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-rw-r--r--src/Unwind-EHABI.cpp221
1 files changed, 101 insertions, 120 deletions
diff --git a/src/Unwind-EHABI.cpp b/src/Unwind-EHABI.cpp
index bc3df41..109b272 100644
--- a/src/Unwind-EHABI.cpp
+++ b/src/Unwind-EHABI.cpp
@@ -12,7 +12,7 @@
#include "Unwind-EHABI.h"
-#if _LIBUNWIND_ARM_EHABI
+#if defined(_LIBUNWIND_ARM_EHABI)
#include <stdbool.h>
#include <stdint.h>
@@ -245,11 +245,9 @@ decode_eht_entry(const uint32_t* data, size_t* off, size_t* len) {
return data;
}
-_Unwind_Reason_Code _Unwind_VRS_Interpret(
- _Unwind_Context* context,
- const uint32_t* data,
- size_t offset,
- size_t len) {
+_LIBUNWIND_EXPORT _Unwind_Reason_Code
+_Unwind_VRS_Interpret(_Unwind_Context *context, const uint32_t *data,
+ size_t offset, size_t len) {
bool wrotePC = false;
bool finish = false;
while (offset < len && !finish) {
@@ -351,6 +349,7 @@ _Unwind_Reason_Code _Unwind_VRS_Interpret(
}
case 0xc0: {
switch (byte) {
+#if defined(__ARM_WMMX)
case 0xc0:
case 0xc1:
case 0xc2:
@@ -378,6 +377,7 @@ _Unwind_Reason_Code _Unwind_VRS_Interpret(
_Unwind_VRS_Pop(context, _UVRSC_WMMXC, v, _UVRSD_DOUBLE);
break;
}
+#endif
case 0xc8:
case 0xc9: {
uint8_t v = getByte(data, offset++);
@@ -416,63 +416,42 @@ _Unwind_Reason_Code _Unwind_VRS_Interpret(
return _URC_CONTINUE_UNWIND;
}
-extern "C" _Unwind_Reason_Code __aeabi_unwind_cpp_pr0(
- _Unwind_State state,
- _Unwind_Control_Block *ucbp,
- _Unwind_Context *context) {
+extern "C" _LIBUNWIND_EXPORT _Unwind_Reason_Code
+__aeabi_unwind_cpp_pr0(_Unwind_State state, _Unwind_Control_Block *ucbp,
+ _Unwind_Context *context) {
return unwindOneFrame(state, ucbp, context);
}
-extern "C" _Unwind_Reason_Code __aeabi_unwind_cpp_pr1(
- _Unwind_State state,
- _Unwind_Control_Block *ucbp,
- _Unwind_Context *context) {
+extern "C" _LIBUNWIND_EXPORT _Unwind_Reason_Code
+__aeabi_unwind_cpp_pr1(_Unwind_State state, _Unwind_Control_Block *ucbp,
+ _Unwind_Context *context) {
return unwindOneFrame(state, ucbp, context);
}
-extern "C" _Unwind_Reason_Code __aeabi_unwind_cpp_pr2(
- _Unwind_State state,
- _Unwind_Control_Block *ucbp,
- _Unwind_Context *context) {
+extern "C" _LIBUNWIND_EXPORT _Unwind_Reason_Code
+__aeabi_unwind_cpp_pr2(_Unwind_State state, _Unwind_Control_Block *ucbp,
+ _Unwind_Context *context) {
return unwindOneFrame(state, ucbp, context);
}
static _Unwind_Reason_Code
-unwind_phase1(unw_context_t *uc, _Unwind_Exception *exception_object) {
+unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *exception_object) {
// EHABI #7.3 discusses preserving the VRS in a "temporary VRS" during
// phase 1 and then restoring it to the "primary VRS" for phase 2. The
// effect is phase 2 doesn't see any of the VRS manipulations from phase 1.
// In this implementation, the phases don't share the VRS backing store.
// Instead, they are passed the original |uc| and they create a new VRS
// from scratch thus achieving the same effect.
- unw_cursor_t cursor1;
- unw_init_local(&cursor1, uc);
+ unw_init_local(cursor, uc);
// Walk each frame looking for a place to stop.
for (bool handlerNotFound = true; handlerNotFound;) {
-#if !_LIBUNWIND_ARM_EHABI
- // Ask libuwind to get next frame (skip over first which is
- // _Unwind_RaiseException).
