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Assert DWARF register size <= saved reg size

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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
This commit is contained in:
H.J. Lu 2012-03-13 17:07:50 +00:00 committed by H.J. Lu
parent ff71e554be
commit f155bc6496
2 changed files with 7 additions and 1 deletions
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5
libgcc/ChangeLog
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@ -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.

3
libgcc/unwind-dw2.c
View File

@ -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);