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Diffstat (limited to 'arch/um/include/sysdep-x86_64/ptrace.h')
-rw-r--r--arch/um/include/sysdep-x86_64/ptrace.h277
1 files changed, 122 insertions, 155 deletions
diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h
index 62403bd9966..9ea44d111f3 100644
--- a/arch/um/include/sysdep-x86_64/ptrace.h
+++ b/arch/um/include/sysdep-x86_64/ptrace.h
@@ -1,5 +1,6 @@
/*
* Copyright 2003 PathScale, Inc.
+ * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*
* Licensed under the GPL
*/
@@ -14,11 +15,6 @@
#define MAX_REG_OFFSET (UM_FRAME_SIZE)
#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
-#ifdef UML_CONFIG_MODE_TT
-#include "sysdep/sc.h"
-#endif
-
-#ifdef UML_CONFIG_MODE_SKAS
#include "skas_ptregs.h"
#define REGS_IP(r) ((r)[HOST_IP])
@@ -88,78 +84,51 @@
#define REGS_ERR(r) ((r)->fault_type)
-#endif
-
-#include "choose-mode.h"
-
-/* XXX */
-union uml_pt_regs {
-#ifdef UML_CONFIG_MODE_TT
- struct tt_regs {
- long syscall;
- unsigned long orig_rax;
- void *sc;
- struct faultinfo faultinfo;
- } tt;
-#endif
-#ifdef UML_CONFIG_MODE_SKAS
- struct skas_regs {
- unsigned long regs[MAX_REG_NR];
- unsigned long fp[HOST_FP_SIZE];
- struct faultinfo faultinfo;
- long syscall;
- int is_user;
- } skas;
-#endif
+struct uml_pt_regs {
+ unsigned long gp[MAX_REG_NR];
+ struct faultinfo faultinfo;
+ long syscall;
+ int is_user;
};
#define EMPTY_UML_PT_REGS { }
-/* XXX */
-extern int mode_tt;
-
-#define UPT_RBX(r) __CHOOSE_MODE(SC_RBX(UPT_SC(r)), REGS_RBX((r)->skas.regs))
-#define UPT_RCX(r) __CHOOSE_MODE(SC_RCX(UPT_SC(r)), REGS_RCX((r)->skas.regs))
-#define UPT_RDX(r) __CHOOSE_MODE(SC_RDX(UPT_SC(r)), REGS_RDX((r)->skas.regs))
-#define UPT_RSI(r) __CHOOSE_MODE(SC_RSI(UPT_SC(r)), REGS_RSI((r)->skas.regs))
-#define UPT_RDI(r) __CHOOSE_MODE(SC_RDI(UPT_SC(r)), REGS_RDI((r)->skas.regs))
-#define UPT_RBP(r) __CHOOSE_MODE(SC_RBP(UPT_SC(r)), REGS_RBP((r)->skas.regs))
-#define UPT_RAX(r) __CHOOSE_MODE(SC_RAX(UPT_SC(r)), REGS_RAX((r)->skas.regs))
-#define UPT_R8(r) __CHOOSE_MODE(SC_R8(UPT_SC(r)), REGS_R8((r)->skas.regs))
-#define UPT_R9(r) __CHOOSE_MODE(SC_R9(UPT_SC(r)), REGS_R9((r)->skas.regs))
-#define UPT_R10(r) __CHOOSE_MODE(SC_R10(UPT_SC(r)), REGS_R10((r)->skas.regs))
-#define UPT_R11(r) __CHOOSE_MODE(SC_R11(UPT_SC(r)), REGS_R11((r)->skas.regs))
-#define UPT_R12(r) __CHOOSE_MODE(SC_R12(UPT_SC(r)), REGS_R12((r)->skas.regs))
-#define UPT_R13(r) __CHOOSE_MODE(SC_R13(UPT_SC(r)), REGS_R13((r)->skas.regs))
-#define UPT_R14(r) __CHOOSE_MODE(SC_R14(UPT_SC(r)), REGS_R14((r)->skas.regs))
-#define UPT_R15(r) __CHOOSE_MODE(SC_R15(UPT_SC(r)), REGS_R15((r)->skas.regs))
-#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
-#define UPT_FS_BASE(r) \
- __CHOOSE_MODE(SC_FS_BASE(UPT_SC(r)), REGS_FS_BASE((r)->skas.regs))
-#define UPT_FS(r) __CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs))
-#define UPT_GS_BASE(r) \
- __CHOOSE_MODE(SC_GS_BASE(UPT_SC(r)), REGS_GS_BASE((r)->skas.regs))
-#define UPT_GS(r) __CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs))
