binutils-gdb/split_x32_n.s at bf926894b63fef2559685909ea2e9f794648a256 - binutils-gdb - ClassFun

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mirror of https://sourceware.org/git/binutils-gdb.git synced 2024-12-22 08:43:33 +08:00

H.J. Lu 4fc1b9d43c Handle stack split for x32

X32 uses cmp %fs:NN,%esp, lea NN(%rsp),%r10d, lea NN(%rsp),%r11d,
instead of cmp %fs:NN,%rsp, lea NN(%rsp),%r10, lea NN(%rsp),%r11.
This patch handles it.

	PR gold/17729
	* configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32.
	(DEFAULT_TARGET_X32): Set for x32.
	* x86_64.cc (cmp_insn_32): New.
	(lea_r10_insn_32): Likewise.
	(lea_r11_insn_32): Likewise.
	(cmp_insn_64): Likewise.
	(lea_r10_insn_64): Likewise.
	(lea_r11_insn_64): Likewise.
	(Target_x86_64<size>::do_calls_non_split): Handle x32.
	* testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh.
	(check_DATA): Add split_x32 files.
	(split_x32_[1234n].o): New targets.
	(split_x32_[124]): New targets.
	(split_x32_[1234r].stdout): New targets.
	* testsuite/split_x32.sh: New file.
	* testsuite/split_x32_1.s: Likewise.
	* testsuite/split_x32_2.s: Likewise.
	* testsuite/split_x32_3.s: Likewise.
	* testsuite/split_x32_4.s: Likewise.
	* testsuite/split_x32_n.s: Likewise.
	* configure: Regenerated.
	* testsuite/Makefile.in: Likewise.

2015-01-06 15:38:25 -08:00

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 # split_x32_n.s: x32 specific, -fsplit-stack calling non-split
 	.text
 	.global	fn3
 	.type	fn3,@function
 fn3:
 	retq
 	.size	fn3,. - fn3
 	.section	.note.GNU-stack,"",@progbits