_olduname(struct oldold_utsname __user * name)
return err;
}
-long sys32_uname(struct old_utsname __user * name)
+long sys32_uname(struct old_utsname __user *name)
{
int err;
+
if (!name)
return -EFAULT;
down_read(&uts_sem);
- err = copy_to_user(name, utsname(), sizeof (*name));
+ err = copy_to_user(name, utsname(), sizeof(*name));
up_read(&uts_sem);
- if (personality(current->personality) == PER_LINUX32)
+ if (personality(current->personality) == PER_LINUX32)
err |= copy_to_user(&name->machine, "i686", 5);
- return err?-EFAULT:0;
+
+ return err ? -EFAULT : 0;
}
long sys32_ustat(unsigned dev, struct ustat32 __user *u32p)
@@ -773,27 +776,28 @@ long sys32_ustat(unsigned dev, struct ustat32 __user *u32p)
struct ustat u;
mm_segment_t seg;
int ret;
-
- seg = get_fs();
- set_fs(KERNEL_DS);
+
+ seg = get_fs();
+ set_fs(KERNEL_DS);
ret = sys_ustat(dev, (struct ustat __user *)&u);
set_fs(seg);
- if (ret >= 0) {
- if (!access_ok(VERIFY_WRITE,u32p,sizeof(struct ustat32)) ||
- __put_user((__u32) u.f_tfree, &u32p->f_tfree) ||
- __put_user((__u32) u.f_tinode, &u32p->f_tfree) ||
- __copy_to_user(&u32p->f_fname, u.f_fname, sizeof(u.f_fname)) ||
- __copy_to_user(&u32p->f_fpack, u.f_fpack, sizeof(u.f_fpack)))
- ret = -EFAULT;
- }
+ if (ret < 0)
+ return ret;
+
+ if (!access_ok(VERIFY_WRITE, u32p, sizeof(struct ustat32)) ||
+ __put_user((__u32) u.f_tfree, &u32p->f_tfree) ||
+ __put_user((__u32) u.f_tinode, &u32p->f_tfree) ||
+ __copy_to_user(&u32p->f_fname, u.f_fname, sizeof(u.f_fname)) ||
+ __copy_to_user(&u32p->f_fpack, u.f_fpack, sizeof(u.f_fpack)))
+ ret = -EFAULT;
return ret;
-}
+}
asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv,
compat_uptr_t __user *envp, struct pt_regs *regs)
{
long error;
- char * filename;
+ char *filename;
filename = getname(name);
error = PTR_ERR(filename);
@@ -812,18 +816,19 @@ asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv,
asmlinkage long sys32_clone(unsigned int clone_flags, unsigned int newsp,
struct pt_regs *regs)
{
- void __user *parent_tid = (void __user *)regs->rdx;
- void __user *child_tid = (void __user *)regs->rdi;
+ void __user *parent_tid = (void __user *)regs->dx;
+ void __user *child_tid = (void __user *)regs->di;
+
if (!newsp)
- newsp = regs->rsp;
- return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
+ newsp = regs->sp;
+ return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid);
}
/*
- * Some system calls that need sign extended arguments. This could be done by a generic wrapper.
- */
-
-long sys32_lseek (unsigned int fd, int offset, unsigned int whence)
+ * Some system calls that need sign extended arguments. This could be
+ * done by a generic wrapper.