-#define UPT_DS(r) __CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs))
-#define UPT_ES(r) __CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs))
-#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
-#define UPT_SS(r) __CHOOSE_MODE(SC_SS(UPT_SC(r)), REGS_SS((r)->skas.regs))
-#define UPT_ORIG_RAX(r) \
- __CHOOSE_MODE((r)->tt.orig_rax, REGS_ORIG_RAX((r)->skas.regs))
-
-#define UPT_IP(r) __CHOOSE_MODE(SC_IP(UPT_SC(r)), REGS_IP((r)->skas.regs))
-#define UPT_SP(r) __CHOOSE_MODE(SC_SP(UPT_SC(r)), REGS_SP((r)->skas.regs))
-
-#define UPT_EFLAGS(r) \
- __CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs))
-#define UPT_SC(r) ((r)->tt.sc)
-#define UPT_SYSCALL_NR(r) __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall)
+#define UPT_RBX(r) REGS_RBX((r)->gp)
+#define UPT_RCX(r) REGS_RCX((r)->gp)
+#define UPT_RDX(r) REGS_RDX((r)->gp)
+#define UPT_RSI(r) REGS_RSI((r)->gp)
+#define UPT_RDI(r) REGS_RDI((r)->gp)
+#define UPT_RBP(r) REGS_RBP((r)->gp)
+#define UPT_RAX(r) REGS_RAX((r)->gp)
+#define UPT_R8(r) REGS_R8((r)->gp)
+#define UPT_R9(r) REGS_R9((r)->gp)
+#define UPT_R10(r) REGS_R10((r)->gp)
+#define UPT_R11(r) REGS_R11((r)->gp)
+#define UPT_R12(r) REGS_R12((r)->gp)
+#define UPT_R13(r) REGS_R13((r)->gp)
+#define UPT_R14(r) REGS_R14((r)->gp)
+#define UPT_R15(r) REGS_R15((r)->gp)
+#define UPT_CS(r) REGS_CS((r)->gp)
+#define UPT_FS_BASE(r) REGS_FS_BASE((r)->gp)
+#define UPT_FS(r) REGS_FS((r)->gp)
+#define UPT_GS_BASE(r) REGS_GS_BASE((r)->gp)
+#define UPT_GS(r) REGS_GS((r)->gp)
+#define UPT_DS(r) REGS_DS((r)->gp)
+#define UPT_ES(r) REGS_ES((r)->gp)
+#define UPT_CS(r) REGS_CS((r)->gp)
+#define UPT_SS(r) REGS_SS((r)->gp)
+#define UPT_ORIG_RAX(r) REGS_ORIG_RAX((r)->gp)
+
+#define UPT_IP(r) REGS_IP((r)->gp)
+#define UPT_SP(r) REGS_SP((r)->gp)
+
+#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp)
+#define UPT_SYSCALL_NR(r) ((r)->syscall)
#define UPT_SYSCALL_RET(r) UPT_RAX(r)
extern int user_context(unsigned long sp);
-#define UPT_IS_USER(r) \
- CHOOSE_MODE(user_context(UPT_SP(r)), (r)->skas.is_user)
+#define UPT_IS_USER(r) ((r)->is_user)
#define UPT_SYSCALL_ARG1(r) UPT_RDI(r)
#define UPT_SYSCALL_ARG2(r) UPT_RSI(r)
@@ -173,101 +142,99 @@ struct syscall_args {
};
#define SYSCALL_ARGS(r) ((struct syscall_args) \
- { .args = { UPT_SYSCALL_ARG1(r), \
- UPT_SYSCALL_ARG2(r), \
- UPT_SYSCALL_ARG3(r), \
- UPT_SYSCALL_ARG4(r), \
- UPT_SYSCALL_ARG5(r), \
- UPT_SYSCALL_ARG6(r) } } )
+ { .args = { UPT_SYSCALL_ARG1(r), \
+ UPT_SYSCALL_ARG2(r), \
+ UPT_SYSCALL_ARG3(r), \
+ UPT_SYSCALL_ARG4(r), \
+ UPT_SYSCALL_ARG5(r), \
+ UPT_SYSCALL_ARG6(r) } } )
#define UPT_REG(regs, reg) \
- ({ unsigned long val; \
- switch(reg){ \
- case R8: val = UPT_R8(regs); break; \
- case R9: val = UPT_R9(regs); break; \
- case R10: val = UPT_R10(regs); break; \
- case R11: val = UPT_R11(regs); break; \
- case R12: val = UPT_R12(regs); break; \
- case R13: val = UPT_R13(regs); break; \
- case R14: val = UPT_R14(regs); break; \
- case R15: val = UPT_R15(regs); break; \
