gcc/libjava/exception.cc

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// Functions for Exception Support for Java.
/* Copyright (C) 1998, 1999, 2001, 2002, 2006, 2010, 2011
Free Software Foundation
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This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#include <config.h>
#include <stddef.h>
#include <stdlib.h>
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#include <java/lang/Class.h>
#include <java/lang/NullPointerException.h>
#include <gnu/gcj/RawData.h>
#include <gcj/cni.h>
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#include <jvm.h>
// unwind-pe.h uses std::abort(), but sometimes we compile libjava
// without libstdc++-v3. The following hack forces it to use
// stdlib.h's abort().
namespace std
{
__attribute__ ((__noreturn__)) void
abort ()
{
::abort ();
}
}
#include "unwind.h"
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struct alignment_test_struct
{
char space;
char end[0] __attribute__((aligned));
};
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struct java_exception_header
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{
/* Cache handler details between Phase 1 and Phase 2. */
_Unwind_Ptr landingPad;
int handlerSwitchValue;
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/* The object being thrown. Compiled code expects this to be immediately
before the generic exception header. Which is complicated by the fact
that _Unwind_Exception is ((aligned)). */
char pad[sizeof(jthrowable) < sizeof(alignment_test_struct)
? sizeof(alignment_test_struct) - sizeof(jthrowable) : 0]
__attribute__((aligned));
jthrowable value;
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/* The generic exception header. */
_Unwind_Exception unwindHeader;
};
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
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#ifdef __ARM_EABI_UNWINDER__
// This is the exception class we report -- "GNUCJAVA".
const _Unwind_Exception_Class __gcj_exception_class
= {'G', 'N', 'U', 'C', 'J', 'A', 'V', 'A'};
static inline java_exception_header *
get_exception_header_from_ue (_Unwind_Exception *exc)
{
return reinterpret_cast<java_exception_header *>(exc + 1) - 1;
}
extern "C" void __cxa_begin_cleanup (_Unwind_Exception*);
#else // !__ARM_EABI_UNWINDER__
// This is the exception class we report -- "GNUCJAVA".
const _Unwind_Exception_Class __gcj_exception_class
= ((((((((_Unwind_Exception_Class) 'G'
<< 8 | (_Unwind_Exception_Class) 'N')
<< 8 | (_Unwind_Exception_Class) 'U')
<< 8 | (_Unwind_Exception_Class) 'C')
<< 8 | (_Unwind_Exception_Class) 'J')
<< 8 | (_Unwind_Exception_Class) 'A')
<< 8 | (_Unwind_Exception_Class) 'V')
<< 8 | (_Unwind_Exception_Class) 'A');
static inline java_exception_header *
get_exception_header_from_ue (_Unwind_Exception *exc)
{
return reinterpret_cast<java_exception_header *>(exc + 1) - 1;
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}
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
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#endif // !__ARM_EABI_UNWINDER__
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/* Perform a throw, Java style. Throw will unwind through this call,
so there better not be any handlers or exception thrown here. */
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extern "C" void
_Jv_Throw (jthrowable value)
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{
java_exception_header *xh
= static_cast<java_exception_header *>(_Jv_AllocRawObj (sizeof (*xh)));
if (value == NULL)
value = new java::lang::NullPointerException ();
xh->value = value;
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[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
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memcpy (&xh->unwindHeader.exception_class, &__gcj_exception_class,
sizeof xh->unwindHeader.exception_class);
xh->unwindHeader.exception_cleanup = NULL;
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/* We're happy with setjmp/longjmp exceptions or region-based
exception handlers: entry points are provided here for both. */
#ifdef SJLJ_EXCEPTIONS
tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. * genemit.c (gen_expand, gen_split): Avoid set but not used warnings when operandN variables aren't used in the body of the expander or splitter. * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings. * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise. * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT, FOR_EACH_IMM_USE_ON_STMT): Likewise. * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise. * tree.c (PROCESS_ARG): Likewise. fortran/ * parse.c (parse_derived, parse_enum): Avoid set but not used warning. java/ * expr.c (process_jvm_instruction): Avoid set but not used warning. * builtins.c (compareAndSwapInt_builtin, compareAndSwapLong_builtin, getVolatile_builtin): Likewise. libjava/ * exception.cc (_Jv_Throw): Avoid set but not used warning. * include/java-assert.h (JvAssertMessage, JvAssert): Use argument in sizeof to avoid set but not used warnings. libjava/classpath/ * native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c (Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1): Avoid set but not used warning. libiberty/ * regex.c (byte_re_match_2_internal): Avoid set but not used warning. gcc/testsuite/ * gcc.dg/builtin-choose-expr.c: Avoid set but not used warnings. * gcc.dg/trunc-1.c: Likewise. * gcc.dg/vla-9.c: Likewise. * gcc.dg/dfp/composite-type.c: Likewise. libffi/ * testsuite/libffi.call/err_bad_abi.c: Remove unused args variable. From-SVN: r158084
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_Unwind_SjLj_RaiseException (&xh->unwindHeader);
#else
tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not used count variable. * genemit.c (gen_expand, gen_split): Avoid set but not used warnings when operandN variables aren't used in the body of the expander or splitter. * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings. * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise. * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT, FOR_EACH_IMM_USE_ON_STMT): Likewise. * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise. * tree.c (PROCESS_ARG): Likewise. fortran/ * parse.c (parse_derived, parse_enum): Avoid set but not used warning. java/ * expr.c (process_jvm_instruction): Avoid set but not used warning. * builtins.c (compareAndSwapInt_builtin, compareAndSwapLong_builtin, getVolatile_builtin): Likewise. libjava/ * exception.cc (_Jv_Throw): Avoid set but not used warning. * include/java-assert.h (JvAssertMessage, JvAssert): Use argument in sizeof to avoid set but not used warnings. libjava/classpath/ * native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c (Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1): Avoid set but not used warning. libiberty/ * regex.c (byte_re_match_2_internal): Avoid set but not used warning. gcc/testsuite/ * gcc.dg/builtin-choose-expr.c: Avoid set but not used warnings. * gcc.dg/trunc-1.c: Likewise. * gcc.dg/vla-9.c: Likewise. * gcc.dg/dfp/composite-type.c: Likewise. libffi/ * testsuite/libffi.call/err_bad_abi.c: Remove unused args variable. From-SVN: r158084
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_Unwind_RaiseException (&xh->unwindHeader);
#endif
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/* If code == _URC_END_OF_STACK, then we reached top of stack without
finding a handler for the exception. Since each thread is run in
a try/catch, this oughtn't happen. If code is something else, we
encountered some sort of heinous lossage from which we could not
recover. As is the way of such things, almost certainly we will have
crashed before now, rather than actually being able to diagnose the
problem. */
abort();
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}
#include "unwind-pe.h"
struct lsda_header_info
{
_Unwind_Ptr Start;
_Unwind_Ptr LPStart;
const unsigned char *TType;
const unsigned char *action_table;
unsigned char ttype_encoding;
unsigned char call_site_encoding;
};
static const unsigned char *
parse_lsda_header (_Unwind_Context *context, const unsigned char *p,
lsda_header_info *info)
{
_uleb128_t tmp;
unsigned char lpstart_encoding;
info->Start = (context ? _Unwind_GetRegionStart (context) : 0);
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// Find @LPStart, the base to which landing pad offsets are relative.
lpstart_encoding = *p++;
if (lpstart_encoding != DW_EH_PE_omit)
p = read_encoded_value (context, lpstart_encoding, p, &info->LPStart);
else
info->LPStart = info->Start;
// Find @TType, the base of the handler and exception spec type data.
info->ttype_encoding = *p++;
if (info->ttype_encoding != DW_EH_PE_omit)
{
#if _GLIBCXX_OVERRIDE_TTYPE_ENCODING
/* Older ARM EABI toolchains set this value incorrectly, so use a
hardcoded OS-specific format. */
info->ttype_encoding = _GLIBCXX_OVERRIDE_TTYPE_ENCODING;
#endif
p = read_uleb128 (p, &tmp);
info->TType = p + tmp;
}
else
info->TType = 0;
// The encoding and length of the call-site table; the action table
// immediately follows.