- int stepResult = unw_step(&cursor1);
- if (stepResult == 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step() reached "
- "bottom => _URC_END_OF_STACK\n",
- static_cast<void *>(exception_object));
- return _URC_END_OF_STACK;
- } else if (stepResult < 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step failed => "
- "_URC_FATAL_PHASE1_ERROR\n",
- static_cast<void *>(exception_object));
- return _URC_FATAL_PHASE1_ERROR;
- }
-#endif
-
// See if frame has code to run (has personality routine).
unw_proc_info_t frameInfo;
- if (unw_get_proc_info(&cursor1, &frameInfo) != UNW_ESUCCESS) {
+ if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
_LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_get_proc_info "
- "failed => _URC_FATAL_PHASE1_ERROR\n",
+ "failed => _URC_FATAL_PHASE1_ERROR",
static_cast<void *>(exception_object));
return _URC_FATAL_PHASE1_ERROR;
}
@@ -482,15 +461,15 @@ unwind_phase1(unw_context_t *uc, _Unwind_Exception *exception_object) {
char functionBuf[512];
const char *functionName = functionBuf;
unw_word_t offset;
- if ((unw_get_proc_name(&cursor1, functionBuf, sizeof(functionBuf),
+ if ((unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf),
&offset) != UNW_ESUCCESS) ||
(frameInfo.start_ip + offset > frameInfo.end_ip))
functionName = ".anonymous.";
unw_word_t pc;
- unw_get_reg(&cursor1, UNW_REG_IP, &pc);
+ unw_get_reg(cursor, UNW_REG_IP, &pc);
_LIBUNWIND_TRACE_UNWINDING(
"unwind_phase1(ex_ojb=%p): pc=0x%llX, start_ip=0x%llX, func=%s, "
- "lsda=0x%llX, personality=0x%llX\n",
+ "lsda=0x%llX, personality=0x%llX",
static_cast<void *>(exception_object), (long long)pc,
(long long)frameInfo.start_ip, functionName,
(long long)frameInfo.lsda, (long long)frameInfo.handler);
@@ -502,10 +481,10 @@ unwind_phase1(unw_context_t *uc, _Unwind_Exception *exception_object) {
__personality_routine p =
(__personality_routine)(long)(frameInfo.handler);
_LIBUNWIND_TRACE_UNWINDING(
- "unwind_phase1(ex_ojb=%p): calling personality function %p\n",
+ "unwind_phase1(ex_ojb=%p): calling personality function %p",
static_cast<void *>(exception_object),
reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(p)));
- struct _Unwind_Context *context = (struct _Unwind_Context *)(&cursor1);
+ struct _Unwind_Context *context = (struct _Unwind_Context *)(cursor);
exception_object->pr_cache.fnstart = frameInfo.start_ip;
exception_object->pr_cache.ehtp =
(_Unwind_EHT_Header *)frameInfo.unwind_info;
@@ -514,7 +493,7 @@ unwind_phase1(unw_context_t *uc, _Unwind_Exception *exception_object) {
(*p)(_US_VIRTUAL_UNWIND_FRAME, exception_object, context);
_LIBUNWIND_TRACE_UNWINDING(
"unwind_phase1(ex_ojb=%p): personality result %d start_ip %x ehtp %p "
- "additional %x\n",
+ "additional %x",
static_cast<void *>(exception_object), personalityResult,
exception_object->pr_cache.fnstart,
static_cast<void *>(exception_object->pr_cache.ehtp),
@@ -526,13 +505,13 @@ unwind_phase1(unw_context_t *uc, _Unwind_Exception *exception_object) {
handlerNotFound = false;
// p should have initialized barrier_cache. EHABI #7.3.5
_LIBUNWIND_TRACE_UNWINDING(
- "unwind_phase1(ex_ojb=%p): _URC_HANDLER_FOUND \n",
+ "unwind_phase1(ex_ojb=%p): _URC_HANDLER_FOUND",
static_cast<void *>(exception_object));
return _URC_NO_REASON;
case _URC_CONTINUE_UNWIND:
_LIBUNWIND_TRACE_UNWINDING(
- "unwind_phase1(ex_ojb=%p): _URC_CONTINUE_UNWIND\n",
+ "unwind_phase1(ex_ojb=%p): _URC_CONTINUE_UNWIND",
static_cast<void *>(exception_object));
// continue unwinding
break;
@@ -544,7 +523,7 @@ unwind_phase1(unw_context_t *uc, _Unwind_Exception *exception_object) {
default:
// something went wrong
_LIBUNWIND_TRACE_UNWINDING(
- "unwind_phase1(ex_ojb=%p): _URC_FATAL_PHASE1_ERROR\n",
+ "unwind_phase1(ex_ojb=%p): _URC_FATAL_PHASE1_ERROR",
static_cast<void *>(exception_object));
return _URC_FATAL_PHASE1_ERROR;
}
@@ -553,20 +532,19 @@ unwind_phase1(unw_context_t *uc, _Unwind_Exception *exception_object) {
return _URC_NO_REASON;
}
-static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
+static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor,
_Unwind_Exception *exception_object,
bool resume) {
// See comment at the start of unwind_phase1 regarding VRS integrity.
