m2-internship/libunwind-eh_elf
1
0
Fork 0
mirror of https://github.com/tobast/libunwind-eh_elf.git synced 2024-11-29 02:07:39 +01:00
Code Issues Releases Activity

Add unwind descriptors to getcontext.S

Browse source
This commit is contained in:
Arun Sharma 2010-04-28 16:32:30 -07:00 committed by Arun Sharma
parent 045c55b2a2
commit 215afa30b7
4 changed files with 9 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/x86/getcontext-freebsd.S
View file

@ -27,6 +27,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
.global _Ux86_getcontext .global _Ux86_getcontext
.type _Ux86_getcontext, @function .type _Ux86_getcontext, @function
_Ux86_getcontext: _Ux86_getcontext:
.cfi_startproc
pushl %eax pushl %eax
mov 8(%esp),%eax /* ucontext_t* */ mov 8(%esp),%eax /* ucontext_t* */
popl FREEBSD_UC_MCONTEXT_EAX_OFF(%eax) popl FREEBSD_UC_MCONTEXT_EAX_OFF(%eax)
@ -81,6 +82,7 @@ _Ux86_getcontext:
xorl %eax, %eax xorl %eax, %eax
ret ret
.cfi_endproc
.size _Ux86_getcontext, . - _Ux86_getcontext .size _Ux86_getcontext, . - _Ux86_getcontext
/* We do not need executable stack. */ /* We do not need executable stack. */

2
src/x86/getcontext-linux.S
View file

@ -36,6 +36,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
.global _Ux86_getcontext .global _Ux86_getcontext
.type _Ux86_getcontext, @function .type _Ux86_getcontext, @function
_Ux86_getcontext: _Ux86_getcontext:
.cfi_startproc
mov 4(%esp),%eax /* ucontext_t* */ mov 4(%esp),%eax /* ucontext_t* */
/* EAX is not preserved. */ /* EAX is not preserved. */
@ -66,6 +67,7 @@ _Ux86_getcontext:
xor %eax, %eax xor %eax, %eax
ret ret
.cfi_endproc
.size _Ux86_getcontext, . - _Ux86_getcontext .size _Ux86_getcontext, . - _Ux86_getcontext
/* We do not need executable stack. */ /* We do not need executable stack. */

4
src/x86_64/getcontext.S
View file

@ -37,6 +37,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
.global _Ux86_64_getcontext .global _Ux86_64_getcontext
.type _Ux86_64_getcontext, @function .type _Ux86_64_getcontext, @function
_Ux86_64_getcontext: _Ux86_64_getcontext:
.cfi_startproc
/* Callee saved: RBX, RBP, R12-R15 */ /* Callee saved: RBX, RBP, R12-R15 */
movq %r12, UC_MCONTEXT_GREGS_R12(%rdi) movq %r12, UC_MCONTEXT_GREGS_R12(%rdi)
@ -70,7 +71,9 @@ _Ux86_64_getcontext:
/* Save rflags and segment registers, so that sigreturn(2) /* Save rflags and segment registers, so that sigreturn(2)
does not complain. */ does not complain. */
pushfq pushfq
.cfi_adjust_cfa_offset 8
popq UC_MCONTEXT_RFLAGS(%rdi) popq UC_MCONTEXT_RFLAGS(%rdi)
.cfi_adjust_cfa_offset -8
movl $0, UC_MCONTEXT_FLAGS(%rdi) movl $0, UC_MCONTEXT_FLAGS(%rdi)
movw %cs, UC_MCONTEXT_CS(%rdi) movw %cs, UC_MCONTEXT_CS(%rdi)
movw %ss, UC_MCONTEXT_SS(%rdi) movw %ss, UC_MCONTEXT_SS(%rdi)
@ -95,6 +98,7 @@ _Ux86_64_getcontext:
xorq %rax, %rax xorq %rax, %rax
retq retq
.cfi_endproc
.size _Ux86_64_getcontext, . - _Ux86_64_getcontext .size _Ux86_64_getcontext, . - _Ux86_64_getcontext
/* We do not need executable stack. */ /* We do not need executable stack. */

2
tests/run-ptrace-mapper
View file

@ -1,2 +1,2 @@
#!/bin/sh #!/bin/sh
./test-ptrace -c -n -t ./mapper ./test-ptrace -c -n -t ./mapper $*