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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:29:39 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:29:39 -0800
commitf3aafa6c2535d36542a6dfc8647cd2fdb5999648 (patch)
tree6d0ffd38855ffe3710a05b169587438447ebebc0 /include/asm-sparc64
parent3668805a544a6229d6135a4427b8dfe7c343b61f (diff)
parent48c946a482661d8466cd24bae5df749147ff1b1d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC64]: Make use of the new fs/compat_binfmt_elf.c [SPARC64]: Make use of compat_sys_ptrace() Manually fixed trivial delete/modift conflict in arch/sparc64/kernel/binfmt_elf32.c
Diffstat (limited to 'include/asm-sparc64')
-rw-r--r--include/asm-sparc64/elf.h59
-rw-r--r--include/asm-sparc64/ptrace.h2
2 files changed, 53 insertions, 8 deletions
diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h
index 272a65873f2..11c8e68d712 100644
--- a/include/asm-sparc64/elf.h
+++ b/include/asm-sparc64/elf.h
@@ -75,7 +75,6 @@
/*
* These are used to set parameters in the core dumps.
*/
-#ifndef ELF_ARCH
#define ELF_ARCH EM_SPARCV9
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2MSB
@@ -100,14 +99,59 @@ typedef struct {
unsigned long pr_gsr;
unsigned long pr_fprs;
} elf_fpregset_t;
-#endif
+
+/* Format of 32-bit elf_gregset_t is:
+ * G0 --> G7
+ * O0 --> O7
+ * L0 --> L7
+ * I0 --> I7
+ * PSR, PC, nPC, Y, WIM, TBR
+ */
+typedef unsigned int compat_elf_greg_t;
+#define COMPAT_ELF_NGREG 38
+typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
+
+typedef struct {
+ union {
+ unsigned int pr_regs[32];
+ unsigned long pr_dregs[16];
+ } pr_fr;
+ unsigned int __unused;
+ unsigned int pr_fsr;
+ unsigned char pr_qcnt;
+ unsigned char pr_q_entrysize;
+ unsigned char pr_en;
+ unsigned int pr_q[64];
+} compat_elf_fpregset_t;
+
+/* UltraSparc extensions. Still unused, but will be eventually. */
+typedef struct {
+ unsigned int pr_type;
+ unsigned int pr_align;
+ union {
+ struct {
+ union {
+ unsigned int pr_regs[32];
+ unsigned long pr_dregs[16];
+ long double pr_qregs[8];
+ } pr_xfr;
+ } pr_v8p;
+ unsigned int pr_xfsr;
+ unsigned int pr_fprs;
+ unsigned int pr_xg[8];
+ unsigned int pr_xo[8];
+ unsigned long pr_tstate;
+ unsigned int pr_filler[8];
+ } pr_un;
+} elf_xregset_t;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
-#ifndef elf_check_arch
-#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH) /* Might be EM_SPARCV9 or EM_SPARC */
-#endif
+#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
+#define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \
+ (x)->e_machine == EM_SPARC32PLUS)
+#define compat_start_thread start_thread32
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE PAGE_SIZE
@@ -117,9 +161,8 @@ typedef struct {
the loader. We need to make sure that it is out of the way of the program
that it will "exec", and that there is sufficient room for the brk. */
-#ifndef ELF_ET_DYN_BASE
-#define ELF_ET_DYN_BASE 0x0000010000000000UL
-#endif
+#define ELF_ET_DYN_BASE 0x0000010000000000UL
+#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
/* This yields a mask that user programs can use to figure out what
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 734a767f0a4..8617c3a5143 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -95,6 +95,8 @@ struct sparc_trapf {
#ifdef __KERNEL__
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
#define force_successful_syscall_return() \
do { current_thread_info()->syscall_noerror = 1; \
} while (0)