- unw_cursor_t cursor2;
- unw_init_local(&cursor2, uc);
+ unw_init_local(cursor, uc);
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p)\n",
+ _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p)",
static_cast<void *>(exception_object));
int frame_count = 0;
// Walk each frame until we reach where search phase said to stop.
while (true) {
- // Ask libuwind to get next frame (skip over first which is
+ // Ask libunwind to get next frame (skip over first which is
// _Unwind_RaiseException or _Unwind_Resume).
//
// Resume only ever makes sense for 1 frame.
@@ -580,33 +558,18 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
// for. After this, continue unwinding as if normal.
//
// See #7.4.6 for details.
- unw_set_reg(&cursor2, UNW_REG_IP,
+ unw_set_reg(cursor, UNW_REG_IP,
exception_object->unwinder_cache.reserved2);
resume = false;
}
-#if !_LIBUNWIND_ARM_EHABI
- int stepResult = unw_step(&cursor2);
- if (stepResult == 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step() reached "
- "bottom => _URC_END_OF_STACK\n",
- static_cast<void *>(exception_object));
- return _URC_END_OF_STACK;
- } else if (stepResult < 0) {
- _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step failed => "
- "_URC_FATAL_PHASE1_ERROR\n",
- static_cast<void *>(exception_object));
- return _URC_FATAL_PHASE2_ERROR;
- }
-#endif
-
// Get info about this frame.
unw_word_t sp;
unw_proc_info_t frameInfo;
- unw_get_reg(&cursor2, UNW_REG_SP, &sp);
- if (unw_get_proc_info(&cursor2, &frameInfo) != UNW_ESUCCESS) {
+ unw_get_reg(cursor, UNW_REG_SP, &sp);
+ if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
_LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_get_proc_info "
- "failed => _URC_FATAL_PHASE1_ERROR\n",
+ "failed => _URC_FATAL_PHASE2_ERROR",
static_cast<void *>(exception_object));
return _URC_FATAL_PHASE2_ERROR;
}
@@ -616,13 +579,13 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
char functionBuf[512];
const char *functionName = functionBuf;
unw_word_t offset;
- if ((unw_get_proc_name(&cursor2, functionBuf, sizeof(functionBuf),
+ if ((unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf),
&offset) != UNW_ESUCCESS) ||
(frameInfo.start_ip + offset > frameInfo.end_ip))
functionName = ".anonymous.";
_LIBUNWIND_TRACE_UNWINDING(
"unwind_phase2(ex_ojb=%p): start_ip=0x%llX, func=%s, sp=0x%llX, "
- "lsda=0x%llX, personality=0x%llX\n",
+ "lsda=0x%llX, personality=0x%llX",
static_cast<void *>(exception_object), (long long)frameInfo.start_ip,
functionName, (long long)sp, (long long)frameInfo.lsda,
(long long)frameInfo.handler);
@@ -632,7 +595,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
if (frameInfo.handler != 0) {
__personality_routine p =
(__personality_routine)(long)(frameInfo.handler);
- struct _Unwind_Context *context = (struct _Unwind_Context *)(&cursor2);
+ struct _Unwind_Context *context = (struct _Unwind_Context *)(cursor);
// EHABI #7.2
exception_object->pr_cache.fnstart = frameInfo.start_ip;
exception_object->pr_cache.ehtp =
@@ -644,7 +607,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
case _URC_CONTINUE_UNWIND:
// Continue unwinding
_LIBUNWIND_TRACE_UNWINDING(
- "unwind_phase2(ex_ojb=%p): _URC_CONTINUE_UNWIND\n",
+ "unwind_phase2(ex_ojb=%p): _URC_CONTINUE_UNWIND",
static_cast<void *>(exception_object));
// EHABI #7.2
if (sp == exception_object->barrier_cache.sp) {
@@ -655,16 +618,16 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
break;
case _URC_INSTALL_CONTEXT:
_LIBUNWIND_TRACE_UNWINDING(
- "unwind_phase2(ex_ojb=%p): _URC_INSTALL_CONTEXT\n",
+ "unwind_phase2(ex_ojb=%p): _URC_INSTALL_CONTEXT",
static_cast<void *>(exception_object));
// Personality routine says to transfer control to landing pad.
