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authorAndreas Jaeger <aj@suse.de>2003-06-15 19:40:29 +0000
committerAndreas Jaeger <aj@suse.de>2003-06-15 19:40:29 +0000
commit2b4500480e460c344b8def37c716328bf3b1d970 (patch)
tree5c5fdf39ef4b143d0acb800cbd46d7b2ef7864fb /sysdeps/x86_64/dl-machine.h
parent05c49e6f55dcae94f67c3d3d3de44fcc7ad5f699 (diff)
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* sysdeps/x86_64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE):
	Add CFI directives.
Diffstat (limited to 'sysdeps/x86_64/dl-machine.h')
-rw-r--r--sysdeps/x86_64/dl-machine.h33
1 files changed, 18 insertions, 15 deletions
diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h
index 964a4b422b..8017c51677 100644
--- a/sysdeps/x86_64/dl-machine.h
+++ b/sysdeps/x86_64/dl-machine.h
@@ -217,13 +217,15 @@ _dl_runtime_profile:\n\
 	" CFI_STARTPROC "\n\
 _dl_runtime_resolve:\n\
 _dl_runtime_profile:\n\
-	pushq %rax		# Preserve registers otherwise clobbered.\n\
-	pushq %rcx\n\
-	pushq %rdx\n\
-	pushq %rsi\n\
-	pushq %rdi\n\
-	pushq %r8\n\
-	pushq %r9\n\
+	subq $56,%rsp\n\
+	" CFI_ADJUST_CFA_OFFSET(72)" # Incorporate PLT\n\
+	movq %rax,(%rsp)	# Preserve registers otherwise clobbered.\n\
+	movq %rcx,8(%rsp)\n\
+	movq %rdx,16(%rsp)\n\
+	movq %rsi,24(%rsp)\n\
+	movq %rdi,32(%rsp)\n\
+	movq %r8,40(%rsp)\n\
+	movq %r9,48(%rsp)\n\
 	movq 64(%rsp), %rsi	# Copy args pushed by PLT in register.\n\
 	movq %rsi,%r11		# Multiply by 24\n\
 	addq %r11,%rsi\n\
@@ -232,14 +234,15 @@ _dl_runtime_profile:\n\
 	movq 56(%rsp), %rdi	# %rdi: link_map, %rsi: reloc_offset\n\
 	call fixup		# Call resolver.\n\
 	movq %rax, %r11		# Save return value\n\
-	popq %r9		# Get register content back.\n\
-	popq %r8\n\
-	popq %rdi\n\
-	popq %rsi\n\
-	popq %rdx\n\
-	popq %rcx\n\
-	popq %rax\n\
-	addq $16,%rsp		# Adjust stack\n\
+	movq 48(%rsp),%r9	# Get register content back.\n\
+	movq 40(%rsp),%r8\n\
+	movq 32(%rsp),%rdi\n\
+	movq 24(%rsp),%rsi\n\
+	movq 16(%rsp),%rdx\n\
+	movq 8(%rsp),%rcx\n\
+	movq (%rsp),%rax\n\
+	addq $72,%rsp		# Adjust stack\n\
+	" CFI_ADJUST_CFA_OFFSET(-72)"\n\
 	jmp *%r11		# Jump to function address.\n\
 	" CFI_ENDPROC "\n\
 	.size _dl_runtime_resolve, .-_dl_runtime_resolve\n\