info->call_site_encoding = *p++;
p = read_uleb128 (p, &tmp);
info->action_table = p + tmp;
return p;
}
lang.c (LANG_HOOKS_GET_CALLEE_FNDECL): New. 2003-10-22 Andrew Haley <aph@redhat.com> * lang.c (LANG_HOOKS_GET_CALLEE_FNDECL): New. (java_get_callee_fndecl): New. * jcf-parse.c (java_parse_file): Call emit_catch_table(). * java-tree.h (ctable_decl): New. (catch_classes): New. (java_tree_index): Add JTI_CTABLE_DECL, JTI_CATCH_CLASSES. * decl.c (java_init_decl_processing): Add catch_class_type. Add ctable_decl. Add catch_classes field. * class.c (build_indirect_class_ref): Break out from build_class_ref. (make_field_value): Check flag_indirect_dispatch. (make_class_data): Ditto. Tidy uses of PUSH_FIELD_VALUE. Add field catch_classes. (make_catch_class_record): New. * java-tree.h (PUSH_FIELD_VALUE): Tidy. 2003-10-22 Andrew Haley <aph@redhat.com> * java/lang/natClass.cc (initializeClass): Call _Jv_linkExceptionClassTable. (_Jv_LinkSymbolTable): Call )_Jv_ThrowNoSuchMethodError. Call _Jv_Defer_Resolution on a method whose ncode is NULL. (_Jv_linkExceptionClassTable): New function. (_Jv_LayoutVTableMethods): If superclass looks like a constant pool entry, look it up. * java/lang/Class.h (struct _Jv_CatchClass): New. (_Jv_linkExceptionClassTable): New friend. (_Jv_Defer_Resolution): New friend. (class Class.catch_classes): New field. * include/java-interp.h (Jv_Defer_Resolution): New method. (_Jv_PrepareClass): Make a friend of _Jv_MethodBase. (_Jv_MethodBase.deferred): New field. (_Jv_Defer_Resolution): New function. * resolve.cc (_Jv_PrepareClass): Resolve deferred handlers. * exception.cc (get_ttype_entry): Change return type to void**. (PERSONALITY_FUNCTION): Remove all code related to using a Utf8Const* for a match type. Change match type to be a pointer to a pointer, rather than a pointer to a Class. * defineclass.cc (handleCodeAttribute): Initialize method->deferred. (handleMethodsEnd): Likewise. From-SVN: r72886
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static void **
get_ttype_entry (_Unwind_Context *context, lsda_header_info *info, long i)
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{
_Unwind_Ptr ptr;
i *= size_of_encoded_value (info->ttype_encoding);
read_encoded_value (context, info->ttype_encoding, info->TType - i, &ptr);
lang.c (LANG_HOOKS_GET_CALLEE_FNDECL): New. 2003-10-22 Andrew Haley <aph@redhat.com> * lang.c (LANG_HOOKS_GET_CALLEE_FNDECL): New. (java_get_callee_fndecl): New. * jcf-parse.c (java_parse_file): Call emit_catch_table(). * java-tree.h (ctable_decl): New. (catch_classes): New. (java_tree_index): Add JTI_CTABLE_DECL, JTI_CATCH_CLASSES. * decl.c (java_init_decl_processing): Add catch_class_type. Add ctable_decl. Add catch_classes field. * class.c (build_indirect_class_ref): Break out from build_class_ref. (make_field_value): Check flag_indirect_dispatch. (make_class_data): Ditto. Tidy uses of PUSH_FIELD_VALUE. Add field catch_classes. (make_catch_class_record): New. * java-tree.h (PUSH_FIELD_VALUE): Tidy. 2003-10-22 Andrew Haley <aph@redhat.com> * java/lang/natClass.cc (initializeClass): Call _Jv_linkExceptionClassTable. (_Jv_LinkSymbolTable): Call )_Jv_ThrowNoSuchMethodError. Call _Jv_Defer_Resolution on a method whose ncode is NULL. (_Jv_linkExceptionClassTable): New function. (_Jv_LayoutVTableMethods): If superclass looks like a constant pool entry, look it up. * java/lang/Class.h (struct _Jv_CatchClass): New. (_Jv_linkExceptionClassTable): New friend. (_Jv_Defer_Resolution): New friend. (class Class.catch_classes): New field. * include/java-interp.h (Jv_Defer_Resolution): New method. (_Jv_PrepareClass): Make a friend of _Jv_MethodBase. (_Jv_MethodBase.deferred): New field. (_Jv_Defer_Resolution): New function. * resolve.cc (_Jv_PrepareClass): Resolve deferred handlers. * exception.cc (get_ttype_entry): Change return type to void**. (PERSONALITY_FUNCTION): Remove all code related to using a Utf8Const* for a match type. Change match type to be a pointer to a pointer, rather than a pointer to a Class. * defineclass.cc (handleCodeAttribute): Initialize method->deferred. (handleMethodsEnd): Likewise. From-SVN: r72886
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return reinterpret_cast<void **>(ptr);
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}
// Using a different personality function name causes link failures
// when trying to mix code using different exception handling models.
