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um/x86: merge (and trim) 32- and 64-bit variants of ptrace.h

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-05-20 00:05:58 -04:00
parent c6802f4370
commit 243412be9c
13 changed files with 150 additions and 279 deletions
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2
arch/um/kernel/process.c
View File

@ -196,7 +196,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
if (current->thread.forking) {
memcpy(&p->thread.regs.regs, &regs->regs,
sizeof(p->thread.regs.regs));
REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.gp, 0);
UPT_SET_SYSCALL_RETURN(&p->thread.regs.regs, 0);
if (sp != 0)
REGS_SP(p->thread.regs.regs.gp) = sp;

2
arch/um/kernel/skas/syscall.c
View File

@ -34,7 +34,7 @@ void handle_syscall(struct uml_pt_regs *r)
result = -ENOSYS;
else result = EXECUTE_SYSCALL(syscall, regs);
REGS_SET_SYSCALL_RETURN(r->gp, result);
UPT_SET_SYSCALL_RETURN(r, result);
syscall_trace(r, 1);
}

42
arch/x86/um/asm/elf.h
View File

@ -34,25 +34,25 @@
#define ELF_ARCH EM_386
#define ELF_PLAT_INIT(regs, load_addr) do { \
PT_REGS_EBX(regs) = 0; \
PT_REGS_ECX(regs) = 0; \
PT_REGS_EDX(regs) = 0; \
PT_REGS_ESI(regs) = 0; \
PT_REGS_EDI(regs) = 0; \
PT_REGS_EBP(regs) = 0; \
PT_REGS_EAX(regs) = 0; \
PT_REGS_BX(regs) = 0; \
PT_REGS_CX(regs) = 0; \
PT_REGS_DX(regs) = 0; \
PT_REGS_SI(regs) = 0; \
PT_REGS_DI(regs) = 0; \
PT_REGS_BP(regs) = 0; \
PT_REGS_AX(regs) = 0; \
} while (0)
/* Shamelessly stolen from include/asm-i386/elf.h */
#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \
pr_reg[0] = PT_REGS_EBX(regs); \
pr_reg[1] = PT_REGS_ECX(regs); \
pr_reg[2] = PT_REGS_EDX(regs); \
pr_reg[3] = PT_REGS_ESI(regs); \
pr_reg[4] = PT_REGS_EDI(regs); \
pr_reg[5] = PT_REGS_EBP(regs); \
pr_reg[6] = PT_REGS_EAX(regs); \
pr_reg[0] = PT_REGS_BX(regs); \
pr_reg[1] = PT_REGS_CX(regs); \
pr_reg[2] = PT_REGS_DX(regs); \
pr_reg[3] = PT_REGS_SI(regs); \
pr_reg[4] = PT_REGS_DI(regs); \
pr_reg[5] = PT_REGS_BP(regs); \
pr_reg[6] = PT_REGS_AX(regs); \
pr_reg[7] = PT_REGS_DS(regs); \
pr_reg[8] = PT_REGS_ES(regs); \
/* fake once used fs and gs selectors? */ \
@ -130,13 +130,13 @@ do { \
#define ELF_ARCH EM_X86_64
#define ELF_PLAT_INIT(regs, load_addr) do { \
PT_REGS_RBX(regs) = 0; \
PT_REGS_RCX(regs) = 0; \
PT_REGS_RDX(regs) = 0; \
PT_REGS_RSI(regs) = 0; \
PT_REGS_RDI(regs) = 0; \
PT_REGS_RBP(regs) = 0; \
PT_REGS_RAX(regs) = 0; \
PT_REGS_BX(regs) = 0; \
PT_REGS_CX(regs) = 0; \
PT_REGS_DX(regs) = 0; \
PT_REGS_SI(regs) = 0; \
PT_REGS_DI(regs) = 0; \
PT_REGS_BP(regs) = 0; \
PT_REGS_AX(regs) = 0; \
PT_REGS_R8(regs) = 0; \
PT_REGS_R9(regs) = 0; \
PT_REGS_R10(regs) = 0; \

