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[binutils-gdb] Don't allow non-stack memory writes in the prologue for nios2.
- From: Sandra Loosemore <sandra at sourceware dot org>
- To: gdb-cvs at sourceware dot org
- Date: 30 Jul 2015 20:27:16 -0000
- Subject: [binutils-gdb] Don't allow non-stack memory writes in the prologue for nios2.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=e1b5381f1b24d2c6b1e254cf7e35f8a470394adc
commit e1b5381f1b24d2c6b1e254cf7e35f8a470394adc
Author: Sandra Loosemore <sandra@codesourcery.com>
Date: Thu Jul 30 13:26:03 2015 -0700
Don't allow non-stack memory writes in the prologue for nios2.
2015-07-30 Sandra Loosemore <sandra@codesourcery.com>
gdb/
* nios2-tdep.c (nios2_analyze_prologue): Do what the comment
already says and disallow non-stack memory writes in the prologue.
Diff:
---
gdb/ChangeLog | 5 +++++
gdb/nios2-tdep.c | 4 +---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 120148a..b52367e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2015-07-30 Sandra Loosemore <sandra@codesourcery.com>
+ * nios2-tdep.c (nios2_analyze_prologue): Do what the comment
+ already says and disallow non-stack memory writes in the prologue.
+
+2015-07-30 Sandra Loosemore <sandra@codesourcery.com>
+
* nios2-tdep.c (nios2_analyze_prologue): Update comments to
reflect how current GCC emits stack overflow checks. Match
both trap and break instructions for backward compatbility.
diff --git a/gdb/nios2-tdep.c b/gdb/nios2-tdep.c
index 1c5dcde..12056b5 100644
--- a/gdb/nios2-tdep.c
+++ b/gdb/nios2-tdep.c
@@ -935,9 +935,7 @@ nios2_analyze_prologue (struct gdbarch *gdbarch, const CORE_ADDR start_pc,
if (orig > 0
&& (value[rb].offset == 0
|| (orig == NIOS2_EA_REGNUM && value[rb].offset == -4))
- && ((value[ra].reg == NIOS2_SP_REGNUM
- && cache->reg_saved[orig].basereg != NIOS2_SP_REGNUM)
- || cache->reg_saved[orig].basereg == -1))
+ && value[ra].reg == NIOS2_SP_REGNUM)
{
if (pc < current_pc)
{