x86: use generic register names in struct sigcontext
Switch struct sigcontext (defined in <asm/sigcontext*.h>) to using
register names withut e- or r-prefixes for both 32- and 64-bit x86.
This is intended as a preliminary step in unifying this code between
architectures.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c
index a3a8be7..4fc24a6 100644
--- a/arch/x86/kernel/asm-offsets_32.c
+++ b/arch/x86/kernel/asm-offsets_32.c
@@ -38,15 +38,15 @@
void foo(void)
{
- OFFSET(IA32_SIGCONTEXT_eax, sigcontext, eax);
- OFFSET(IA32_SIGCONTEXT_ebx, sigcontext, ebx);
- OFFSET(IA32_SIGCONTEXT_ecx, sigcontext, ecx);
- OFFSET(IA32_SIGCONTEXT_edx, sigcontext, edx);
- OFFSET(IA32_SIGCONTEXT_esi, sigcontext, esi);
- OFFSET(IA32_SIGCONTEXT_edi, sigcontext, edi);
- OFFSET(IA32_SIGCONTEXT_ebp, sigcontext, ebp);
- OFFSET(IA32_SIGCONTEXT_esp, sigcontext, esp);
- OFFSET(IA32_SIGCONTEXT_eip, sigcontext, eip);
+ OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax);
+ OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx);
+ OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx);
+ OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx);
+ OFFSET(IA32_SIGCONTEXT_si, sigcontext, si);
+ OFFSET(IA32_SIGCONTEXT_di, sigcontext, di);
+ OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp);
+ OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp);
+ OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip);
BLANK();
OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 2e918eb..a054287 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -63,15 +63,15 @@
#undef ENTRY
#ifdef CONFIG_IA32_EMULATION
#define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry))
- ENTRY(eax);
- ENTRY(ebx);
- ENTRY(ecx);
- ENTRY(edx);
- ENTRY(esi);
- ENTRY(edi);
- ENTRY(ebp);
- ENTRY(esp);
- ENTRY(eip);
+ ENTRY(ax);
+ ENTRY(bx);
+ ENTRY(cx);
+ ENTRY(dx);
+ ENTRY(si);
+ ENTRY(di);
+ ENTRY(bp);
+ ENTRY(sp);
+ ENTRY(ip);
BLANK();
#undef ENTRY
DEFINE(IA32_RT_SIGFRAME_sigcontext,
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 40fd351..64cb3c0 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -105,7 +105,7 @@
/* Always make any pending restarted system calls return -EINTR */
current_thread_info()->restart_block.fn = do_no_restart_syscall;
-#define COPY(x) err |= __get_user(regs->x, &sc->e ## x)
+#define COPY(x) err |= __get_user(regs->x, &sc->x)
#define COPY_SEG(seg) \
{ unsigned short tmp; \
@@ -144,7 +144,7 @@
{
unsigned int tmpflags;
- err |= __get_user(tmpflags, &sc->eflags);
+ err |= __get_user(tmpflags, &sc->flags);
regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
regs->orig_ax = -1; /* disable syscall checks */
}
@@ -165,7 +165,7 @@
}
}
- err |= __get_user(*peax, &sc->eax);
+ err |= __get_user(*peax, &sc->ax);
return err;
badframe:
@@ -256,20 +256,20 @@
err |= __put_user(regs->es, (unsigned int __user *)&sc->es);
err |= __put_user(regs->ds, (unsigned int __user *)&sc->ds);
- err |= __put_user(regs->di, &sc->edi);
- err |= __put_user(regs->si, &sc->esi);
- err |= __put_user(regs->bp, &sc->ebp);
- err |= __put_user(regs->sp, &sc->esp);
- err |= __put_user(regs->bx, &sc->ebx);
- err |= __put_user(regs->dx, &sc->edx);