34
arch/x86/um/asm/ptrace.h
View File

@ -1,5 +1,39 @@
#ifndef __UM_X86_PTRACE_H
#define __UM_X86_PTRACE_H
#ifdef CONFIG_X86_32
# include "ptrace_32.h"
#else
# include "ptrace_64.h"
#endif
#define PT_REGS_AX(r) UPT_AX(&(r)->regs)
#define PT_REGS_BX(r) UPT_BX(&(r)->regs)
#define PT_REGS_CX(r) UPT_CX(&(r)->regs)
#define PT_REGS_DX(r) UPT_DX(&(r)->regs)
#define PT_REGS_SI(r) UPT_SI(&(r)->regs)
#define PT_REGS_DI(r) UPT_DI(&(r)->regs)
#define PT_REGS_BP(r) UPT_BP(&(r)->regs)
#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_AX(r)
#define PT_REGS_SYSCALL_RET(r) PT_REGS_AX(r)
#define PT_FIX_EXEC_STACK(sp) do ; while(0)
#define profile_pc(regs) PT_REGS_IP(regs)
#define UPT_RESTART_SYSCALL(r) (UPT_IP(r) -= 2)
#define UPT_SET_SYSCALL_RETURN(r, res) (UPT_AX(r) = (res))
static inline long regs_return_value(struct uml_pt_regs *regs)
{
return UPT_AX(regs);
}
#endif /* __UM_X86_PTRACE_H */

23
arch/x86/um/asm/ptrace_32.h
View File

@ -11,29 +11,6 @@
#include "linux/compiler.h"
#include "asm/ptrace-generic.h"
#define PT_REGS_EAX(r) UPT_EAX(&(r)->regs)
#define PT_REGS_EBX(r) UPT_EBX(&(r)->regs)
#define PT_REGS_ECX(r) UPT_ECX(&(r)->regs)
#define PT_REGS_EDX(r) UPT_EDX(&(r)->regs)
#define PT_REGS_ESI(r) UPT_ESI(&(r)->regs)
#define PT_REGS_EDI(r) UPT_EDI(&(r)->regs)
#define PT_REGS_EBP(r) UPT_EBP(&(r)->regs)
#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
#define PT_REGS_FS(r) UPT_FS(&(r)->regs)
#define PT_REGS_GS(r) UPT_GS(&(r)->regs)
#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_EAX(r)
#define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r)
#define PT_FIX_EXEC_STACK(sp) do ; while(0)
#define profile_pc(regs) PT_REGS_IP(regs)
#define user_mode(r) UPT_IS_USER(&(r)->regs)
/*

26
arch/x86/um/asm/ptrace_64.h
View File

@ -15,13 +15,6 @@
#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs)
#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs)
#define PT_REGS_RDX(r) UPT_RDX(&(r)->regs)
#define PT_REGS_RSI(r) UPT_RSI(&(r)->regs)
#define PT_REGS_RDI(r) UPT_RDI(&(r)->regs)
#define PT_REGS_RBP(r) UPT_RBP(&(r)->regs)
#define PT_REGS_RAX(r) UPT_RAX(&(r)->regs)
#define PT_REGS_R8(r) UPT_R8(&(r)->regs)
#define PT_REGS_R9(r) UPT_R9(&(r)->regs)
#define PT_REGS_R10(r) UPT_R10(&(r)->regs)
@ -31,27 +24,8 @@
#define PT_REGS_R14(r) UPT_R14(&(r)->regs)
#define PT_REGS_R15(r) UPT_R15(&(r)->regs)
#define PT_REGS_FS(r) UPT_FS(&(r)->regs)
#define PT_REGS_GS(r) UPT_GS(&(r)->regs)
#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
#define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs)
#define PT_REGS_RIP(r) UPT_IP(&(r)->regs)
#define PT_REGS_SP(r) UPT_SP(&(r)->regs)
#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
/* XXX */
#define user_mode(r) UPT_IS_USER(&(r)->regs)
#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r)
#define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r)
#define PT_FIX_EXEC_STACK(sp) do ; while(0)
#define profile_pc(regs) PT_REGS_IP(regs)
struct user_desc;