+ */
+long sys32_lseek(unsigned int fd, int offset, unsigned int whence)
{
return sys_lseek(fd, offset, whence);
}
@@ -832,49 +837,52 @@ long sys32_kill(int pid, int sig)
{
return sys_kill(pid, sig);
}
-
-long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high,
+
+long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high,
__u32 len_low, __u32 len_high, int advice)
-{
+{
return sys_fadvise64_64(fd,
(((u64)offset_high)<<32) | offset_low,
(((u64)len_high)<<32) | len_low,
- advice);
-}
+ advice);
+}
long sys32_vm86_warning(void)
-{
+{
struct task_struct *me = current;
static char lastcomm[sizeof(me->comm)];
+
if (strncmp(lastcomm, me->comm, sizeof(lastcomm))) {
- compat_printk(KERN_INFO "%s: vm86 mode not supported on 64 bit kernel\n",
- me->comm);
+ compat_printk(KERN_INFO
+ "%s: vm86 mode not supported on 64 bit kernel\n",
+ me->comm);
strncpy(lastcomm, me->comm, sizeof(lastcomm));
- }
+ }
return -ENOSYS;
-}
+}
long sys32_lookup_dcookie(u32 addr_low, u32 addr_high,
- char __user * buf, size_t len)
+ char __user *buf, size_t len)
{
return sys_lookup_dcookie(((u64)addr_high << 32) | addr_low, buf, len);
}
-asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi, size_t count)
+asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi,
+ size_t count)
{
return sys_readahead(fd, ((u64)off_hi << 32) | off_lo, count);
}
asmlinkage long sys32_sync_file_range(int fd, unsigned off_low, unsigned off_hi,
- unsigned n_low, unsigned n_hi, int flags)
+ unsigned n_low, unsigned n_hi, int flags)
{
return sys_sync_file_range(fd,
((u64)off_hi << 32) | off_low,
((u64)n_hi << 32) | n_low, flags);
}
-asmlinkage long sys32_fadvise64(int fd, unsigned offset_lo, unsigned offset_hi, size_t len,
- int advice)
+asmlinkage long sys32_fadvise64(int fd, unsigned offset_lo, unsigned offset_hi,
+ size_t len, int advice)
{
return sys_fadvise64_64(fd, ((u64)offset_hi << 32) | offset_lo,
len, advice);
diff --git a/arch/x86/ia32/syscall32.c b/arch/x86/ia32/syscall32.c
deleted file mode 100644
index 15013bac181..00000000000
--- a/arch/x86/ia32/syscall32.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* Copyright 2002,2003 Andi Kleen, SuSE Labs */
-
-/* vsyscall handling for 32bit processes. Map a stub page into it
- on demand because 32bit cannot reach the kernel's fixmaps */
-
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/gfp.h>
-#include <linux/init.h>
-#include <linux/stringify.h>
-#include <linux/security.h>
-#include <asm/proto.h>
-#include <asm/tlbflush.h>
-#include <asm/ia32_unistd.h>
-#include <asm/vsyscall32.h>
-
-extern unsigned char syscall32_syscall[], syscall32_syscall_end[];
-extern unsigned char syscall32_sysenter[], syscall32_sysenter_end[];
-extern int sysctl_vsyscall32;
-
-static struct page *syscall32_pages[1];
-static int use_sysenter = -1;
-
-struct linux_binprm;
-
-/* Setup a VMA at program startup for the vsyscall page */
-int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
-{
- struct mm_struct *mm = current->mm;
- int ret;
-
- down_write(&mm->mmap_sem);
- /*
- * MAYWRITE to allow gdb to COW and set breakpoints
- *
- * Make sure the vDSO gets into every core dump.
- * Dumping its contents makes post-mortem fully interpretable later
- * without matching up the same kernel and hardware config to see
- * what PC values meant.