#ifdef SJLJ_EXCEPTIONS
#define PERSONALITY_FUNCTION __gcj_personality_sj0
#define __builtin_eh_return_data_regno(x) x
#elif defined (__SEH__)
#define PERSONALITY_FUNCTION __gcj_personality_imp
#else
#define PERSONALITY_FUNCTION __gcj_personality_v0
#endif
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
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#ifdef __ARM_EABI_UNWINDER__
#define CONTINUE_UNWINDING \
do \
{ \
if (__gnu_unwind_frame(ue_header, context) != _URC_OK) \
return _URC_FAILURE; \
return _URC_CONTINUE_UNWIND; \
} \
while (0)
extern "C" _Unwind_Reason_Code
PERSONALITY_FUNCTION (_Unwind_State state,
struct _Unwind_Exception* ue_header,
struct _Unwind_Context* context)
#else
#define CONTINUE_UNWINDING return _URC_CONTINUE_UNWIND
#ifdef __SEH__
static
#else
extern "C"
#endif
_Unwind_Reason_Code
PERSONALITY_FUNCTION (int version,
_Unwind_Action actions,
_Unwind_Exception_Class exception_class,
struct _Unwind_Exception *ue_header,
struct _Unwind_Context *context)
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
#endif
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{
java_exception_header *xh = get_exception_header_from_ue (ue_header);
lsda_header_info info;
const unsigned char *language_specific_data;
const unsigned char *action_record;
const unsigned char *p;
_Unwind_Ptr landing_pad, ip;
int handler_switch_value;
bool saw_cleanup;
bool saw_handler;
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
bool foreign_exception;
re PR other/26208 (Serious problem with unwinding through signal frames) PR other/26208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field. (extract_cie_info): Handle S flag in augmentation string. (execute_cfa_program): If context->signal_frame, execute also fs->pc == context->ra instructions. (uw_frame_state_for): If context->signal_frame, don't subtract one from context->ra to find FDE. (uw_update_context_1): Set context->signal_frame to fs->signal_frame. (_Unwind_GetIPInfo): New function. * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field. * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * unwind-sjlj.c (_Unwind_GetIPInfo): New function. * unwind-generic.h (_Unwind_GetIPInfo): New prototype. * unwind-compat.c (_Unwind_GetIPInfo): New function. * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0. * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function. * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define. * config/i386/linux-unwind.h (x86_fallback_frame_state, x86_64_fallback_frame_state): Set fs->signal_frame. * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise. (MD_FROB_UPDATE_CONTEXT): Define unconditionally. (frob_update_context): Likewise. Workaround missing S flag in Linux 2.6.12 - 2.6.16 kernel vDSOs. * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise. Remove the psw_addr + 1 hack. libjava/ * exception.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * include/i386-signal.h (MAKE_THROW_FRAME): Change into empty macro. (HANDLE_DIVIDE_OVERFLOW): Don't adjust _res->eip if falling through to throw. * include/x86_64-signal.h (MAKE_THROW_FRAME): Change into empty macro. * include/powerpc-signal.h (MAKE_THROW_FRAME): Change into empty macro. libstdc++-v3/ * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. From-SVN: r111488
2006-02-27 18:26:26 +01:00
int ip_before_insn = 0;
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
#ifdef __ARM_EABI_UNWINDER__
_Unwind_Action actions;
switch (state & _US_ACTION_MASK)
{
case _US_VIRTUAL_UNWIND_FRAME:
actions = _UA_SEARCH_PHASE;
break;
case _US_UNWIND_FRAME_STARTING:
actions = _UA_CLEANUP_PHASE;
if (!(state & _US_FORCE_UNWIND)
&& ue_header->barrier_cache.sp == _Unwind_GetGR(context, 13))
actions |= _UA_HANDLER_FRAME;
break;
case _US_UNWIND_FRAME_RESUME:
CONTINUE_UNWINDING;
break;
default:
std::abort();
}
actions |= state & _US_FORCE_UNWIND;
// We don't know which runtime we're working with, so can't check this.
