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authorspark <spark@138bc75d-0d04-0410-961f-82ee72b054a4>2007-06-19 18:47:09 +0000
committerspark <spark@138bc75d-0d04-0410-961f-82ee72b054a4>2007-06-19 18:47:09 +0000
commita650636a6229f762a28f3316815082c269a10e7e (patch)
tree0ee8114b163c618f431defbc6de864561b2819a6 /gcc
parentdf09cc3d1e3f242132db7fb231731bb1185d25f2 (diff)
downloadgcc-a650636a6229f762a28f3316815082c269a10e7e.tar.gz
gcc/ChangeLog:
2007-06-19 Seongbae Park <seongbae.park@gmail.com> * config/arm/arm.c (arm_get_frame_offsets): Set offsets->locals_base to avoid negative stack size. (thumb1_expand_prologue): Assert on negative stack size. gcc/testsuite/ChangeLog: 2007-06-19 Seongbae Park <seongbae.park@gmail.com> * gcc.target/arm/stack-corruption.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125856 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/arm/arm.c2
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.target/arm/stack-corruption.c8
4 files changed, 20 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7fcbe6c51af..8308ee683c7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-06-19 Seongbae Park <seongbae.park@gmail.com>
+
+ * config/arm/arm.c (arm_get_frame_offsets): Set
+ offsets->locals_base to avoid negative stack size.
+ (thumb1_expand_prologue): Assert on negative stack size.
+
2007-04-11 Sebastian Pop <sebpop@gmail.com>
PR tree-optimization/32367
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index e316f6a4ede..7cd2cad6bf7 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -11101,6 +11101,7 @@ arm_get_frame_offsets (void)
if (leaf && frame_size == 0)
{
offsets->outgoing_args = offsets->soft_frame;
+ offsets->locals_base = offsets->soft_frame;
return offsets;
}
@@ -14662,6 +14663,7 @@ thumb1_expand_epilogue (void)
amount = offsets->locals_base - offsets->saved_regs;
}
+ gcc_assert (amount >= 0);
if (amount)
{
if (amount < 512)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dd2a1a40e2b..8afda7faf41 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2007-06-19 Seongbae Park <seongbae.park@gmail.com>
+
+ * gcc.target/arm/stack-corruption.c: New test.
+
2007-06-19 Richard Guenther <rguenther@suse.de>
* g++.dg/torture/pr30252.C: New testcase.
diff --git a/gcc/testsuite/gcc.target/arm/stack-corruption.c b/gcc/testsuite/gcc.target/arm/stack-corruption.c
new file mode 100644
index 00000000000..3a63950cc53
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/stack-corruption.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-O -mthumb -fno-omit-frame-pointer" } */
+
+int main() {
+ return 0;
+}
+
+/* { dg-final { scan-assembler-not "\tadd\tr7, sp, #8\n" } } */