- */
- /* Could randomize here */
- ret = install_special_mapping(mm, VSYSCALL32_BASE, PAGE_SIZE,
- VM_READ|VM_EXEC|
- VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC|
- VM_ALWAYSDUMP,
- syscall32_pages);
- up_write(&mm->mmap_sem);
- return ret;
-}
-
-static int __init init_syscall32(void)
-{
- char *syscall32_page = (void *)get_zeroed_page(GFP_KERNEL);
- if (!syscall32_page)
- panic("Cannot allocate syscall32 page");
- syscall32_pages[0] = virt_to_page(syscall32_page);
- if (use_sysenter > 0) {
- memcpy(syscall32_page, syscall32_sysenter,
- syscall32_sysenter_end - syscall32_sysenter);
- } else {
- memcpy(syscall32_page, syscall32_syscall,
- syscall32_syscall_end - syscall32_syscall);
- }
- return 0;
-}
-
-__initcall(init_syscall32);
-
-/* May not be __init: called during resume */
-void syscall32_cpu_init(void)
-{
- if (use_sysenter < 0)
- use_sysenter = (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL);
-
- /* Load these always in case some future AMD CPU supports
- SYSENTER from compat mode too. */
- checking_wrmsrl(MSR_IA32_SYSENTER_CS, (u64)__KERNEL_CS);
- checking_wrmsrl(MSR_IA32_SYSENTER_ESP, 0ULL);
- checking_wrmsrl(MSR_IA32_SYSENTER_EIP, (u64)ia32_sysenter_target);
-
- wrmsrl(MSR_CSTAR, ia32_cstar_target);
-}
diff --git a/arch/x86/ia32/syscall32_syscall.S b/arch/x86/ia32/syscall32_syscall.S
deleted file mode 100644
index 933f0f08b1c..00000000000
--- a/arch/x86/ia32/syscall32_syscall.S
+++ /dev/null
@@ -1,17 +0,0 @@
-/* 32bit VDSOs mapped into user space. */
-
- .section ".init.data","aw"
-
- .globl syscall32_syscall
- .globl syscall32_syscall_end
-
-syscall32_syscall:
- .incbin "arch/x86/ia32/vsyscall-syscall.so"
-syscall32_syscall_end:
-
- .globl syscall32_sysenter
- .globl syscall32_sysenter_end
-
-syscall32_sysenter:
- .incbin "arch/x86/ia32/vsyscall-sysenter.so"
-syscall32_sysenter_end:
diff --git a/arch/x86/ia32/tls32.c b/arch/x86/ia32/tls32.c
deleted file mode 100644
index 1cc4340de3c..00000000000
--- a/arch/x86/ia32/tls32.c
+++ /dev/null
@@ -1,163 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/user.h>
-
-#include <asm/uaccess.h>
-#include <asm/desc.h>
-#include <asm/system.h>
-#include <asm/ldt.h>
-#include <asm/processor.h>
-#include <asm/proto.h>
-
-/*
- * sys_alloc_thread_area: get a yet unused TLS descriptor index.
- */
-static int get_free_idx(void)
-{
- struct thread_struct *t = &current->thread;
- int idx;
-
- for (idx = 0; idx < GDT_ENTRY_TLS_ENTRIES; idx++)
- if (desc_empty((struct n_desc_struct *)(t->tls_array) + idx))
- return idx + GDT_ENTRY_TLS_MIN;
- return -ESRCH;
-}
-
-/*
- * Set a given TLS descriptor:
- * When you want addresses > 32bit use arch_prctl()
- */
-int do_set_thread_area(struct thread_struct *t, struct user_desc __user *u_info)
-{
- struct user_desc info;
- struct n_desc_struct *desc;
- int cpu, idx;
-
- if (copy_from_user(&info, u_info, sizeof(info)))
- return -EFAULT;
-
- idx = info.entry_number;
-
- /*
- * index -1 means the kernel should try to find and
- * allocate an empty descriptor:
- */
- if (idx == -1) {
- idx = get_free_idx();
- if (idx < 0)
- return idx;
- if (put_user(idx, &u_info->entry_number))
- return -EFAULT;
- }
-
- if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
- return -EINVAL;
-
- desc = ((struct n_desc_struct *)t->tls_array) + idx - GDT_ENTRY_TLS_MIN;
-
- /*
- * We must not get preempted while modifying the TLS.