// However the ABI routines hide this from us, and we don't actually need
// to know.
foreign_exception = false;
// The dwarf unwinder assumes the context structure holds things like the
// function and LSDA pointers. The ARM implementation caches these in
// the exception header (UCB). To avoid rewriting everything we make the
// virtual IP register point at the UCB.
ip = (_Unwind_Ptr) ue_header;
_Unwind_SetGR(context, 12, ip);
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
#else
// Interface version check.
if (version != 1)
return _URC_FATAL_PHASE1_ERROR;
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
foreign_exception = exception_class != __gcj_exception_class;
#endif
// Shortcut for phase 2 found handler for domestic exception.
if (actions == (_UA_CLEANUP_PHASE | _UA_HANDLER_FRAME)
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
&& !foreign_exception)
1999-04-07 16:42:40 +02:00
{
handler_switch_value = xh->handlerSwitchValue;
landing_pad = xh->landingPad;
goto install_context;
1999-04-07 16:42:40 +02:00
}
1999-11-19 20:13:42 +01:00
re PR other/26208 (Serious problem with unwinding through signal frames) PR other/26208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field. (extract_cie_info): Handle S flag in augmentation string. (execute_cfa_program): If context->signal_frame, execute also fs->pc == context->ra instructions. (uw_frame_state_for): If context->signal_frame, don't subtract one from context->ra to find FDE. (uw_update_context_1): Set context->signal_frame to fs->signal_frame. (_Unwind_GetIPInfo): New function. * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field. * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * unwind-sjlj.c (_Unwind_GetIPInfo): New function. * unwind-generic.h (_Unwind_GetIPInfo): New prototype. * unwind-compat.c (_Unwind_GetIPInfo): New function. * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0. * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function. * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define. * config/i386/linux-unwind.h (x86_fallback_frame_state, x86_64_fallback_frame_state): Set fs->signal_frame. * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise. (MD_FROB_UPDATE_CONTEXT): Define unconditionally. (frob_update_context): Likewise. Workaround missing S flag in Linux 2.6.12 - 2.6.16 kernel vDSOs. * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise. Remove the psw_addr + 1 hack. libjava/ * exception.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * include/i386-signal.h (MAKE_THROW_FRAME): Change into empty macro. (HANDLE_DIVIDE_OVERFLOW): Don't adjust _res->eip if falling through to throw. * include/x86_64-signal.h (MAKE_THROW_FRAME): Change into empty macro. * include/powerpc-signal.h (MAKE_THROW_FRAME): Change into empty macro. libstdc++-v3/ * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. From-SVN: r111488
2006-02-27 18:26:26 +01:00
// FIXME: In Phase 1, record _Unwind_GetIPInfo in xh->obj as a part of
// the stack trace for this exception. This will only collect Java
// frames, but perhaps that is acceptable.