- case RIP: val = UPT_IP(regs); break; \
- case RSP: val = UPT_SP(regs); break; \
- case RAX: val = UPT_RAX(regs); break; \
- case RBX: val = UPT_RBX(regs); break; \
- case RCX: val = UPT_RCX(regs); break; \
- case RDX: val = UPT_RDX(regs); break; \
- case RSI: val = UPT_RSI(regs); break; \
- case RDI: val = UPT_RDI(regs); break; \
- case RBP: val = UPT_RBP(regs); break; \
- case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \
- case CS: val = UPT_CS(regs); break; \
- case SS: val = UPT_SS(regs); break; \
- case FS_BASE: val = UPT_FS_BASE(regs); break; \
- case GS_BASE: val = UPT_GS_BASE(regs); break; \
- case DS: val = UPT_DS(regs); break; \
- case ES: val = UPT_ES(regs); break; \
- case FS : val = UPT_FS (regs); break; \
- case GS: val = UPT_GS(regs); break; \
- case EFLAGS: val = UPT_EFLAGS(regs); break; \
- default : \
- panic("Bad register in UPT_REG : %d\n", reg); \
- val = -1; \
- } \
- val; \
- })
+ ({ unsigned long val; \
+ switch(reg){ \
+ case R8: val = UPT_R8(regs); break; \
+ case R9: val = UPT_R9(regs); break; \
+ case R10: val = UPT_R10(regs); break; \
+ case R11: val = UPT_R11(regs); break; \
+ case R12: val = UPT_R12(regs); break; \
+ case R13: val = UPT_R13(regs); break; \
+ case R14: val = UPT_R14(regs); break; \
+ case R15: val = UPT_R15(regs); break; \
+ case RIP: val = UPT_IP(regs); break; \
+ case RSP: val = UPT_SP(regs); break; \
+ case RAX: val = UPT_RAX(regs); break; \
+ case RBX: val = UPT_RBX(regs); break; \
+ case RCX: val = UPT_RCX(regs); break; \
+ case RDX: val = UPT_RDX(regs); break; \
+ case RSI: val = UPT_RSI(regs); break; \
+ case RDI: val = UPT_RDI(regs); break; \
+ case RBP: val = UPT_RBP(regs); break; \
+ case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \
+ case CS: val = UPT_CS(regs); break; \
+ case SS: val = UPT_SS(regs); break; \
+ case FS_BASE: val = UPT_FS_BASE(regs); break; \
+ case GS_BASE: val = UPT_GS_BASE(regs); break; \
+ case DS: val = UPT_DS(regs); break; \
+ case ES: val = UPT_ES(regs); break; \
+ case FS : val = UPT_FS (regs); break; \
+ case GS: val = UPT_GS(regs); break; \
+ case EFLAGS: val = UPT_EFLAGS(regs); break; \
+ default : \
+ panic("Bad register in UPT_REG : %d\n", reg); \
+ val = -1; \
+ } \
+ val; \
+ })
#define UPT_SET(regs, reg, val) \
- ({ unsigned long __upt_val = val; \
- switch(reg){ \
- case R8: UPT_R8(regs) = __upt_val; break; \
- case R9: UPT_R9(regs) = __upt_val; break; \
- case R10: UPT_R10(regs) = __upt_val; break; \
- case R11: UPT_R11(regs) = __upt_val; break; \
- case R12: UPT_R12(regs) = __upt_val; break; \
- case R13: UPT_R13(regs) = __upt_val; break; \
- case R14: UPT_R14(regs) = __upt_val; break; \
- case R15: UPT_R15(regs) = __upt_val; break; \
- case RIP: UPT_IP(regs) = __upt_val; break; \
- case RSP: UPT_SP(regs) = __upt_val; break; \
- case RAX: UPT_RAX(regs) = __upt_val; break; \
- case RBX: UPT_RBX(regs) = __upt_val; break; \
- case RCX: UPT_RCX(regs) = __upt_val; break; \
- case RDX: UPT_RDX(regs) = __upt_val; break; \
- case RSI: UPT_RSI(regs) = __upt_val; break; \
