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sysv.S (ffi_closure_SYSV): Use x29 as the main CFA reg; update cfi_rel_offset.

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libffi/

	* src/aarch64/sysv.S (ffi_closure_SYSV): Use x29 as the
	main CFA reg; update cfi_rel_offset.

From-SVN: r208515
This commit is contained in:
Yufeng Zhang 2014-03-12 16:18:29 +00:00 committed by Yufeng Zhang
parent 3d05d0c0fa
commit 5309143d87
2 changed files with 9 additions and 4 deletions
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5
libffi/ChangeLog
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@ -1,3 +1,8 @@
2014-03-12 Yufeng Zhang <yufeng.zhang@arm.com>
* src/aarch64/sysv.S (ffi_closure_SYSV): Use x29 as the
main CFA reg; update cfi_rel_offset.
2014-02-17 Eric Botcazou <ebotcazou@adacore.com>
PR libffi/60073

8
libffi/src/aarch64/sysv.S
View File

@ -231,13 +231,13 @@ ffi_closure_SYSV:
cfi_rel_offset (x30, 8)
mov x29, sp
cfi_def_cfa_register (x29)
sub sp, sp, #ffi_closure_SYSV_FS
cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
stp x21, x22, [x29, #-16]
cfi_rel_offset (x21, 0)
cfi_rel_offset (x22, 8)
cfi_rel_offset (x21, -16)
cfi_rel_offset (x22, -8)
/* Load x21 with &call_context. */
mov x21, sp
@ -295,7 +295,7 @@ ffi_closure_SYSV:
cfi_restore (x22)
mov sp, x29
cfi_adjust_cfa_offset (-ffi_closure_SYSV_FS)
cfi_def_cfa_register (sp)
ldp x29, x30, [sp], #16
cfi_adjust_cfa_offset (-16)