re PR other/26208 (Serious problem with unwinding through signal frames) PR other/26208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field. (extract_cie_info): Handle S flag in augmentation string. (execute_cfa_program): If context->signal_frame, execute also fs->pc == context->ra instructions. (uw_frame_state_for): If context->signal_frame, don't subtract one from context->ra to find FDE. (uw_update_context_1): Set context->signal_frame to fs->signal_frame. (_Unwind_GetIPInfo): New function. * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field. * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * unwind-sjlj.c (_Unwind_GetIPInfo): New function. * unwind-generic.h (_Unwind_GetIPInfo): New prototype. * unwind-compat.c (_Unwind_GetIPInfo): New function. * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0. * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function. * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define. * config/i386/linux-unwind.h (x86_fallback_frame_state, x86_64_fallback_frame_state): Set fs->signal_frame. * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise. (MD_FROB_UPDATE_CONTEXT): Define unconditionally. (frob_update_context): Likewise. Workaround missing S flag in Linux 2.6.12 - 2.6.16 kernel vDSOs. * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise. Remove the psw_addr + 1 hack. libjava/ * exception.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * include/i386-signal.h (MAKE_THROW_FRAME): Change into empty macro. (HANDLE_DIVIDE_OVERFLOW): Don't adjust _res->eip if falling through to throw. * include/x86_64-signal.h (MAKE_THROW_FRAME): Change into empty macro. * include/powerpc-signal.h (MAKE_THROW_FRAME): Change into empty macro. libstdc++-v3/ * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. From-SVN: r111488
2006-02-27 18:26:26 +01:00
// FIXME2: _Unwind_GetIPInfo is nonsensical for SJLJ, being a call-site
// index instead of a PC value. We could perhaps arrange for
// _Unwind_GetRegionStart to return context->fc->jbuf[1], which
// is the address of the handler label for __builtin_longjmp, but
// there is no solution for DONT_USE_BUILTIN_SETJMP.
language_specific_data = (const unsigned char *)
_Unwind_GetLanguageSpecificData (context);
// If no LSDA, then there are no handlers or cleanups.
if (! language_specific_data)
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
CONTINUE_UNWINDING;
// Parse the LSDA header.
p = parse_lsda_header (context, language_specific_data, &info);
#ifdef HAVE_GETIPINFO
re PR other/26208 (Serious problem with unwinding through signal frames) PR other/26208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field. (extract_cie_info): Handle S flag in augmentation string. (execute_cfa_program): If context->signal_frame, execute also fs->pc == context->ra instructions. (uw_frame_state_for): If context->signal_frame, don't subtract one from context->ra to find FDE. (uw_update_context_1): Set context->signal_frame to fs->signal_frame. (_Unwind_GetIPInfo): New function. * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field. * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * unwind-sjlj.c (_Unwind_GetIPInfo): New function. * unwind-generic.h (_Unwind_GetIPInfo): New prototype. * unwind-compat.c (_Unwind_GetIPInfo): New function. * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0. * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function. * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define. * config/i386/linux-unwind.h (x86_fallback_frame_state, x86_64_fallback_frame_state): Set fs->signal_frame. * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise. (MD_FROB_UPDATE_CONTEXT): Define unconditionally. (frob_update_context): Likewise. Workaround missing S flag in Linux 2.6.12 - 2.6.16 kernel vDSOs. * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise. Remove the psw_addr + 1 hack. libjava/ * exception.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * include/i386-signal.h (MAKE_THROW_FRAME): Change into empty macro. (HANDLE_DIVIDE_OVERFLOW): Don't adjust _res->eip if falling through to throw. * include/x86_64-signal.h (MAKE_THROW_FRAME): Change into empty macro. * include/powerpc-signal.h (MAKE_THROW_FRAME): Change into empty macro. libstdc++-v3/ * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. From-SVN: r111488
2006-02-27 18:26:26 +01:00
ip = _Unwind_GetIPInfo (context, &ip_before_insn);
#else
ip = _Unwind_GetIP (context);
#endif
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
if (! ip_before_insn)
--ip;
landing_pad = 0;
action_record = 0;
handler_switch_value = 0;
1999-11-19 20:13:42 +01:00
#ifdef SJLJ_EXCEPTIONS
// The given "IP" is an index into the call-site table, with two
// exceptions -- -1 means no-action, and 0 means terminate. But
// since we're using uleb128 values, we've not got random access
// to the array.
if ((int) ip <= 0)
return _URC_CONTINUE_UNWIND;
else
{
_uleb128_t cs_lp, cs_action;
do
{
p = read_uleb128 (p, &cs_lp);
p = read_uleb128 (p, &cs_action);
}
while (--ip);
// Can never have null landing pad for sjlj -- that would have
// been indicated by a -1 call site index.
