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author | Andrew Haley <aph@redhat.com> | 2016-09-30 16:24:48 +0000 |
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committer | Andrew Haley <aph@gcc.gnu.org> | 2016-09-30 16:24:48 +0000 |
commit | 07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch) | |
tree | 3f22b3241c513ad168c8353805614ae1249410f4 /libjava/include/dwarf2-signal.h | |
parent | eae993948bae8b788c53772bcb9217c063716f93 (diff) | |
download | gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.zip gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.gz gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.bz2 |
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com>
* Makefile.def: Remove libjava.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
* configure.ac: Likewise.
* configure: Likewise.
* gcc/java: Remove.
* libjava: Likewise.
From-SVN: r240662
Diffstat (limited to 'libjava/include/dwarf2-signal.h')
-rw-r--r-- | libjava/include/dwarf2-signal.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/libjava/include/dwarf2-signal.h b/libjava/include/dwarf2-signal.h deleted file mode 100644 index ec5929c..0000000 --- a/libjava/include/dwarf2-signal.h +++ /dev/null @@ -1,190 +0,0 @@ -// dwarf2-signal.h - Catch runtime signals and turn them into exceptions. - -/* Copyright (C) 2000, 2001, 2009, 2011, 2014 Free Software Foundation - - This file is part of libgcj. - - Use this file for a target for which the dwarf2 unwinder in libgcc - can unwind through signal handlers. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -#ifndef JAVA_SIGNAL_H -#define JAVA_SIGNAL_H 1 - -#include <signal.h> -#include <sys/syscall.h> - -#define HANDLE_SEGV 1 -#undef HANDLE_FPE - -#define SIGNAL_HANDLER(_name) \ -static void _Jv_##_name (int, siginfo_t *, \ - void *_p __attribute__ ((__unused__))) - -// Unwind the stack to the point at which the signal was generated and -// then throw an exception. With the dwarf2 unwinder we don't usually -// need to do anything, with some minor exceptions. - -#ifdef __ia64__ - -#define MAKE_THROW_FRAME(_exception) \ -do \ -{ \ - /* IA-64 either leaves PC pointing at a faulting instruction or the \ - following instruction, depending on the signal. SEGV always does \ - the former, so we adjust the saved PC to point to the following \ - instruction; this is what the handler in libgcc expects. */ \ - /* Note that we are lying to the unwinder here, which expects the \ - faulting pc, not pc+1. But we claim the unwind information can't \ - be changed by such a ld or st instruction, so it doesn't matter. */ \ - struct sigcontext *_sc = (struct sigcontext *)_p; \ - _sc->sc_ip++; \ -} \ -while (0) - -#else -#define MAKE_THROW_FRAME(_exception) -#endif - -#if defined(__sparc__) -#if defined(__arch64__) -extern "C" { - static void __rt_sigreturn_stub(void) - { - __asm__("mov %0, %%g1\n\t" - "ta 0x6d\n\t" - : /* no outputs */ - : "i" (__NR_rt_sigreturn)); - } - struct kernel_sigaction - { - void (*k_sa_sigaction)(int,siginfo_t *,void *); - unsigned long k_sa_flags; - void (*k_sa_restorer)(void); - sigset_t k_sa_mask; - }; -} -#define INIT_SEGV \ -do \ - { \ - struct kernel_sigaction act; \ - unsigned long stub = ((unsigned long)&__rt_sigreturn_stub); \ - act.k_sa_sigaction = _Jv_catch_segv; \ - sigemptyset (&act.k_sa_mask); \ - act.k_sa_flags = SA_SIGINFO; \ - act.k_sa_restorer = NULL; \ - syscall (SYS_rt_sigaction, SIGSEGV, &act, NULL, \ - stub - 8, _NSIG / 8); \ - } \ -while (0) - -#define INIT_FPE \ -do \ - { \ - struct kernel_sigaction act; \ - unsigned long stub = ((unsigned long)&__rt_sigreturn_stub); \ - act.k_sa_sigaction = _Jv_catch_fpe; \ - sigemptyset (&act.k_sa_mask); \ - act.k_sa_flags = SA_SIGINFO; \ - act.k_sa_restorer = NULL; \ - syscall (SYS_rt_sigaction, SIGFPE, &act, NULL, \ - stub - 8, _NSIG / 8); \ - } \ -while (0) -#else /* __arch64__ */ - -extern "C" { - struct kernel_sigaction - { - void (*k_sa_sigaction)(int,siginfo_t *,void *); - unsigned long k_sa_mask, k_sa_flags; - void (*k_sa_restorer)(void); - }; -} - -#define INIT_SEGV \ -do \ - { \ - struct kernel_sigaction act; \ - act.k_sa_sigaction = _Jv_catch_segv; \ - act.k_sa_mask = 0; \ - act.k_sa_flags = SA_SIGINFO; \ - act.k_sa_restorer = NULL; \ - syscall (SYS_sigaction, -SIGSEGV, &act, NULL); \ - } \ -while (0) - -#define INIT_FPE \ -do \ - { \ - struct kernel_sigaction act; \ - act.k_sa_sigaction = _Jv_catch_fpe; \ - act.k_sa_mask = 0; \ - act.k_sa_flags = SA_SIGINFO; \ - act.k_sa_restorer = NULL; \ - syscall (SYS_sigaction, -SIGFPE, &act, NULL); \ - } \ -while (0) -#endif -#elif !defined(__ia64__) -#define INIT_SEGV \ -do \ - { \ - struct sigaction act; \ - act.sa_sigaction = _Jv_catch_segv; \ - sigemptyset (&act.sa_mask); \ - act.sa_flags = SA_SIGINFO; \ - syscall (SYS_sigaction, SIGSEGV, &act, NULL); \ - } \ -while (0) - -#define INIT_FPE \ -do \ - { \ - struct sigaction act; \ - act.sa_sigaction = _Jv_catch_fpe; \ - sigemptyset (&act.sa_mask); \ - act.sa_flags = SA_SIGINFO; \ - syscall (SYS_sigaction, SIGFPE, &act, NULL); \ - } \ -while (0) - -/* We use syscall(SYS_sigaction) in INIT_SEGV and INIT_FPE instead of - * sigaction() because on some systems the pthreads wrappers for - * signal handlers are not compiled with unwind information, so it's - * not possible to unwind through them. This is a problem that will - * go away once all systems have pthreads libraries that are - * compiled with full unwind info. */ - -#else /* __ia64__ */ - -// On IA64, unwind information is mandatory, so we can unwind -// correctly through glibc frames. Thus we call the ordinary -// sigaction. - -#define INIT_SEGV \ -do \ - { \ - struct sigaction act; \ - act.sa_sigaction = _Jv_catch_segv; \ - sigemptyset (&act.sa_mask); \ - act.sa_flags = SA_SIGINFO; \ - sigaction (SIGSEGV, &act, NULL); \ - } \ -while (0) - -#define INIT_FPE \ -do \ - { \ - struct sigaction act; \ - act.sa_sigaction = _Jv_catch_fpe; \ - sigemptyset (&act.sa_mask); \ - act.sa_flags = SA_SIGINFO; \ - sigaction (SIGFPE, &act, NULL); \ - } \ -while (0) -#endif /* __ia64__ || __sparc__ */ -#endif /* JAVA_SIGNAL_H */ |