- */
- cpu = get_cpu();
-
- if (LDT_empty(&info)) {
- desc->a = 0;
- desc->b = 0;
- } else {
- desc->a = LDT_entry_a(&info);
- desc->b = LDT_entry_b(&info);
- }
- if (t == &current->thread)
- load_TLS(t, cpu);
-
- put_cpu();
- return 0;
-}
-
-asmlinkage long sys32_set_thread_area(struct user_desc __user *u_info)
-{
- return do_set_thread_area(&current->thread, u_info);
-}
-
-
-/*
- * Get the current Thread-Local Storage area:
- */
-
-#define GET_BASE(desc) ( \
- (((desc)->a >> 16) & 0x0000ffff) | \
- (((desc)->b << 16) & 0x00ff0000) | \
- ( (desc)->b & 0xff000000) )
-
-#define GET_LIMIT(desc) ( \
- ((desc)->a & 0x0ffff) | \
- ((desc)->b & 0xf0000) )
-
-#define GET_32BIT(desc) (((desc)->b >> 22) & 1)
-#define GET_CONTENTS(desc) (((desc)->b >> 10) & 3)
-#define GET_WRITABLE(desc) (((desc)->b >> 9) & 1)
-#define GET_LIMIT_PAGES(desc) (((desc)->b >> 23) & 1)
-#define GET_PRESENT(desc) (((desc)->b >> 15) & 1)
-#define GET_USEABLE(desc) (((desc)->b >> 20) & 1)
-#define GET_LONGMODE(desc) (((desc)->b >> 21) & 1)
-
-int do_get_thread_area(struct thread_struct *t, struct user_desc __user *u_info)
-{
- struct user_desc info;
- struct n_desc_struct *desc;
- int idx;
-
- if (get_user(idx, &u_info->entry_number))
- return -EFAULT;
- if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
- return -EINVAL;
-
- desc = ((struct n_desc_struct *)t->tls_array) + idx - GDT_ENTRY_TLS_MIN;
-
- memset(&info, 0, sizeof(struct user_desc));
- info.entry_number = idx;
- info.base_addr = GET_BASE(desc);
- info.limit = GET_LIMIT(desc);
- info.seg_32bit = GET_32BIT(desc);
- info.contents = GET_CONTENTS(desc);
- info.read_exec_only = !GET_WRITABLE(desc);
- info.limit_in_pages = GET_LIMIT_PAGES(desc);
- info.seg_not_present = !GET_PRESENT(desc);
- info.useable = GET_USEABLE(desc);
- info.lm = GET_LONGMODE(desc);
-
- if (copy_to_user(u_info, &info, sizeof(info)))
- return -EFAULT;
- return 0;
-}
-
-asmlinkage long sys32_get_thread_area(struct user_desc __user *u_info)
-{
- return do_get_thread_area(&current->thread, u_info);
-}
-
-
-int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs)
-{
- struct n_desc_struct *desc;
- struct user_desc info;
- struct user_desc __user *cp;
- int idx;
-
- cp = (void __user *)childregs->rsi;
- if (copy_from_user(&info, cp, sizeof(info)))
- return -EFAULT;
- if (LDT_empty(&info))
- return -EINVAL;
-
- idx = info.entry_number;
- if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX)
- return -EINVAL;
-
- desc = (struct n_desc_struct *)(p->thread.tls_array) + idx - GDT_ENTRY_TLS_MIN;
- desc->a = LDT_entry_a(&info);
- desc->b = LDT_entry_b(&info);
-
- return 0;
-}
diff --git a/arch/x86/ia32/vsyscall-sigreturn.S b/arch/x86/ia32/vsyscall-sigreturn.S
deleted file mode 100644
index b383be00bae..00000000000
--- a/arch/x86/ia32/vsyscall-sigreturn.S
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Common code for the sigreturn entry points on the vsyscall page.
- * This code uses SYSCALL_ENTER_KERNEL (either syscall or int $0x80)
- * to enter the kernel.
- * This file is #include'd by vsyscall-*.S to define them after the
- * vsyscall entry point. The addresses we get for these entry points
- * by doing ".balign 32" must match in both versions of the page.
