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| author | H.J. Lu <hongjiu.lu@intel.com> | 2012-03-13 17:07:50 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2012-03-13 10:07:50 -0700 |
| commit | f155bc649660e4ca1dce2f1237fecef68e662e3b (patch) | |
| tree | 32cdf864570823902c4c333d0cc26c7802ea8a07 | |
| parent | ff71e554beee40f627444101b9567b1868c24650 (diff) | |
| download | gcc-f155bc649660e4ca1dce2f1237fecef68e662e3b.zip gcc-f155bc649660e4ca1dce2f1237fecef68e662e3b.tar.gz gcc-f155bc649660e4ca1dce2f1237fecef68e662e3b.tar.bz2 | |
Assert DWARF register size <= saved reg size
2012-03-13 H.J. Lu <hongjiu.lu@intel.com>
* unwind-dw2.c (_Unwind_SetGRValue): Assert DWARF register size
<= saved reg size.
From-SVN: r185346
| -rw-r--r-- | libgcc/ChangeLog | 5 | ||||
| -rw-r--r-- | libgcc/unwind-dw2.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index ad7cc26..bcefebb 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2012-03-13 H.J. Lu <hongjiu.lu@intel.com> + + * unwind-dw2.c (_Unwind_SetGRValue): Assert DWARF register size + <= saved reg size. + 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * config/arm/crtn.S: Fix typo. diff --git a/libgcc/unwind-dw2.c b/libgcc/unwind-dw2.c index 475ad00..d1c62ee 100644 --- a/libgcc/unwind-dw2.c +++ b/libgcc/unwind-dw2.c @@ -294,7 +294,8 @@ _Unwind_SetGRValue (struct _Unwind_Context *context, int index, { index = DWARF_REG_TO_UNWIND_COLUMN (index); gcc_assert (index < (int) sizeof(dwarf_reg_size_table)); - gcc_assert (dwarf_reg_size_table[index] == sizeof (_Unwind_Context_Reg_Val)); + /* Return column size may be smaller than _Unwind_Context_Reg_Val. */ + gcc_assert (dwarf_reg_size_table[index] <= sizeof (_Unwind_Context_Reg_Val)); context->by_value[index] = 1; context->reg[index] = _Unwind_Get_Unwind_Context_Reg_Val (val); |