- case RDI: UPT_RDI(regs) = __upt_val; break; \
- case RBP: UPT_RBP(regs) = __upt_val; break; \
- case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \
- case CS: UPT_CS(regs) = __upt_val; break; \
- case SS: UPT_SS(regs) = __upt_val; break; \
- case FS_BASE: UPT_FS_BASE(regs) = __upt_val; break; \
- case GS_BASE: UPT_GS_BASE(regs) = __upt_val; break; \
- case DS: UPT_DS(regs) = __upt_val; break; \
- case ES: UPT_ES(regs) = __upt_val; break; \
- case FS: UPT_FS(regs) = __upt_val; break; \
- case GS: UPT_GS(regs) = __upt_val; break; \
- case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \
- default : \
- panic("Bad register in UPT_SET : %d\n", reg); \
- break; \
- } \
- __upt_val; \
- })
+ ({ unsigned long __upt_val = val; \
+ switch(reg){ \
+ case R8: UPT_R8(regs) = __upt_val; break; \
+ case R9: UPT_R9(regs) = __upt_val; break; \
+ case R10: UPT_R10(regs) = __upt_val; break; \
+ case R11: UPT_R11(regs) = __upt_val; break; \
+ case R12: UPT_R12(regs) = __upt_val; break; \
+ case R13: UPT_R13(regs) = __upt_val; break; \
+ case R14: UPT_R14(regs) = __upt_val; break; \
+ case R15: UPT_R15(regs) = __upt_val; break; \
+ case RIP: UPT_IP(regs) = __upt_val; break; \
+ case RSP: UPT_SP(regs) = __upt_val; break; \
+ case RAX: UPT_RAX(regs) = __upt_val; break; \
+ case RBX: UPT_RBX(regs) = __upt_val; break; \
+ case RCX: UPT_RCX(regs) = __upt_val; break; \
+ case RDX: UPT_RDX(regs) = __upt_val; break; \
+ case RSI: UPT_RSI(regs) = __upt_val; break; \
+ case RDI: UPT_RDI(regs) = __upt_val; break; \
+ case RBP: UPT_RBP(regs) = __upt_val; break; \
+ case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \
+ case CS: UPT_CS(regs) = __upt_val; break; \
+ case SS: UPT_SS(regs) = __upt_val; break; \
+ case FS_BASE: UPT_FS_BASE(regs) = __upt_val; break; \
+ case GS_BASE: UPT_GS_BASE(regs) = __upt_val; break; \
+ case DS: UPT_DS(regs) = __upt_val; break; \
+ case ES: UPT_ES(regs) = __upt_val; break; \
+ case FS: UPT_FS(regs) = __upt_val; break; \
+ case GS: UPT_GS(regs) = __upt_val; break; \
+ case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \
+ default : \
+ panic("Bad register in UPT_SET : %d\n", reg); \
+ break; \
+ } \
+ __upt_val; \
+ })
#define UPT_SET_SYSCALL_RETURN(r, res) \
- CHOOSE_MODE(SC_SET_SYSCALL_RETURN(UPT_SC(r), (res)), \
- REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res)))
+ REGS_SET_SYSCALL_RETURN((r)->regs, (res))
+
+#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp)
-#define UPT_RESTART_SYSCALL(r) \
- CHOOSE_MODE(SC_RESTART_SYSCALL(UPT_SC(r)), \
- REGS_RESTART_SYSCALL((r)->skas.regs))
+#define UPT_SEGV_IS_FIXABLE(r) REGS_SEGV_IS_FIXABLE(&r->skas)
-#define UPT_SEGV_IS_FIXABLE(r) \
- CHOOSE_MODE(SC_SEGV_IS_FIXABLE(UPT_SC(r)), \
- REGS_SEGV_IS_FIXABLE(&r->skas))
+#define UPT_FAULTINFO(r) (&(r)->faultinfo)
-#define UPT_FAULTINFO(r) \
- CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo))
+static inline void arch_init_registers(int pid)
+{
+}
#endif
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