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Diffstat (limited to 'libsigsegv/src/machfault.h')
| -rw-r--r-- | libsigsegv/src/machfault.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libsigsegv/src/machfault.h b/libsigsegv/src/machfault.h new file mode 100644 index 00000000..fd182a05 --- /dev/null +++ b/libsigsegv/src/machfault.h @@ -0,0 +1,54 @@ +/* Fault handler information. + Copyright (C) 2004 Bruno Haible <bruno@clisp.org> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* The included file defines: + + SIGSEGV_EXC_STATE_TYPE + is a type containing state describing details of an exception, + excluding the thread state. + SIGSEGV_EXC_STATE_FLAVOR + is a macro expanding to a constant int value denoting the + SIGSEGV_EXC_STATE_TYPE type. + SIGSEGV_EXC_STATE_COUNT + is a macro expanding to the number of words of the + SIGSEGV_EXC_STATE_TYPE type. + + SIGSEGV_THREAD_STATE_TYPE + is a type containing the state of a (stopped or interrupted) thread. + SIGSEGV_THREAD_STATE_FLAVOR + is a macro expanding to a constant int value denoting the + SIGSEGV_THREAD_STATE_TYPE type. + SIGSEGV_THREAD_STATE_COUNT + is a macro expanding to the number of words of the + SIGSEGV_THREAD_STATE_TYPE type. + + SIGSEGV_FAULT_ADDRESS(thr_state, exc_state) + is a macro for fetching the fault address. + + SIGSEGV_STACK_POINTER(thr_state) + is a macro, expanding to an lvalue, for fetching the stackpointer at + the moment the fault occurred, and for setting the stackpointer in + effect when the thread continues. + + SIGSEGV_PROGRAM_COUNTER(thr_state) + is a macro, expanding to an lvalue, for fetching the program counter + (= instruction pointer) at the moment the fault occurred, and for + setting the program counter before letting the thread continue. + + */ + +#include CFG_MACHFAULT |