aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMark Shinwell <shinwell@codesourcery.com>2006-08-16 18:59:17 +0000
committerMark Shinwell <shinwell@codesourcery.com>2006-08-16 18:59:17 +0000
commitfe987a1fbb72f2fd298d6625e63520f2ef14fd93 (patch)
treefd2334655b06ee85a843980c0bf59d18d552d72b
parentd19110c4a7c69de61e9aafa8d8fd9ca3e34089c8 (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.csl10
-rw-r--r--gcc/config/arm/pr-support.c8
-rw-r--r--gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C39
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
+