- */
-
- .code32
- .section .text.sigreturn,"ax"
- .balign 32
- .globl __kernel_sigreturn
- .type __kernel_sigreturn,@function
-__kernel_sigreturn:
-.LSTART_sigreturn:
- popl %eax
- movl $__NR_ia32_sigreturn, %eax
- SYSCALL_ENTER_KERNEL
-.LEND_sigreturn:
- .size __kernel_sigreturn,.-.LSTART_sigreturn
-
- .section .text.rtsigreturn,"ax"
- .balign 32
- .globl __kernel_rt_sigreturn
- .type __kernel_rt_sigreturn,@function
-__kernel_rt_sigreturn:
-.LSTART_rt_sigreturn:
- movl $__NR_ia32_rt_sigreturn, %eax
- SYSCALL_ENTER_KERNEL
-.LEND_rt_sigreturn:
- .size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn
-
- .section .eh_frame,"a",@progbits
-.LSTARTFRAMES:
- .long .LENDCIES-.LSTARTCIES
-.LSTARTCIES:
- .long 0 /* CIE ID */
- .byte 1 /* Version number */
- .string "zRS" /* NUL-terminated augmentation string */
- .uleb128 1 /* Code alignment factor */
- .sleb128 -4 /* Data alignment factor */
- .byte 8 /* Return address register column */
- .uleb128 1 /* Augmentation value length */
- .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
- .byte 0x0c /* DW_CFA_def_cfa */
- .uleb128 4
- .uleb128 4
- .byte 0x88 /* DW_CFA_offset, column 0x8 */
- .uleb128 1
- .align 4
-.LENDCIES:
-
- .long .LENDFDE2-.LSTARTFDE2 /* Length FDE */
-.LSTARTFDE2:
- .long .LSTARTFDE2-.LSTARTFRAMES /* CIE pointer */
- /* HACK: The dwarf2 unwind routines will subtract 1 from the
- return address to get an address in the middle of the
- presumed call instruction. Since we didn't get here via
- a call, we need to include the nop before the real start
- to make up for it. */
- .long .LSTART_sigreturn-1-. /* PC-relative start address */
- .long .LEND_sigreturn-.LSTART_sigreturn+1
- .uleb128 0 /* Augmentation length */
- /* What follows are the instructions for the table generation.
- We record the locations of each register saved. This is
- complicated by the fact that the "CFA" is always assumed to
- be the value of the stack pointer in the caller. This means
- that we must define the CFA of this body of code to be the
- saved value of the stack pointer in the sigcontext. Which
- also means that there is no fixed relation to the other
- saved registers, which means that we must use DW_CFA_expression
- to compute their addresses. It also means that when we
- adjust the stack with the popl, we have to do it all over again. */
-
-#define do_cfa_expr(offset) \
- .byte 0x0f; /* DW_CFA_def_cfa_expression */ \
- .uleb128 1f-0f; /* length */ \
-0: .byte 0x74; /* DW_OP_breg4 */ \
- .sleb128 offset; /* offset */ \
- .byte 0x06; /* DW_OP_deref */ \
-1:
-
-#define do_expr(regno, offset) \
- .byte 0x10; /* DW_CFA_expression */ \
- .uleb128 regno; /* regno */ \
- .uleb128 1f-0f; /* length */ \
-0: .byte 0x74; /* DW_OP_breg4 */ \
- .sleb128 offset; /* offset */ \
-1:
-
- do_cfa_expr(IA32_SIGCONTEXT_esp+4)
- do_expr(0, IA32_SIGCONTEXT_eax+4)
- do_expr(1, IA32_SIGCONTEXT_ecx+4)
- do_expr(2, IA32_SIGCONTEXT_edx+4)
- do_expr(3, IA32_SIGCONTEXT_ebx+4)
- do_expr(5, IA32_SIGCONTEXT_ebp+4)
- do_expr(6, IA32_SIGCONTEXT_esi+4)
- do_expr(7, IA32_SIGCONTEXT_edi+4)
- do_expr(8, IA32_SIGCONTEXT_eip+4)
-
- .byte 0x42 /* DW_CFA_advance_loc 2 -- nop; popl eax. */
-
- do_cfa_expr(IA32_SIGCONTEXT_esp)