67
arch/x86/um/shared/sysdep/ptrace.h
View File

@ -1,15 +1,74 @@
#ifndef __SYSDEP_X86_PTRACE_H
#define __SYSDEP_X86_PTRACE_H
#include <generated/user_constants.h>
#include "sysdep/faultinfo.h"
#define MAX_REG_OFFSET (UM_FRAME_SIZE)
#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
#define REGS_IP(r) ((r)[HOST_IP])
#define REGS_SP(r) ((r)[HOST_SP])
#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])
#define REGS_AX(r) ((r)[HOST_AX])
#define REGS_BX(r) ((r)[HOST_BX])
#define REGS_CX(r) ((r)[HOST_CX])
#define REGS_DX(r) ((r)[HOST_DX])
#define REGS_SI(r) ((r)[HOST_SI])
#define REGS_DI(r) ((r)[HOST_DI])
#define REGS_BP(r) ((r)[HOST_BP])
#define REGS_CS(r) ((r)[HOST_CS])
#define REGS_SS(r) ((r)[HOST_SS])
#define REGS_DS(r) ((r)[HOST_DS])
#define REGS_ES(r) ((r)[HOST_ES])
#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_AX(r) REGS_AX((r)->gp)
#define UPT_BX(r) REGS_BX((r)->gp)
#define UPT_CX(r) REGS_CX((r)->gp)
#define UPT_DX(r) REGS_DX((r)->gp)
#define UPT_SI(r) REGS_SI((r)->gp)
#define UPT_DI(r) REGS_DI((r)->gp)
#define UPT_BP(r) REGS_BP((r)->gp)
#define UPT_CS(r) REGS_CS((r)->gp)
#define UPT_SS(r) REGS_SS((r)->gp)
#define UPT_DS(r) REGS_DS((r)->gp)
#define UPT_ES(r) REGS_ES((r)->gp)
#ifdef __i386__
#include "ptrace_32.h"
#else
#include "ptrace_64.h"
#endif
static inline long regs_return_value(struct uml_pt_regs *regs)
{
return UPT_SYSCALL_RET(regs);
}
struct syscall_args {
unsigned long args[6];
};
#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) } } )
struct uml_pt_regs {
unsigned long gp[MAX_REG_NR];
unsigned long fp[MAX_FP_NR];
struct faultinfo faultinfo;
long syscall;
int is_user;
};
#define EMPTY_UML_PT_REGS { }
#define UPT_SYSCALL_NR(r) ((r)->syscall)
#define UPT_FAULTINFO(r) (&(r)->faultinfo)
#define UPT_IS_USER(r) ((r)->is_user)
extern int user_context(unsigned long sp);
#endif /* __SYSDEP_X86_PTRACE_H */

