diff options
author | Mark Shinwell <shinwell@codesourcery.com> | 2006-08-16 18:59:17 +0000 |
---|---|---|
committer | Mark Shinwell <shinwell@codesourcery.com> | 2006-08-16 18:59:17 +0000 |
commit | fe987a1fbb72f2fd298d6625e63520f2ef14fd93 (patch) | |
tree | fd2334655b06ee85a843980c0bf59d18d552d72b | |
parent | d19110c4a7c69de61e9aafa8d8fd9ca3e34089c8 (diff) |
gcc/
* config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
necessary places to pass the correct "number of registers" values
to _Unwind_VRS_Pop.
gcc/testsuite/
* g++.dg/eh/arm-vfp-unwind.C: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/csl/sourcerygxx-4_1@116186 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r-- | ChangeLog.csl | 10 | ||||
-rw-r--r-- | gcc/config/arm/pr-support.c | 8 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C | 39 |
3 files changed, 53 insertions, 4 deletions
diff --git a/ChangeLog.csl b/ChangeLog.csl index 143f24fe55f..37212b34154 100644 --- a/ChangeLog.csl +++ b/ChangeLog.csl @@ -1,3 +1,13 @@ +2006-08-16 Mark Shinwell <shinwell@codesourcery.com> + + gcc/ + * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in + necessary places to pass the correct "number of registers" values + to _Unwind_VRS_Pop. + + gcc/testsuite/ + * g++.dg/eh/arm-vfp-unwind.C: New test. + 2006-08-14 Richard Sandiford <richard@codesourcery.com> gcc/ diff --git a/gcc/config/arm/pr-support.c b/gcc/config/arm/pr-support.c index 072b4a98d5c..0e750bf3e09 100644 --- a/gcc/config/arm/pr-support.c +++ b/gcc/config/arm/pr-support.c @@ -224,7 +224,7 @@ __gnu_unwind_execute (_Unwind_Context * context, __gnu_unwind_state * uws) { /* Pop VFP registers with fldmx. */ op = next_unwind_byte (uws); - op = ((op & 0xf0) << 12) | (op & 0xf); + op = ((op & 0xf0) << 12) | ((op & 0xf) + 1); if (_Unwind_VRS_Pop (context, _UVRSC_VFP, op, _UVRSD_VFPX) != _UVRSR_OK) return _URC_FAILURE; @@ -253,7 +253,7 @@ __gnu_unwind_execute (_Unwind_Context * context, __gnu_unwind_state * uws) { /* Pop iWMMXt D registers. */ op = next_unwind_byte (uws); - op = ((op & 0xf0) << 12) | (op & 0xf); + op = ((op & 0xf0) << 12) | ((op & 0xf) + 1); if (_Unwind_VRS_Pop (context, _UVRSC_WMMXD, op, _UVRSD_UINT64) != _UVRSR_OK) return _URC_FAILURE; @@ -284,7 +284,7 @@ __gnu_unwind_execute (_Unwind_Context * context, __gnu_unwind_state * uws) { /* Pop FPA registers. */ op = next_unwind_byte (uws); - op = ((op & 0xf0) << 12) | (op & 0xf); + op = ((op & 0xf0) << 12) | ((op & 0xf) + 1); if (_Unwind_VRS_Pop (context, _UVRSC_FPA, op, _UVRSD_FPAX) != _UVRSR_OK) return _URC_FAILURE; @@ -294,7 +294,7 @@ __gnu_unwind_execute (_Unwind_Context * context, __gnu_unwind_state * uws) { /* Pop VFP registers with fldmd. */ op = next_unwind_byte (uws); - op = ((op & 0xf0) << 12) | (op & 0xf); + op = ((op & 0xf0) << 12) | ((op & 0xf) + 1); if (_Unwind_VRS_Pop (context, _UVRSC_VFP, op, _UVRSD_DOUBLE) != _UVRSR_OK) return _URC_FAILURE; diff --git a/gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C b/gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C new file mode 100644 index 00000000000..de9a4958224 --- /dev/null +++ b/gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C @@ -0,0 +1,39 @@ +/* { dg-require-effective-target arm32 } */ +/* { dg-do run } */ + +/* Test to catch off-by-one errors in arm/pr-support.c. */ + +#if defined (__VFP_FP__) && !defined (__SOFTFP__) + +#include <iostream> + +using namespace std; + +static void donkey () +{ + asm volatile ("fcpyd d9, %P0" : : "w" (1.2345) : "d9"); + throw 1; +} + +int main() +{ + try + { + donkey (); + } + catch (int foo) + { + return 0; + } + return 1; +} + +#else + +int main() +{ + return 0; +} + +#endif + |