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Use R*_LP on SP and PC in __longjmp.S and setjmp.S

This commit is contained in:
H.J. Lu 2012-05-15 12:46:04 -07:00
parent 9ea01d93f7
commit eda4170670
3 changed files with 14 additions and 9 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/__longjmp.S: Use R*_LP on SP and PC.
* sysdeps/x86_64/setjmp.S: Likewise.
2012-05-15 Adhemerval Zanella <azanella@linux.vnet.ibm.com> 2012-05-15 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c: New file. * sysdeps/ieee754/dbl-64/wordsize-64/e_log10.c: New file.

10
sysdeps/x86_64/__longjmp.S
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@ -25,13 +25,13 @@
.text .text
ENTRY(__longjmp) ENTRY(__longjmp)
/* Restore registers. */ /* Restore registers. */
movq (JB_RSP*8)(%rdi),%r8 mov (JB_RSP*8)(%rdi),%R8_LP
movq (JB_RBP*8)(%rdi),%r9 movq (JB_RBP*8)(%rdi),%r9
movq (JB_PC*8)(%rdi),%rdx mov (JB_PC*8)(%rdi),%RDX_LP
#ifdef PTR_DEMANGLE #ifdef PTR_DEMANGLE
PTR_DEMANGLE (%r8) PTR_DEMANGLE (%R8_LP)
PTR_DEMANGLE (%r9) PTR_DEMANGLE (%r9)
PTR_DEMANGLE (%rdx) PTR_DEMANGLE (%RDX_LP)
#endif #endif
/* We add unwind information for the target here. */ /* We add unwind information for the target here. */
cfi_def_cfa(%rdi, 0) cfi_def_cfa(%rdi, 0)
@ -50,7 +50,7 @@ ENTRY(__longjmp)
movq (JB_R15*8)(%rdi),%r15 movq (JB_R15*8)(%rdi),%r15
/* Set return value for setjmp. */ /* Set return value for setjmp. */
mov %esi, %eax mov %esi, %eax
movq %r8,%rsp mov %R8_LP,%RSP_LP
movq %r9,%rbp movq %r9,%rbp
jmpq *%rdx jmpq *%rdx
END (__longjmp) END (__longjmp)

8
sysdeps/x86_64/setjmp.S
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@ -34,14 +34,14 @@ ENTRY (__sigsetjmp)
movq %r13, (JB_R13*8)(%rdi) movq %r13, (JB_R13*8)(%rdi)
movq %r14, (JB_R14*8)(%rdi) movq %r14, (JB_R14*8)(%rdi)
movq %r15, (JB_R15*8)(%rdi) movq %r15, (JB_R15*8)(%rdi)
leaq 8(%rsp), %rdx /* Save SP as it will be after we return. */ lea 8(%rsp), %RDX_LP /* Save SP as it will be after we return. */
#ifdef PTR_MANGLE #ifdef PTR_MANGLE
PTR_MANGLE (%rdx) PTR_MANGLE (%RDX_LP)
#endif #endif
movq %rdx, (JB_RSP*8)(%rdi) movq %rdx, (JB_RSP*8)(%rdi)
movq (%rsp), %rax /* Save PC we are returning to now. */ mov (%rsp), %RAX_LP /* Save PC we are returning to now. */
#ifdef PTR_MANGLE #ifdef PTR_MANGLE
PTR_MANGLE (%rax) PTR_MANGLE (%RAX_LP)
#endif #endif
movq %rax, (JB_PC*8)(%rdi) movq %rax, (JB_PC*8)(%rdi)