/* src/vm/jit/sparc64/linux/md-os.c - machine dependent SPARC Linux functions
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
#include "vm/signallocal.h"
#include "vm/stringlocal.h"
+
#include "vm/jit/asmpart.h"
#include "vm/jit/stacktrace.h"
+#include "vm/jit/trap.h"
typedef struct sigcontext sigcontext;
void md_signal_handler_sigsegv(int sig, siginfo_t *info , void *_p)
{
- stackframeinfo sfi;
/*
ucontext_t *_uc;
mcontext_t *_mc;
/* flush register windows? */
- val = md_get_reg_from_context(ctx, d);
+ val = md_get_reg_from_context(ctx, d);
/* check for special-load */
type = (int) addr;
}
- /* create stackframeinfo */
-
- stacktrace_create_extern_stackframeinfo(&sfi, pv, sp, ra, xpc);
-
- /* Handle the type. */
-
- p = signal_handle(xpc, type, val);
-
- /* remove stackframeinfo */
+ /* Handle the trap. */
- stacktrace_remove_stackframeinfo(&sfi);
+ p = trap_handle(type, val, pv, sp, ra, xpc, _p);
/* set registers */
- ctx->sigc_regs.u_regs[REG_ITMP2_XPTR] = (intptr_t) p;
- ctx->sigc_regs.u_regs[REG_ITMP3_XPC] = (intptr_t) xpc;
- ctx->sigc_regs.tpc = (intptr_t) asm_handle_exception;
- ctx->sigc_regs.tnpc = (intptr_t) asm_handle_exception + 4;
+ ctx->sigc_regs.u_regs[REG_ITMP2_XPTR] = (uintptr_t) p;
+ ctx->sigc_regs.u_regs[REG_ITMP3_XPC] = (uintptr_t) xpc;
+ ctx->sigc_regs.tpc = (uintptr_t) asm_handle_exception;
+ ctx->sigc_regs.tnpc = (uintptr_t) asm_handle_exception + 4;
}
}
}
-#if defined(ENABLE_THREADS)
-/* md_critical_section_restart ************************************************
-
- Search the critical sections tree for a matching section and set
- the NPC to the restart point, if necessary.
-
- Reads PC and modifies NPC.
-
-******************************************************************************/
-
-void md_critical_section_restart(ucontext_t *_uc)
-{
- /* mcontext_t *_mc; */
- sigcontext *ctx;
- u1 *pc;
- u1 *npc;
-
- printf("ignoring md_critical_section_restart\n");
- return;
-
- /* again, we are getting sigcontext instead of ucontext */
- ctx = (sigcontext *) _uc;
-
- pc = (u1 *) ctx->sigc_regs.tpc;
-
- npc = critical_find_restart_point(pc);
-
- if (npc != NULL) {
- log_println("md_critical_section_restart: pc=%p, npc=%p", pc, npc);
- ctx->sigc_regs.tnpc = (ptrint) npc;
- }
-
-}
-#endif
/*
* These are local overrides for various environment variables in Emacs.