- do_expr(0, IA32_SIGCONTEXT_eax)
- do_expr(1, IA32_SIGCONTEXT_ecx)
- do_expr(2, IA32_SIGCONTEXT_edx)
- do_expr(3, IA32_SIGCONTEXT_ebx)
- do_expr(5, IA32_SIGCONTEXT_ebp)
- do_expr(6, IA32_SIGCONTEXT_esi)
- do_expr(7, IA32_SIGCONTEXT_edi)
- do_expr(8, IA32_SIGCONTEXT_eip)
-
- .align 4
-.LENDFDE2:
-
- .long .LENDFDE3-.LSTARTFDE3 /* Length FDE */
-.LSTARTFDE3:
- .long .LSTARTFDE3-.LSTARTFRAMES /* CIE pointer */
- /* HACK: See above wrt unwind library assumptions. */
- .long .LSTART_rt_sigreturn-1-. /* PC-relative start address */
- .long .LEND_rt_sigreturn-.LSTART_rt_sigreturn+1
- .uleb128 0 /* Augmentation */
- /* What follows are the instructions for the table generation.
- We record the locations of each register saved. This is
- slightly less complicated than the above, since we don't
- modify the stack pointer in the process. */
-
- do_cfa_expr(IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_esp)
- do_expr(0, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_eax)
- do_expr(1, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_ecx)
- do_expr(2, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_edx)
- do_expr(3, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_ebx)
- do_expr(5, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_ebp)
- do_expr(6, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_esi)
- do_expr(7, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_edi)
- do_expr(8, IA32_RT_SIGFRAME_sigcontext-4 + IA32_SIGCONTEXT_eip)
-
- .align 4
-.LENDFDE3:
-
-#include "../../x86/kernel/vsyscall-note_32.S"
-
diff --git a/arch/x86/ia32/vsyscall-syscall.S b/arch/x86/ia32/vsyscall-syscall.S
deleted file mode 100644
index cf9ef678de3..00000000000
--- a/arch/x86/ia32/vsyscall-syscall.S
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Code for the vsyscall page. This version uses the syscall instruction.
- */
-
-#include <asm/ia32_unistd.h>
-#include <asm/asm-offsets.h>
-#include <asm/segment.h>
-
- .code32
- .text
- .section .text.vsyscall,"ax"
- .globl __kernel_vsyscall
- .type __kernel_vsyscall,@function
-__kernel_vsyscall:
-.LSTART_vsyscall:
- push %ebp
-.Lpush_ebp:
- movl %ecx, %ebp
- syscall
- movl $__USER32_DS, %ecx
- movl %ecx, %ss
- movl %ebp, %ecx
- popl %ebp
-.Lpop_ebp:
- ret
-.LEND_vsyscall:
- .size __kernel_vsyscall,.-.LSTART_vsyscall
-
- .section .eh_frame,"a",@progbits
-.LSTARTFRAME:
- .long .LENDCIE-.LSTARTCIE
-.LSTARTCIE:
- .long 0 /* CIE ID */
- .byte 1 /* Version number */
- .string "zR" /* NUL-terminated augmentation string */
- .uleb128 1 /* Code alignment factor */
- .sleb128 -4 /* Data alignment factor */
- .byte 8 /* Return address register column */
- .uleb128 1 /* Augmentation value length */
- .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
- .byte 0x0c /* DW_CFA_def_cfa */
- .uleb128 4
- .uleb128 4
- .byte 0x88 /* DW_CFA_offset, column 0x8 */
- .uleb128 1
- .align 4
-.LENDCIE:
-
- .long .LENDFDE1-.LSTARTFDE1 /* Length FDE */
-.LSTARTFDE1:
- .long .LSTARTFDE1-.LSTARTFRAME /* CIE pointer */
- .long .LSTART_vsyscall-. /* PC-relative start address */
- .long .LEND_vsyscall-.LSTART_vsyscall
- .uleb128 0 /* Augmentation length */
- /* What follows are the instructions for the table generation.