92
arch/x86/um/shared/sysdep/ptrace_32.h
View File

@ -6,11 +6,7 @@
#ifndef __SYSDEP_I386_PTRACE_H
#define __SYSDEP_I386_PTRACE_H
#include <generated/user_constants.h>
#include "sysdep/faultinfo.h"
#define MAX_REG_NR (UM_FRAME_SIZE / sizeof(unsigned long))
#define MAX_REG_OFFSET (UM_FRAME_SIZE)
#define MAX_FP_NR HOST_FPX_SIZE
static inline void update_debugregs(int seq) {}
@ -24,90 +20,16 @@ void set_using_sysemu(int value);
int get_using_sysemu(void);
extern int sysemu_supported;
#define REGS_IP(r) ((r)[HOST_IP])
#define REGS_SP(r) ((r)[HOST_SP])
#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])
#define REGS_EAX(r) ((r)[HOST_AX])
#define REGS_EBX(r) ((r)[HOST_BX])
#define REGS_ECX(r) ((r)[HOST_CX])
#define REGS_EDX(r) ((r)[HOST_DX])
#define REGS_ESI(r) ((r)[HOST_SI])
#define REGS_EDI(r) ((r)[HOST_DI])
#define REGS_EBP(r) ((r)[HOST_BP])
#define REGS_CS(r) ((r)[HOST_CS])
#define REGS_SS(r) ((r)[HOST_SS])
#define REGS_DS(r) ((r)[HOST_DS])
#define REGS_ES(r) ((r)[HOST_ES])
#define REGS_FS(r) ((r)[HOST_FS])
#define REGS_GS(r) ((r)[HOST_GS])
#define REGS_SET_SYSCALL_RETURN(r, res) REGS_EAX(r) = (res)
#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r))
#ifndef PTRACE_SYSEMU_SINGLESTEP
#define PTRACE_SYSEMU_SINGLESTEP 32
#endif
struct uml_pt_regs {
unsigned long gp[MAX_REG_NR];
unsigned long fp[HOST_FPX_SIZE];
struct faultinfo faultinfo;
long syscall;
int is_user;
};
#define EMPTY_UML_PT_REGS { }
#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_EAX(r) REGS_EAX((r)->gp)
#define UPT_EBX(r) REGS_EBX((r)->gp)
#define UPT_ECX(r) REGS_ECX((r)->gp)
#define UPT_EDX(r) REGS_EDX((r)->gp)
#define UPT_ESI(r) REGS_ESI((r)->gp)
#define UPT_EDI(r) REGS_EDI((r)->gp)
#define UPT_EBP(r) REGS_EBP((r)->gp)
#define UPT_ORIG_EAX(r) ((r)->syscall)
#define UPT_CS(r) REGS_CS((r)->gp)
#define UPT_SS(r) REGS_SS((r)->gp)
#define UPT_DS(r) REGS_DS((r)->gp)
#define UPT_ES(r) REGS_ES((r)->gp)
#define UPT_FS(r) REGS_FS((r)->gp)
#define UPT_GS(r) REGS_GS((r)->gp)
#define UPT_SYSCALL_ARG1(r) UPT_EBX(r)
#define UPT_SYSCALL_ARG2(r) UPT_ECX(r)
#define UPT_SYSCALL_ARG3(r) UPT_EDX(r)
#define UPT_SYSCALL_ARG4(r) UPT_ESI(r)
#define UPT_SYSCALL_ARG5(r) UPT_EDI(r)
#define UPT_SYSCALL_ARG6(r) UPT_EBP(r)
extern int user_context(unsigned long sp);
#define UPT_IS_USER(r) ((r)->is_user)
struct syscall_args {
unsigned long args[6];
};
#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) } } )
#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp)
#define UPT_ORIG_SYSCALL(r) UPT_EAX(r)
#define UPT_SYSCALL_NR(r) UPT_ORIG_EAX(r)
#define UPT_SYSCALL_RET(r) UPT_EAX(r)
#define UPT_FAULTINFO(r) (&(r)->faultinfo)
#define UPT_SYSCALL_ARG1(r) UPT_BX(r)
#define UPT_SYSCALL_ARG2(r) UPT_CX(r)
#define UPT_SYSCALL_ARG3(r) UPT_DX(r)
#define UPT_SYSCALL_ARG4(r) UPT_SI(r)
#define UPT_SYSCALL_ARG5(r) UPT_DI(r)
#define UPT_SYSCALL_ARG6(r) UPT_BP(r)
extern void arch_init_registers(int pid);

