1 files changed, 15 insertions, 1 deletions

diff --git a/contrib/asm686/match.S b/contrib/asm686/match.S
index 06817e1d..fa421092 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