landing_pad = cs_lp + 1;
if (cs_action)
action_record = info.action_table + cs_action - 1;
goto found_something;
}
1999-11-19 20:13:42 +01:00
#else
// Search the call-site table for the action associated with this IP.
while (p < info.action_table)
{
_Unwind_Ptr cs_start, cs_len, cs_lp;
_uleb128_t cs_action;
// Note that all call-site encodings are "absolute" displacements.
p = read_encoded_value (0, info.call_site_encoding, p, &cs_start);
p = read_encoded_value (0, info.call_site_encoding, p, &cs_len);
p = read_encoded_value (0, info.call_site_encoding, p, &cs_lp);
p = read_uleb128 (p, &cs_action);
// The table is sorted, so if we've passed the ip, stop.
if (ip < info.Start + cs_start)
p = info.action_table;
else if (ip < info.Start + cs_start + cs_len)
{
if (cs_lp)
landing_pad = info.LPStart + cs_lp;
if (cs_action)
action_record = info.action_table + cs_action - 1;
goto found_something;
}
}
#endif // SJLJ_EXCEPTIONS
// If ip is not present in the table, C++ would call terminate.
// ??? It is perhaps better to tweek the LSDA so that no-action
// is mapped to no-entry for Java.
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
CONTINUE_UNWINDING;
found_something:
saw_cleanup = false;
saw_handler = false;
if (landing_pad == 0)
{
// If ip is present, and has a null landing pad, there are
// no cleanups or handlers to be run.
}
else if (action_record == 0)
{
// If ip is present, has a non-null landing pad, and a null
// action table offset, then there are only cleanups present.
// Cleanups use a zero switch value, as set above.
saw_cleanup = true;
}
else
{
// Otherwise we have a catch handler.
_sleb128_t ar_filter, ar_disp;
while (1)
{
p = action_record;
p = read_sleb128 (p, &ar_filter);
read_sleb128 (p, &ar_disp);
if (ar_filter == 0)
{
// Zero filter values are cleanups.
saw_cleanup = true;
}
// During forced unwinding, we only run cleanups. With a
// foreign exception class, we have no class info to match.
else if ((actions & _UA_FORCE_UNWIND)
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
|| foreign_exception)
;
else if (ar_filter > 0)
{
// Positive filter values are handlers.
lang.c (LANG_HOOKS_GET_CALLEE_FNDECL): New. 2003-10-22 Andrew Haley <aph@redhat.com> * lang.c (LANG_HOOKS_GET_CALLEE_FNDECL): New. (java_get_callee_fndecl): New. * jcf-parse.c (java_parse_file): Call emit_catch_table(). * java-tree.h (ctable_decl): New. (catch_classes): New. (java_tree_index): Add JTI_CTABLE_DECL, JTI_CATCH_CLASSES. * decl.c (java_init_decl_processing): Add catch_class_type. Add ctable_decl. Add catch_classes field. * class.c (build_indirect_class_ref): Break out from build_class_ref. (make_field_value): Check flag_indirect_dispatch. (make_class_data): Ditto. Tidy uses of PUSH_FIELD_VALUE. Add field catch_classes. (make_catch_class_record): New. * java-tree.h (PUSH_FIELD_VALUE): Tidy. 2003-10-22 Andrew Haley <aph@redhat.com> * java/lang/natClass.cc (initializeClass): Call _Jv_linkExceptionClassTable. (_Jv_LinkSymbolTable): Call )_Jv_ThrowNoSuchMethodError. Call _Jv_Defer_Resolution on a method whose ncode is NULL. (_Jv_linkExceptionClassTable): New function. (_Jv_LayoutVTableMethods): If superclass looks like a constant pool entry, look it up. * java/lang/Class.h (struct _Jv_CatchClass): New. (_Jv_linkExceptionClassTable): New friend. (_Jv_Defer_Resolution): New friend. (class Class.catch_classes): New field. * include/java-interp.h (Jv_Defer_Resolution): New method. (_Jv_PrepareClass): Make a friend of _Jv_MethodBase. (_Jv_MethodBase.deferred): New field. (_Jv_Defer_Resolution): New function. * resolve.cc (_Jv_PrepareClass): Resolve deferred handlers. * exception.cc (get_ttype_entry): Change return type to void**. (PERSONALITY_FUNCTION): Remove all code related to using a Utf8Const* for a match type. Change match type to be a pointer to a pointer, rather than a pointer to a Class. * defineclass.cc (handleCodeAttribute): Initialize method->deferred. (handleMethodsEnd): Likewise. From-SVN: r72886
2003-10-24 11:29:43 +02:00
void **catch_word = get_ttype_entry (context, &info, ar_filter);
jclass catch_type = (jclass)*catch_word;
// FIXME: This line is a kludge to work around exception
// handlers written in C++, which don't yet use indirect
// dispatch.