// We may get control back if landing pad calls _Unwind_Resume().
if (_LIBUNWIND_TRACING_UNWINDING) {
unw_word_t pc;
- unw_get_reg(&cursor2, UNW_REG_IP, &pc);
- unw_get_reg(&cursor2, UNW_REG_SP, &sp);
+ unw_get_reg(cursor, UNW_REG_IP, &pc);
+ unw_get_reg(cursor, UNW_REG_SP, &sp);
_LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): re-entering "
- "user code with ip=0x%llX, sp=0x%llX\n",
+ "user code with ip=0x%llX, sp=0x%llX",
static_cast<void *>(exception_object),
(long long)pc, (long long)sp);
}
@@ -673,10 +636,10 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
// EHABI #7.4.1 says we need to preserve pc for when _Unwind_Resume
// is called back, to find this same frame.
unw_word_t pc;
- unw_get_reg(&cursor2, UNW_REG_IP, &pc);
+ unw_get_reg(cursor, UNW_REG_IP, &pc);
exception_object->unwinder_cache.reserved2 = (uint32_t)pc;
}
- unw_resume(&cursor2);
+ unw_resume(cursor);
// unw_resume() only returns if there was an error.
return _URC_FATAL_PHASE2_ERROR;
@@ -702,9 +665,10 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc,
/// Called by __cxa_throw. Only returns if there is a fatal error.
_LIBUNWIND_EXPORT _Unwind_Reason_Code
_Unwind_RaiseException(_Unwind_Exception *exception_object) {
- _LIBUNWIND_TRACE_API("_Unwind_RaiseException(ex_obj=%p)\n",
+ _LIBUNWIND_TRACE_API("_Unwind_RaiseException(ex_obj=%p)",
static_cast<void *>(exception_object));
unw_context_t uc;
+ unw_cursor_t cursor;
unw_getcontext(&uc);
// This field for is for compatibility with GCC to say this isn't a forced
@@ -712,12 +676,12 @@ _Unwind_RaiseException(_Unwind_Exception *exception_object) {
exception_object->unwinder_cache.reserved1 = 0;
// phase 1: the search phase
- _Unwind_Reason_Code phase1 = unwind_phase1(&uc, exception_object);
+ _Unwind_Reason_Code phase1 = unwind_phase1(&uc, &cursor, exception_object);
if (phase1 != _URC_NO_REASON)
return phase1;
// phase 2: the clean up phase
- return unwind_phase2(&uc, exception_object, false);
+ return unwind_phase2(&uc, &cursor, exception_object, false);
}
_LIBUNWIND_EXPORT void _Unwind_Complete(_Unwind_Exception* exception_object) {
@@ -739,15 +703,16 @@ _LIBUNWIND_EXPORT void _Unwind_Complete(_Unwind_Exception* exception_object) {
/// in turn calls _Unwind_Resume_or_Rethrow().
_LIBUNWIND_EXPORT void
_Unwind_Resume(_Unwind_Exception *exception_object) {
- _LIBUNWIND_TRACE_API("_Unwind_Resume(ex_obj=%p)\n",
+ _LIBUNWIND_TRACE_API("_Unwind_Resume(ex_obj=%p)",
static_cast<void *>(exception_object));
unw_context_t uc;
+ unw_cursor_t cursor;
unw_getcontext(&uc);
// _Unwind_RaiseException on EHABI will always set the reserved1 field to 0,
// which is in the same position as private_1 below.
// TODO(ajwong): Who wronte the above? Why is it true?
