openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

x86_64: ia32_signal.c: use macro instead of immediate 

Make and use macro FIX_EFLAGS, instead of immediate value 0x40DD5 in
ia32_restore_sigcontext().

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Hiroshi Shimamoto 2008-07-14 15:34:09 -07:00 committed by Ingo Molnar
parent cdbfc557c4
commit fbdb7da91b
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/x86/ia32/ia32_signal.c
View File

@ -36,6 +36,11 @@
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
#define FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_OF | \
X86_EFLAGS_DF | X86_EFLAGS_TF | X86_EFLAGS_SF | \
X86_EFLAGS_ZF | X86_EFLAGS_AF | X86_EFLAGS_PF | \
X86_EFLAGS_CF)
asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset); asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset);
void signal_fault(struct pt_regs *regs, void __user *frame, char *where); void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
@ -248,7 +253,7 @@ static int ia32_restore_sigcontext(struct pt_regs *regs,
regs->ss |= 3; regs->ss |= 3;
err |= __get_user(tmpflags, &sc->flags); err |= __get_user(tmpflags, &sc->flags);
regs->flags = (regs->flags & ~0x40DD5) | (tmpflags & 0x40DD5); regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
/* disable syscall checks */ /* disable syscall checks */
regs->orig_ax = -1; regs->orig_ax = -1;