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authorMark Kettenis <kettenis@gnu.org>2003-08-17 23:16:44 +0000
committerMark Kettenis <kettenis@gnu.org>2003-08-17 23:16:44 +0000
commit99ab4326f1095f50d2991b6f633337e7d92e1134 (patch)
tree48985198141d7cff0a8324b397a9e76e7589e805 /gdb/i386-tdep.c
parentc8d5f0d664dcaafa5226142035a11cd80e665a0b (diff)
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* i386-tdep.c (i386_analyze_register_saves): Handle register saves
at the start of a frameless function. This probably fixes PR backtrace/1338.
Diffstat (limited to 'gdb/i386-tdep.c')
-rw-r--r--gdb/i386-tdep.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 2c7afca..9aa20d6 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -571,23 +571,22 @@ static CORE_ADDR
i386_analyze_register_saves (CORE_ADDR pc, CORE_ADDR current_pc,
struct i386_frame_cache *cache)
{
- if (cache->locals >= 0)
- {
- CORE_ADDR offset;
- unsigned char op;
- int i;
+ CORE_ADDR offset = 0;
+ unsigned char op;
+ int i;
- offset = - 4 - cache->locals;
- for (i = 0; i < 8 && pc < current_pc; i++)
- {
- op = read_memory_unsigned_integer (pc, 1);
- if (op < 0x50 || op > 0x57)
- break;
+ if (cache->locals > 0)
+ offset -= cache->locals;
+ for (i = 0; i < 8 && pc < current_pc; i++)
+ {
+ op = read_memory_unsigned_integer (pc, 1);
+ if (op < 0x50 || op > 0x57)
+ break;
- cache->saved_regs[op - 0x50] = offset;
- offset -= 4;
- pc++;
- }
+ offset -= 4;
+ cache->saved_regs[op - 0x50] = offset;
+ cache->sp_offset += 4;
+ pc++;
}
return pc;