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[RFA] arm_skip_prologue: Recognize "sub sp, sp, #nn"
- From: Michael Snyder <msnyder at cygnus dot com>
- To: gdb-patches at sources dot redhat dot com
- Cc: cagney at redhat dot com, rearnsha at arm dot com
- Date: Mon, 22 Apr 2002 15:57:59 -0700
- Subject: [RFA] arm_skip_prologue: Recognize "sub sp, sp, #nn"
GCC sometimes follows the "sub fp, ip, #nn" instruction with a
"sub sp, sp, #nn".
2002-04-22 Michael Snyder <msnyder@redhat.com>
* arm-tdep.c (arm_skip_prologue): Recognize "sub sp, sp, #nn".
Index: arm-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/arm-tdep.c,v
retrieving revision 1.48
diff -p -r1.48 arm-tdep.c
*** arm-tdep.c 19 Feb 2002 19:20:31 -0000 1.48
--- arm-tdep.c 22 Apr 2002 23:07:12 -0000
*************** arm_skip_prologue (CORE_ADDR pc)
*** 477,482 ****
--- 477,488 ----
}
if ((inst & 0xfffff000) == 0xe24cb000) /* sub fp, ip, #nn */
+ {
+ skip_pc += 4;
+ inst = read_memory_integer (skip_pc, 4);
+ }
+
+ if ((inst & 0xfffff000) == 0xe24dd000) /* sub sp, sp, #nn */
skip_pc += 4;
return skip_pc;