- We have to record all changes of the stack pointer. */
- .byte 0x40 + .Lpush_ebp-.LSTART_vsyscall /* DW_CFA_advance_loc */
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .uleb128 8
- .byte 0x85, 0x02 /* DW_CFA_offset %ebp -8 */
- .byte 0x40 + .Lpop_ebp-.Lpush_ebp /* DW_CFA_advance_loc */
- .byte 0xc5 /* DW_CFA_restore %ebp */
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .uleb128 4
- .align 4
-.LENDFDE1:
-
-#define SYSCALL_ENTER_KERNEL syscall
-#include "vsyscall-sigreturn.S"
diff --git a/arch/x86/ia32/vsyscall-sysenter.S b/arch/x86/ia32/vsyscall-sysenter.S
deleted file mode 100644
index ae056e553d1..00000000000
--- a/arch/x86/ia32/vsyscall-sysenter.S
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Code for the vsyscall page. This version uses the sysenter instruction.
- */
-
-#include <asm/ia32_unistd.h>
-#include <asm/asm-offsets.h>
-
- .code32
- .text
- .section .text.vsyscall,"ax"
- .globl __kernel_vsyscall
- .type __kernel_vsyscall,@function
-__kernel_vsyscall:
-.LSTART_vsyscall:
- push %ecx
-.Lpush_ecx:
- push %edx
-.Lpush_edx:
- push %ebp
-.Lenter_kernel:
- movl %esp,%ebp
- sysenter
- .space 7,0x90
- jmp .Lenter_kernel
- /* 16: System call normal return point is here! */
- pop %ebp
-.Lpop_ebp:
- pop %edx
-.Lpop_edx:
- pop %ecx
-.Lpop_ecx:
- ret
-.LEND_vsyscall:
- .size __kernel_vsyscall,.-.LSTART_vsyscall
-
- .section .eh_frame,"a",@progbits
-.LSTARTFRAME:
- .long .LENDCIE-.LSTARTCIE
-.LSTARTCIE:
- .long 0 /* CIE ID */
- .byte 1 /* Version number */
- .string "zR" /* NUL-terminated augmentation string */
- .uleb128 1 /* Code alignment factor */
- .sleb128 -4 /* Data alignment factor */
- .byte 8 /* Return address register column */
- .uleb128 1 /* Augmentation value length */
- .byte 0x1b /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
- .byte 0x0c /* DW_CFA_def_cfa */
- .uleb128 4
- .uleb128 4
- .byte 0x88 /* DW_CFA_offset, column 0x8 */
- .uleb128 1
- .align 4
-.LENDCIE:
-
- .long .LENDFDE1-.LSTARTFDE1 /* Length FDE */
-.LSTARTFDE1:
- .long .LSTARTFDE1-.LSTARTFRAME /* CIE pointer */
- .long .LSTART_vsyscall-. /* PC-relative start address */
- .long .LEND_vsyscall-.LSTART_vsyscall
- .uleb128 0 /* Augmentation length */
- /* What follows are the instructions for the table generation.
