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| author | Seongbae Park <seongbae.park@gmail.com> | 2007-06-19 18:47:09 +0000 |
|---|---|---|
| committer | Seongbae Park <spark@gcc.gnu.org> | 2007-06-19 18:47:09 +0000 |
| commit | a3a531ecfec77a9b0f30e1bce0c529c543aae332 (patch) | |
| tree | 0ee8114b163c618f431defbc6de864561b2819a6 /gcc | |
| parent | 0f7c07751c7b29ab1e795bc26ff2b5159a945163 (diff) | |
| download | gcc-a3a531ecfec77a9b0f30e1bce0c529c543aae332.zip gcc-a3a531ecfec77a9b0f30e1bce0c529c543aae332.tar.gz gcc-a3a531ecfec77a9b0f30e1bce0c529c543aae332.tar.bz2 | |
arm.c (arm_get_frame_offsets): Set offsets->locals_base to avoid negative stack size.
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.
From-SVN: r125856
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/stack-corruption.c | 8 |
4 files changed, 20 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7fcbe6c..8308ee6 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 e316f6a..7cd2cad 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 dd2a1a4..8afda7f 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 0000000..3a63950 --- /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" } } */ |