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-rw-r--r--contrib/asm686/match.S16
1 files changed, 15 insertions, 1 deletions
diff --git a/contrib/asm686/match.S b/contrib/asm686/match.S
index 06817e1..fa42109 100644
--- a/contrib/asm686/match.S
+++ b/contrib/asm686/match.S
@@ -83,17 +83,25 @@
.text
/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
+.cfi_sections .debug_frame
longest_match:
+.cfi_startproc
/* Save registers that the compiler may be using, and adjust %esp to */
/* make room for our stack frame. */
pushl %ebp
+ .cfi_def_cfa_offset 8
+ .cfi_offset ebp, -8
pushl %edi
+ .cfi_def_cfa_offset 12
pushl %esi
+ .cfi_def_cfa_offset 16
pushl %ebx
+ .cfi_def_cfa_offset 20
subl $LocalVarsSize, %esp
+ .cfi_def_cfa_offset LocalVarsSize+20
/* Retrieve the function arguments. %ecx will hold cur_match */
/* throughout the entire function. %edx will hold the pointer to the */
@@ -108,7 +116,7 @@ longest_match:
/* if (s->prev_length >= s->good_match) { */
/* chain_length >>= 2; */
/* } */
-
+
movl dsPrevLen(%edx), %eax
movl dsGoodMatch(%edx), %ebx
cmpl %ebx, %eax
@@ -336,8 +344,14 @@ LookaheadRet:
/* Restore the stack and return from whence we came. */
addl $LocalVarsSize, %esp
+ .cfi_def_cfa_offset 20
popl %ebx
+ .cfi_def_cfa_offset 16
popl %esi
+ .cfi_def_cfa_offset 12
popl %edi
+ .cfi_def_cfa_offset 8
popl %ebp
+ .cfi_def_cfa_offset 4
+.cfi_endproc
match_init: ret