- We have to record all changes of the stack pointer. */
- .byte 0x04 /* DW_CFA_advance_loc4 */
- .long .Lpush_ecx-.LSTART_vsyscall
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .byte 0x08 /* RA at offset 8 now */
- .byte 0x04 /* DW_CFA_advance_loc4 */
- .long .Lpush_edx-.Lpush_ecx
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .byte 0x0c /* RA at offset 12 now */
- .byte 0x04 /* DW_CFA_advance_loc4 */
- .long .Lenter_kernel-.Lpush_edx
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .byte 0x10 /* RA at offset 16 now */
- .byte 0x85, 0x04 /* DW_CFA_offset %ebp -16 */
- /* Finally the epilogue. */
- .byte 0x04 /* DW_CFA_advance_loc4 */
- .long .Lpop_ebp-.Lenter_kernel
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .byte 0x12 /* RA at offset 12 now */
- .byte 0xc5 /* DW_CFA_restore %ebp */
- .byte 0x04 /* DW_CFA_advance_loc4 */
- .long .Lpop_edx-.Lpop_ebp
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .byte 0x08 /* RA at offset 8 now */
- .byte 0x04 /* DW_CFA_advance_loc4 */
- .long .Lpop_ecx-.Lpop_edx
- .byte 0x0e /* DW_CFA_def_cfa_offset */
- .byte 0x04 /* RA at offset 4 now */
- .align 4
-.LENDFDE1:
-
-#define SYSCALL_ENTER_KERNEL int $0x80
-#include "vsyscall-sigreturn.S"
diff --git a/arch/x86/ia32/vsyscall.lds b/arch/x86/ia32/vsyscall.lds
deleted file mode 100644
index 1dc86ff5bcb..00000000000
--- a/arch/x86/ia32/vsyscall.lds
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Linker script for vsyscall DSO. The vsyscall page is an ELF shared
- * object prelinked to its virtual address. This script controls its layout.
- */
-
-/* This must match <asm/fixmap.h>. */
-VSYSCALL_BASE = 0xffffe000;
-
-SECTIONS
-{
- . = VSYSCALL_BASE + SIZEOF_HEADERS;
-
- .hash : { *(.hash) } :text
- .gnu.hash : { *(.gnu.hash) }
- .dynsym : { *(.dynsym) }
- .dynstr : { *(.dynstr) }
- .gnu.version : { *(.gnu.version) }
- .gnu.version_d : { *(.gnu.version_d) }
- .gnu.version_r : { *(.gnu.version_r) }
-
- /* This linker script is used both with -r and with -shared.
- For the layouts to match, we need to skip more than enough
- space for the dynamic symbol table et al. If this amount
- is insufficient, ld -shared will barf. Just increase it here. */
- . = VSYSCALL_BASE + 0x400;
-
- .text.vsyscall : { *(.text.vsyscall) } :text =0x90909090
-
- /* This is an 32bit object and we cannot easily get the offsets
- into the 64bit kernel. Just hardcode them here. This assumes
- that all the stubs don't need more than 0x100 bytes. */
- . = VSYSCALL_BASE + 0x500;
-
- .text.sigreturn : { *(.text.sigreturn) } :text =0x90909090
-
- . = VSYSCALL_BASE + 0x600;
-
- .text.rtsigreturn : { *(.text.rtsigreturn) } :text =0x90909090
-
- .note : { *(.note.*) } :text :note
- .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
- .eh_frame : { KEEP (*(.eh_frame)) } :text
- .dynamic : { *(.dynamic) } :text :dynamic
- .useless : {
- *(.got.plt) *(.got)
- *(.data .data.* .gnu.linkonce.d.*)
- *(.dynbss)
- *(.bss .bss.* .gnu.linkonce.b.*)
- } :text
-}
-
-/*
- * We must supply the ELF program headers explicitly to get just one
- * PT_LOAD segment, and set the flags explicitly to make segments read-only.
- */
-PHDRS
-{
- text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
- dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
- note PT_NOTE FLAGS(4); /* PF_R */
- eh_frame_hdr 0x6474e550; /* PT_GNU_EH_FRAME, but ld doesn't match the name */
-}
-
-/*
- * This controls what symbols we export from the DSO.
- */
-VERSION
-{
- LINUX_2.5 {
- global:
- __kernel_vsyscall;
- __kernel_sigreturn;
- __kernel_rt_sigreturn;
-
- local: *;
- };
-}
-
-/* The ELF entry point can be used to set the AT_SYSINFO value. */
-ENTRY(__kernel_vsyscall);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-31 22:56:22 +0000