101
arch/x86/um/shared/sysdep/ptrace_64.h
View File

@ -8,22 +8,8 @@
#ifndef __SYSDEP_X86_64_PTRACE_H
#define __SYSDEP_X86_64_PTRACE_H
#include <generated/user_constants.h>
#include "sysdep/faultinfo.h"
#define MAX_FP_NR HOST_FP_SIZE
#define MAX_REG_OFFSET (UM_FRAME_SIZE)
#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
#define REGS_IP(r) ((r)[HOST_IP])
#define REGS_SP(r) ((r)[HOST_SP])
#define REGS_RBX(r) ((r)[HOST_BX])
#define REGS_RCX(r) ((r)[HOST_CX])
#define REGS_RDX(r) ((r)[HOST_DX])
#define REGS_RSI(r) ((r)[HOST_SI])
#define REGS_RDI(r) ((r)[HOST_DI])
#define REGS_RBP(r) ((r)[HOST_BP])
#define REGS_RAX(r) ((r)[HOST_AX])
#define REGS_R8(r) ((r)[HOST_R8])
#define REGS_R9(r) ((r)[HOST_R9])
#define REGS_R10(r) ((r)[HOST_R10])
@ -32,9 +18,6 @@
#define REGS_R13(r) ((r)[HOST_R13])
#define REGS_R14(r) ((r)[HOST_R14])
#define REGS_R15(r) ((r)[HOST_R15])
#define REGS_CS(r) ((r)[HOST_CS])
#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])
#define REGS_SS(r) ((r)[HOST_SS])
#define HOST_FS_BASE 21
#define HOST_GS_BASE 22
@ -58,45 +41,6 @@
#define GS (HOST_GS * sizeof(long))
#endif
#define REGS_FS_BASE(r) ((r)[HOST_FS_BASE])
#define REGS_GS_BASE(r) ((r)[HOST_GS_BASE])
#define REGS_DS(r) ((r)[HOST_DS])
#define REGS_ES(r) ((r)[HOST_ES])
#define REGS_FS(r) ((r)[HOST_FS])
#define REGS_GS(r) ((r)[HOST_GS])
#define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_AX])
#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res)
#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r))
#define REGS_FAULT_ADDR(r) ((r)->fault_addr)
#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type)
#define REGS_TRAP(r) ((r)->trap_type)
#define REGS_ERR(r) ((r)->fault_type)
struct uml_pt_regs {
unsigned long gp[MAX_REG_NR];
unsigned long fp[HOST_FP_SIZE];
struct faultinfo faultinfo;
long syscall;
int is_user;
};
#define EMPTY_UML_PT_REGS { }
#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)
@ -105,51 +49,14 @@ struct uml_pt_regs {
#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) ((r)->is_user)
#define UPT_SYSCALL_ARG1(r) UPT_RDI(r)
#define UPT_SYSCALL_ARG2(r) UPT_RSI(r)
#define UPT_SYSCALL_ARG3(r) UPT_RDX(r)
#define UPT_SYSCALL_ARG1(r) UPT_DI(r)
#define UPT_SYSCALL_ARG2(r) UPT_SI(r)
#define UPT_SYSCALL_ARG3(r) UPT_DX(r)
#define UPT_SYSCALL_ARG4(r) UPT_R10(r)
#define UPT_SYSCALL_ARG5(r) UPT_R8(r)
#define UPT_SYSCALL_ARG6(r) UPT_R9(r)
struct syscall_args {
unsigned long args[6];
};
#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) } } )
#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp)
#define UPT_FAULTINFO(r) (&(r)->faultinfo)
static inline void arch_init_registers(int pid)
{
}

22
arch/x86/um/signal.c
View File

@ -413,9 +413,9 @@ int setup_signal_stack_sc(unsigned long stack_top, int sig,
PT_REGS_SP(regs) = (unsigned long) frame;
PT_REGS_IP(regs) = (unsigned long) ka->sa.sa_handler;
PT_REGS_EAX(regs) = (unsigned long) sig;
PT_REGS_EDX(regs) = (unsigned long) 0;
PT_REGS_ECX(regs) = (unsigned long) 0;
PT_REGS_AX(regs) = (unsigned long) sig;
PT_REGS_DX(regs) = (unsigned long) 0;
PT_REGS_CX(regs) = (unsigned long) 0;
if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
ptrace_notify(SIGTRAP);
@ -463,9 +463,9 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
PT_REGS_SP(regs) = (unsigned long) frame;
PT_REGS_IP(regs) = (unsigned long) ka->sa.sa_handler;
PT_REGS_EAX(regs) = (unsigned long) sig;
PT_REGS_EDX(regs) = (unsigned long) &frame->info;
PT_REGS_ECX(regs) = (unsigned long) &frame->uc;
PT_REGS_AX(regs) = (unsigned long) sig;
PT_REGS_DX(regs) = (unsigned long) &frame->info;
PT_REGS_CX(regs) = (unsigned long) &frame->uc;
if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
ptrace_notify(SIGTRAP);
@ -573,17 +573,17 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
}
PT_REGS_SP(regs) = (unsigned long) frame;
PT_REGS_RDI(regs) = sig;
PT_REGS_DI(regs) = sig;
/* In case the signal handler was declared without prototypes */
PT_REGS_RAX(regs) = 0;
PT_REGS_AX(regs) = 0;
/*
* This also works for non SA_SIGINFO handlers because they expect the
* next argument after the signal number on the stack.
*/
PT_REGS_RSI(regs) = (unsigned long) &frame->info;
PT_REGS_RDX(regs) = (unsigned long) &frame->uc;
PT_REGS_RIP(regs) = (unsigned long) ka->sa.sa_handler;
PT_REGS_SI(regs) = (unsigned long) &frame->info;
PT_REGS_DX(regs) = (unsigned long) &frame->uc;
PT_REGS_IP(regs) = (unsigned long) ka->sa.sa_handler;
out:
return err;
}