- unwind_phase2(&uc, exception_object, true);
+ unwind_phase2(&uc, &cursor, exception_object, true);
// Clients assume _Unwind_Resume() does not return, so all we can do is abort.
_LIBUNWIND_ABORT("_Unwind_Resume() can't return");
@@ -762,7 +727,7 @@ _Unwind_GetLanguageSpecificData(struct _Unwind_Context *context) {
if (unw_get_proc_info(cursor, &frameInfo) == UNW_ESUCCESS)
result = (uintptr_t)frameInfo.lsda;
_LIBUNWIND_TRACE_API(
- "_Unwind_GetLanguageSpecificData(context=%p) => 0x%llx\n",
+ "_Unwind_GetLanguageSpecificData(context=%p) => 0x%llx",
static_cast<void *>(context), (long long)result);
return result;
}
@@ -785,12 +750,12 @@ static uint64_t ValueAsBitPattern(_Unwind_VRS_DataRepresentation representation,
return value;
}
-_Unwind_VRS_Result
+_LIBUNWIND_EXPORT _Unwind_VRS_Result
_Unwind_VRS_Set(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
uint32_t regno, _Unwind_VRS_DataRepresentation representation,
void *valuep) {
_LIBUNWIND_TRACE_API("_Unwind_VRS_Set(context=%p, regclass=%d, reg=%d, "
- "rep=%d, value=0x%llX)\n",
+ "rep=%d, value=0x%llX)",
static_cast<void *>(context), regclass, regno,
representation,
ValueAsBitPattern(representation, valuep));
@@ -803,13 +768,6 @@ _Unwind_VRS_Set(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
*(unw_word_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
- case _UVRSC_WMMXC:
- if (representation != _UVRSD_UINT32 || regno > 3)
- return _UVRSR_FAILED;
- return unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_WC0 + regno),
- *(unw_word_t *)valuep) == UNW_ESUCCESS
- ? _UVRSR_OK
- : _UVRSR_FAILED;
case _UVRSC_VFP:
if (representation != _UVRSD_VFPX && representation != _UVRSD_DOUBLE)
return _UVRSR_FAILED;
@@ -826,6 +784,14 @@ _Unwind_VRS_Set(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
*(unw_fpreg_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
+#if defined(__ARM_WMMX)
+ case _UVRSC_WMMXC:
+ if (representation != _UVRSD_UINT32 || regno > 3)
+ return _UVRSR_FAILED;
+ return unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_WC0 + regno),
+ *(unw_word_t *)valuep) == UNW_ESUCCESS
+ ? _UVRSR_OK
+ : _UVRSR_FAILED;
case _UVRSC_WMMXD:
if (representation != _UVRSD_DOUBLE || regno > 31)
return _UVRSR_FAILED;
@@ -833,6 +799,11 @@ _Unwind_VRS_Set(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
*(unw_fpreg_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
+#else
+ case _UVRSC_WMMXC:
+ case _UVRSC_WMMXD:
+ break;
+#endif
}
_LIBUNWIND_ABORT("unsupported register class");
}
@@ -851,13 +822,6 @@ _Unwind_VRS_Get_Internal(_Unwind_Context *context,
(unw_word_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
- case _UVRSC_WMMXC:
- if (representation != _UVRSD_UINT32 || regno > 3)
- return _UVRSR_FAILED;
- return unw_get_reg(cursor, (unw_regnum_t)(UNW_ARM_WC0 + regno),
- (unw_word_t *)valuep) == UNW_ESUCCESS
- ? _UVRSR_OK
- : _UVRSR_FAILED;
case _UVRSC_VFP:
if (representation != _UVRSD_VFPX && representation != _UVRSD_DOUBLE)
return _UVRSR_FAILED;
@@ -874,6 +838,14 @@ _Unwind_VRS_Get_Internal(_Unwind_Context *context,
(unw_fpreg_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
+#if defined(__ARM_WMMX)
+ case _UVRSC_WMMXC:
+ if (representation != _UVRSD_UINT32 || regno > 3)
+ return _UVRSR_FAILED;
+ return unw_get_reg(cursor, (unw_regnum_t)(UNW_ARM_WC0 + regno),
