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FreeBSD expects _Unwind_GetGR, _Unwind_SetGR, and _Unwind_SetIP to be

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symbols and not macros. Make this so. This fixes a few ports that try to
link against these functions but fail as they previously didn't exist.
This commit is contained in:
Andrew Turner 2015-02-01 09:50:33 +00:00
parent cb46e6c2af
commit 573a66c3dc
2 changed files with 24 additions and 11 deletions
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8
contrib/gcc/config/arm/unwind-arm.c
View File

@ -25,6 +25,7 @@
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#define __ARM_STATIC_INLINE
#include "unwind.h"
/* We add a prototype for abort here to avoid creating a dependency on
@ -1089,4 +1090,11 @@ _Unwind_GetIPInfo (struct _Unwind_Context *context, int *ip_before_insn)
*ip_before_insn = 0;
return _Unwind_GetGR (context, 15) & ~(_Unwind_Word)1;
}
void
_Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val)
{
_Unwind_SetGR (context, 15, val | (_Unwind_GetGR (context, 15) & 1));
}
#endif

27
contrib/gcc/config/arm/unwind-arm.h
View File

@ -34,6 +34,10 @@
#define __ARM_EABI_UNWINDER__ 1
#ifndef __ARM_STATIC_INLINE
#define __ARM_STATIC_INLINE static inline
#endif
#ifdef __cplusplus
extern "C" {
#endif
@ -245,7 +249,7 @@ extern "C" {
return tmp;
}
static inline _Unwind_Word
__ARM_STATIC_INLINE _Unwind_Word
_Unwind_GetGR (_Unwind_Context *context, int regno)
{
_uw val;
@ -253,6 +257,12 @@ extern "C" {
return val;
}
__ARM_STATIC_INLINE void
_Unwind_SetGR (_Unwind_Context *context, int regno, _Unwind_Word val)
{
_Unwind_VRS_Set (context, _UVRSC_CORE, regno, _UVRSD_UINT32, &val);
}
#ifndef __FreeBSD__
/* Return the address of the instruction, not the actual IP value. */
#define _Unwind_GetIP(context) \
@ -260,21 +270,16 @@ extern "C" {
#define _Unwind_GetIPInfo(context, ip_before_insn) \
(*ip_before_insn = 0, _Unwind_GetGR (context, 15) & ~(_Unwind_Word)1)
#else
_Unwind_Ptr _Unwind_GetIP (struct _Unwind_Context *);
_Unwind_Ptr _Unwind_GetIPInfo (struct _Unwind_Context *, int *);
#endif
static inline void
_Unwind_SetGR (_Unwind_Context *context, int regno, _Unwind_Word val)
{
_Unwind_VRS_Set (context, _UVRSC_CORE, regno, _UVRSD_UINT32, &val);
}
/* The dwarf unwinder doesn't understand arm/thumb state. We assume the
landing pad uses the same instruction set as the call site. */
#define _Unwind_SetIP(context, val) \
_Unwind_SetGR (context, 15, val | (_Unwind_GetGR (context, 15) & 1))
#else
_Unwind_Ptr _Unwind_GetIP (struct _Unwind_Context *);
_Unwind_Ptr _Unwind_GetIPInfo (struct _Unwind_Context *, int *);
void _Unwind_SetIP (struct _Unwind_Context *, _Unwind_Ptr);
#endif
#ifdef __cplusplus
} /* extern "C" */