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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 4d9af3172d9ff6594e90510ba3c46e522c54e767..3a2235e0abc3e18dec7862208364bb8de2d6916c 100644 (file)
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -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;
 

diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index f5173e1ec3ac0b7f7bf7ccfe86a2d5a63b60e3b8..05fbeb480e0b554f313185ef97a6482c61b4fb72 100644 (file)
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -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);
 }

diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h
index f3b0633b69a110b96a6de06060744f1535cdf781..0e07adc8cbe41b58b43d5d50ba20daf250294579 100644 (file)
--- a/arch/x86/um/asm/elf.h
+++ b/arch/x86/um/asm/elf.h
@@ -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; \

diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h
index c8aca8c501b0e4d2c106d77ca0e676192a435aaa..950dfb7b84173aed904594624f9c33bda6380ebf 100644 (file)
--- a/arch/x86/um/asm/ptrace.h
+++ b/arch/x86/um/asm/ptrace.h
@@ -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 */

diff --git a/arch/x86/um/asm/ptrace_32.h b/arch/x86/um/asm/ptrace_32.h
index 5d2a59112537b17fff28cb627747f5d33f48abb0..2cf225351b655df2259be924d54fc7f06632d5ac 100644 (file)
--- a/arch/x86/um/asm/ptrace_32.h
+++ b/arch/x86/um/asm/ptrace_32.h
@@ -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)
 
 /*

diff --git a/arch/x86/um/asm/ptrace_64.h b/arch/x86/um/asm/ptrace_64.h
index 706a0d80545c7c01d7c71dafa4c6765e0ad6dbb1..ea7bff39432029a1b030ce58ee4857ff2be06d83 100644 (file)
--- a/arch/x86/um/asm/ptrace_64.h
+++ b/arch/x86/um/asm/ptrace_64.h
@@ -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;
 

diff --git a/arch/x86/um/shared/sysdep/ptrace.h b/arch/x86/um/shared/sysdep/ptrace.h
index 2bbe1ec2d96ab1a4d8ae8ab540eae7f9360c2db4..6ce2d76eb9083daf283998775465b0b18cbb9c2f 100644 (file)
--- a/arch/x86/um/shared/sysdep/ptrace.h
+++ b/arch/x86/um/shared/sysdep/ptrace.h
@@ -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 */

diff --git a/arch/x86/um/shared/sysdep/ptrace_32.h b/arch/x86/um/shared/sysdep/ptrace_32.h
index befd1df32ed0ac65fe8ab829355d71191666e393..b94a108de1dc894e77c9e49310e4d0a12d177ce8 100644 (file)
--- a/arch/x86/um/shared/sysdep/ptrace_32.h
+++ b/arch/x86/um/shared/sysdep/ptrace_32.h
@@ -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);
 

diff --git a/arch/x86/um/shared/sysdep/ptrace_64.h b/arch/x86/um/shared/sysdep/ptrace_64.h
index 031edc53ac5704e9871065df305a79a4ac77c65d..919789f1071e472cc41eadbfb8c1a217a1badbb0 100644 (file)
--- a/arch/x86/um/shared/sysdep/ptrace_64.h
+++ b/arch/x86/um/shared/sysdep/ptrace_64.h
@@ -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)
 {
 }

diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c
index 72eafa6c6a526e0364959d437a4ab6b3e28c0374..35b283d3df0c33ea4e3a6c3003b145fc714c89e1 100644 (file)
--- a/arch/x86/um/signal.c
+++ b/arch/x86/um/signal.c
@@ -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;
 }

diff --git a/arch/x86/um/sysrq_32.c b/arch/x86/um/sysrq_32.c
index 171b3e9dc86777e54cb8a06a43a29e55bb810688..2d5cc51e9bef7c312c7e3837d07e3cde5180d4a0 100644 (file)
--- a/arch/x86/um/sysrq_32.c
+++ b/arch/x86/um/sysrq_32.c
@@ -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));

diff --git a/arch/x86/um/sysrq_64.c b/arch/x86/um/sysrq_64.c
index e8913436d7dc4d82dfec31f8566b2bebd37b11db..08258f17996926de8db8943c4fc1fdccbce38efa 100644 (file)
--- a/arch/x86/um/sysrq_64.c
+++ b/arch/x86/um/sysrq_64.c
@@ -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",

diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c
index c6c7131e563bcab77bf69cdfc1ef9160c8c6f9d4..baba84f8ecb8ad8783a00943d31002f35880a7d0 100644 (file)
--- a/arch/x86/um/tls_32.c
+++ b/arch/x86/um/tls_32.c
@@ -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;