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-rw-r--r--src/Unwind-EHABI.cpp164
1 files changed, 89 insertions, 75 deletions
diff --git a/src/Unwind-EHABI.cpp b/src/Unwind-EHABI.cpp
index 5950c6902e38..f37732c6ac86 100644
--- a/src/Unwind-EHABI.cpp
+++ b/src/Unwind-EHABI.cpp
@@ -12,8 +12,9 @@
#include "Unwind-EHABI.h"
-#if _LIBUNWIND_ARM_EHABI
+#if defined(_LIBUNWIND_ARM_EHABI)
+#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
@@ -245,11 +246,9 @@ 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 +350,7 @@ _Unwind_Reason_Code _Unwind_VRS_Interpret(
}
case 0xc0: {
switch (byte) {
+#if defined(__ARM_WMMX)
case 0xc0:
case 0xc1:
case 0xc2:
@@ -378,6 +378,7 @@ _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++);
@@ -416,24 +417,21 @@ _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);
}
@@ -454,7 +452,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
unw_proc_info_t frameInfo;
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;
}
@@ -471,11 +469,11 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
unw_word_t 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",
- static_cast<void *>(exception_object), (long long)pc,
- (long long)frameInfo.start_ip, functionName,
- (long long)frameInfo.lsda, (long long)frameInfo.handler);
+ "unwind_phase1(ex_ojb=%p): pc=0x%" PRIxPTR ", start_ip=0x%" PRIxPTR ", func=%s, "
+ "lsda=0x%" PRIxPTR ", personality=0x%" PRIxPTR,
+ static_cast<void *>(exception_object), pc,
+ frameInfo.start_ip, functionName,
+ frameInfo.lsda, frameInfo.handler);
}
// If there is a personality routine, ask it if it will want to stop at
@@ -484,7 +482,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
__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 *)(cursor);
@@ -496,7 +494,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
(*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),
@@ -508,13 +506,13 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
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;
@@ -526,7 +524,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
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;
}
@@ -541,13 +539,13 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
// See comment at the start of unwind_phase1 regarding VRS integrity.
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.
@@ -572,7 +570,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
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;
}
@@ -587,11 +585,11 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
(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",
- static_cast<void *>(exception_object), (long long)frameInfo.start_ip,
- functionName, (long long)sp, (long long)frameInfo.lsda,
- (long long)frameInfo.handler);
+ "unwind_phase2(ex_ojb=%p): start_ip=0x%" PRIxPTR ", func=%s, sp=0x%" PRIxPTR ", "
+ "lsda=0x%" PRIxPTR ", personality=0x%" PRIxPTR "",
+ static_cast<void *>(exception_object), frameInfo.start_ip,
+ functionName, sp, frameInfo.lsda,
+ frameInfo.handler);
}
// If there is a personality routine, tell it we are unwinding.
@@ -610,7 +608,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
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) {
@@ -621,7 +619,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
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().
@@ -630,9 +628,9 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
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%" PRIxPTR ", sp=0x%" PRIxPTR,
static_cast<void *>(exception_object),
- (long long)pc, (long long)sp);
+ pc, sp);
}
{
@@ -668,7 +666,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
/// 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;
@@ -706,7 +704,7 @@ _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;
@@ -730,7 +728,7 @@ _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;
}
@@ -753,12 +751,12 @@ 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));
@@ -771,13 +769,6 @@ _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;
@@ -794,6 +785,14 @@ _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;
@@ -801,6 +800,11 @@ _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");
}
@@ -819,13 +823,6 @@ _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;
@@ -842,6 +839,14 @@ _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;
@@ -849,21 +854,24 @@ _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);
@@ -875,12 +883,15 @@ _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
@@ -908,8 +919,11 @@ _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;
@@ -948,7 +962,7 @@ _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;
}
@@ -958,7 +972,7 @@ _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,
@@ -974,4 +988,4 @@ __gnu_unwind_frame(_Unwind_Exception *exception_object,
return _URC_OK;
}
-#endif // _LIBUNWIND_ARM_EHABI
+#endif // defined(_LIBUNWIND_ARM_EHABI)