8
arch/x86/um/sysrq_32.c
View File

@ -23,12 +23,10 @@ void show_regs(struct pt_regs *regs)
printk(" EFLAGS: %08lx\n %s\n", PT_REGS_EFLAGS(regs),
print_tainted());
printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
PT_REGS_EAX(regs), PT_REGS_EBX(regs),
PT_REGS_ECX(regs),
PT_REGS_EDX(regs));
PT_REGS_AX(regs), PT_REGS_BX(regs),
PT_REGS_CX(regs), PT_REGS_DX(regs));
printk("ESI: %08lx EDI: %08lx EBP: %08lx",
PT_REGS_ESI(regs), PT_REGS_EDI(regs),
PT_REGS_EBP(regs));
PT_REGS_SI(regs), PT_REGS_DI(regs), PT_REGS_BP(regs));
printk(" DS: %04lx ES: %04lx\n",
0xffff & PT_REGS_DS(regs),
0xffff & PT_REGS_ES(regs));

8
arch/x86/um/sysrq_64.c
View File

@ -19,15 +19,15 @@ void __show_regs(struct pt_regs *regs)
printk(KERN_INFO "Pid: %d, comm: %.20s %s %s\n", task_pid_nr(current),
current->comm, print_tainted(), init_utsname()->release);
printk(KERN_INFO "RIP: %04lx:[<%016lx>]\n", PT_REGS_CS(regs) & 0xffff,
PT_REGS_RIP(regs));
PT_REGS_IP(regs));
printk(KERN_INFO "RSP: %016lx EFLAGS: %08lx\n", PT_REGS_SP(regs),
PT_REGS_EFLAGS(regs));
printk(KERN_INFO "RAX: %016lx RBX: %016lx RCX: %016lx\n",
PT_REGS_RAX(regs), PT_REGS_RBX(regs), PT_REGS_RCX(regs));
PT_REGS_AX(regs), PT_REGS_BX(regs), PT_REGS_CX(regs));
printk(KERN_INFO "RDX: %016lx RSI: %016lx RDI: %016lx\n",
PT_REGS_RDX(regs), PT_REGS_RSI(regs), PT_REGS_RDI(regs));
PT_REGS_DX(regs), PT_REGS_SI(regs), PT_REGS_DI(regs));
printk(KERN_INFO "RBP: %016lx R08: %016lx R09: %016lx\n",
PT_REGS_RBP(regs), PT_REGS_R8(regs), PT_REGS_R9(regs));
PT_REGS_BP(regs), PT_REGS_R8(regs), PT_REGS_R9(regs));
printk(KERN_INFO "R10: %016lx R11: %016lx R12: %016lx\n",
PT_REGS_R10(regs), PT_REGS_R11(regs), PT_REGS_R12(regs));
printk(KERN_INFO "R13: %016lx R14: %016lx R15: %016lx\n",

2
arch/x86/um/tls_32.c
View File

@ -219,7 +219,7 @@ int arch_copy_tls(struct task_struct *new)
int idx, ret = -EFAULT;
if (copy_from_user(&info,
(void __user *) UPT_ESI(&new->thread.regs.regs),
(void __user *) UPT_SI(&new->thread.regs.regs),
sizeof(info)))
goto out;