- err |= __put_user(regs->cx, &sc->ecx);
- err |= __put_user(regs->ax, &sc->eax);
+ err |= __put_user(regs->di, &sc->di);
+ err |= __put_user(regs->si, &sc->si);
+ err |= __put_user(regs->bp, &sc->bp);
+ err |= __put_user(regs->sp, &sc->sp);
+ err |= __put_user(regs->bx, &sc->bx);
+ err |= __put_user(regs->dx, &sc->dx);
+ err |= __put_user(regs->cx, &sc->cx);
+ err |= __put_user(regs->ax, &sc->ax);
err |= __put_user(current->thread.trap_no, &sc->trapno);
err |= __put_user(current->thread.error_code, &sc->err);
- err |= __put_user(regs->ip, &sc->eip);
+ err |= __put_user(regs->ip, &sc->ip);
err |= __put_user(regs->cs, (unsigned int __user *)&sc->cs);
- err |= __put_user(regs->flags, &sc->eflags);
- err |= __put_user(regs->sp, &sc->esp_at_signal);
+ err |= __put_user(regs->flags, &sc->flags);
+ err |= __put_user(regs->sp, &sc->sp_at_signal);
err |= __put_user(regs->ss, (unsigned int __user *)&sc->ss);
tmp = save_i387(fpstate);
diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 4b228fd..1c9bca5 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -62,11 +62,10 @@
/* Always make any pending restarted system calls return -EINTR */
current_thread_info()->restart_block.fn = do_no_restart_syscall;
-#define COPYR(x) err |= __get_user(regs->x, &sc->r ## x)
#define COPY(x) err |= __get_user(regs->x, &sc->x)
- COPYR(di); COPYR(si); COPYR(bp); COPYR(sp); COPYR(bx);
- COPYR(dx); COPYR(cx); COPYR(ip);
+ COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx);
+ COPY(dx); COPY(cx); COPY(ip);
COPY(r8);
COPY(r9);
COPY(r10);
@@ -87,7 +86,7 @@
{
unsigned int tmpflags;
- err |= __get_user(tmpflags, &sc->eflags);
+ err |= __get_user(tmpflags, &sc->flags);
regs->flags = (regs->flags & ~0x40DD5) | (tmpflags & 0x40DD5);
regs->orig_ax = -1; /* disable syscall checks */
}
@@ -109,7 +108,7 @@
}
}
- err |= __get_user(*prax, &sc->rax);
+ err |= __get_user(*prax, &sc->ax);
return err;
badframe:
@@ -166,14 +165,14 @@
err |= __put_user(0, &sc->gs);
err |= __put_user(0, &sc->fs);
- err |= __put_user(regs->di, &sc->rdi);
- err |= __put_user(regs->si, &sc->rsi);
- err |= __put_user(regs->bp, &sc->rbp);
- err |= __put_user(regs->sp, &sc->rsp);
- err |= __put_user(regs->bx, &sc->rbx);
- err |= __put_user(regs->dx, &sc->rdx);
- err |= __put_user(regs->cx, &sc->rcx);
- err |= __put_user(regs->ax, &sc->rax);
+ err |= __put_user(regs->di, &sc->di);
+ err |= __put_user(regs->si, &sc->si);
+ err |= __put_user(regs->bp, &sc->bp);
+ err |= __put_user(regs->sp, &sc->sp);
+ err |= __put_user(regs->bx, &sc->bx);
+ err |= __put_user(regs->dx, &sc->dx);
+ err |= __put_user(regs->cx, &sc->cx);
+ err |= __put_user(regs->ax, &sc->ax);
err |= __put_user(regs->r8, &sc->r8);
err |= __put_user(regs->r9, &sc->r9);
err |= __put_user(regs->r10, &sc->r10);
@@ -184,8 +183,8 @@
err |= __put_user(regs->r15, &sc->r15);
err |= __put_user(me->thread.trap_no, &sc->trapno);
err |= __put_user(me->thread.error_code, &sc->err);
- err |= __put_user(regs->ip, &sc->rip);
- err |= __put_user(regs->flags, &sc->eflags);
+ err |= __put_user(regs->ip, &sc->ip);
+ err |= __put_user(regs->flags, &sc->flags);
err |= __put_user(mask, &sc->oldmask);
err |= __put_user(me->thread.cr2, &sc->cr2);