if (catch_type == *(void **)&java::lang::Class::class$)
catch_type = (jclass)catch_word;
if (_Jv_IsInstanceOf (xh->value, catch_type))
{
handler_switch_value = ar_filter;
saw_handler = true;
break;
}
}
else
{
// Negative filter values are exception specifications,
// which Java does not use.
// ??? Perhaps better to make them an index into a table
// of null-terminated strings instead of playing games
// with Utf8Const+1 as above.
abort ();
}
if (ar_disp == 0)
break;
action_record = p + ar_disp;
}
}
if (! saw_handler && ! saw_cleanup)
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
CONTINUE_UNWINDING;
if (actions & _UA_SEARCH_PHASE)
{
if (! saw_handler)
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
CONTINUE_UNWINDING;
// For domestic exceptions, we cache data from phase 1 for phase 2.
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
if (! foreign_exception)
{
xh->handlerSwitchValue = handler_switch_value;
xh->landingPad = landing_pad;
}
return _URC_HANDLER_FOUND;
}
install_context:
_Unwind_SetGR (context, __builtin_eh_return_data_regno (0),
(_Unwind_Ptr) &xh->unwindHeader);
_Unwind_SetGR (context, __builtin_eh_return_data_regno (1),
handler_switch_value);
_Unwind_SetIP (context, landing_pad);
[multiple changes] 2007-09-04 Andrew Haley <aph@redhat.com> PR java/27908 * testsuite/libjava.lang/PR27908.java ({run1,run2,run3}.isRunning): New Method. (main): Fix race condition. 2007-08-29 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass): Make sure we're not sibcalled. (GET_CALLING_CLASS): Define for ARM EABI. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.host (BACKTRACESPEC): Add arm*-linux*. 2007-08-22 Andrew Haley <aph@redhat.com> * configure.ac (LIBSTDCXXSPEC): New. * configure.host: Add arm*-linux* to pthread test. * configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM EABI. * testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use -fexceptions for ARM EABI. * testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec. (libjava_invoke): Log the invocation. 2007-08-15 Andrew Haley <aph@redhat.com> * configure.ac (extra_ldflags): Define. * Makefile.am: Use extra_ldflags for all executables. 2007-08-14 Andrew Haley <aph@redhat.com> * sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo, _Unwind_GetRegionStart, and _Unwind_Backtrace. 2007-07-27 Andrew Haley <aph@redhat.com> * gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for ARM EABI. * exception.cc (get_exception_header_from_ue): New. (get_ttype_entry): ARM EABI version. (PERSONALITY_FUNCTION): Add ARM EABI code. * sysdep/arm/backtrace.h: New file. * stacktrace.cc (_URC_NORMAL_STOP): New. * configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM EABI. * configure.host (BACKTRACESPEC): Add arm/backtrace.h. From-SVN: r128098
2007-09-04 20:00:31 +02:00
#ifdef __ARM_EABI_UNWINDER__
if (saw_cleanup)
__cxa_begin_cleanup(ue_header);
#endif
return _URC_INSTALL_CONTEXT;
}
#ifdef __SEH__
extern "C"
EXCEPTION_DISPOSITION
__gcj_personality_seh0 (PEXCEPTION_RECORD ms_exc, void *this_frame,
PCONTEXT ms_orig_context, PDISPATCHER_CONTEXT ms_disp)
{
return _GCC_specific_handler (ms_exc, this_frame, ms_orig_context,
ms_disp, __gcj_personality_imp);
}
#endif /* SEH */