+ (unw_word_t *)valuep) == UNW_ESUCCESS
+ ? _UVRSR_OK
+ : _UVRSR_FAILED;
case _UVRSC_WMMXD:
if (representation != _UVRSD_DOUBLE || regno > 31)
return _UVRSR_FAILED;
@@ -881,21 +853,24 @@ _Unwind_VRS_Get_Internal(_Unwind_Context *context,
(unw_fpreg_t *)valuep) == UNW_ESUCCESS
? _UVRSR_OK
: _UVRSR_FAILED;
+#else
+ case _UVRSC_WMMXC:
+ case _UVRSC_WMMXD:
+ break;
+#endif
}
_LIBUNWIND_ABORT("unsupported register class");
}
-_Unwind_VRS_Result _Unwind_VRS_Get(
- _Unwind_Context *context,
- _Unwind_VRS_RegClass regclass,
- uint32_t regno,
- _Unwind_VRS_DataRepresentation representation,
- void *valuep) {
+_LIBUNWIND_EXPORT _Unwind_VRS_Result
+_Unwind_VRS_Get(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
+ uint32_t regno, _Unwind_VRS_DataRepresentation representation,
+ void *valuep) {
_Unwind_VRS_Result result =
_Unwind_VRS_Get_Internal(context, regclass, regno, representation,
valuep);
_LIBUNWIND_TRACE_API("_Unwind_VRS_Get(context=%p, regclass=%d, reg=%d, "
- "rep=%d, value=0x%llX, result = %d)\n",
+ "rep=%d, value=0x%llX, result = %d)",
static_cast<void *>(context), regclass, regno,
representation,
ValueAsBitPattern(representation, valuep), result);
@@ -907,12 +882,15 @@ _Unwind_VRS_Pop(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
uint32_t discriminator,
_Unwind_VRS_DataRepresentation representation) {
_LIBUNWIND_TRACE_API("_Unwind_VRS_Pop(context=%p, regclass=%d, "
- "discriminator=%d, representation=%d)\n",
+ "discriminator=%d, representation=%d)",
static_cast<void *>(context), regclass, discriminator,
representation);
switch (regclass) {
- case _UVRSC_CORE:
- case _UVRSC_WMMXC: {
+ case _UVRSC_WMMXC:
+#if !defined(__ARM_WMMX)
+ break;
+#endif
+ case _UVRSC_CORE: {
if (representation != _UVRSD_UINT32)
return _UVRSR_FAILED;
// When popping SP from the stack, we don't want to override it from the
@@ -940,8 +918,11 @@ _Unwind_VRS_Pop(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
}
return _UVRSR_OK;
}
- case _UVRSC_VFP:
- case _UVRSC_WMMXD: {
+ case _UVRSC_WMMXD:
+#if !defined(__ARM_WMMX)
+ break;
+#endif
+ case _UVRSC_VFP: {
if (representation != _UVRSD_VFPX && representation != _UVRSD_DOUBLE)
return _UVRSR_FAILED;
uint32_t first = discriminator >> 16;
@@ -980,7 +961,7 @@ _Unwind_GetRegionStart(struct _Unwind_Context *context) {
uintptr_t result = 0;
if (unw_get_proc_info(cursor, &frameInfo) == UNW_ESUCCESS)
result = (uintptr_t)frameInfo.start_ip;
- _LIBUNWIND_TRACE_API("_Unwind_GetRegionStart(context=%p) => 0x%llX\n",
+ _LIBUNWIND_TRACE_API("_Unwind_GetRegionStart(context=%p) => 0x%llX",
static_cast<void *>(context), (long long)result);
return result;
}
@@ -990,7 +971,7 @@ _Unwind_GetRegionStart(struct _Unwind_Context *context) {
// is caught.
_LIBUNWIND_EXPORT void
_Unwind_DeleteException(_Unwind_Exception *exception_object) {
- _LIBUNWIND_TRACE_API("_Unwind_DeleteException(ex_obj=%p)\n",
+ _LIBUNWIND_TRACE_API("_Unwind_DeleteException(ex_obj=%p)",
static_cast<void *>(exception_object));
if (exception_object->exception_cleanup != NULL)
(*exception_object->exception_cleanup)(_URC_FOREIGN_EXCEPTION_CAUGHT,
@@ -1006,4 +987,4 @@ __gnu_unwind_frame(_Unwind_Exception *exception_object,
return _URC_OK;
}
-#endif // _LIBUNWIND_ARM_EHABI
+#endif // defined(_LIBUNWIND_ARM_EHABI)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 21:38:29 +0000