X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-arch.c;h=c32aed7f723aa7e3ec7e16d9456005195a1ef2f6;hb=6fa968aaa8051da23cc3153a1c0e67addbea85f6;hp=521369cb2f811c92dc097a16e3f9e0da712c84e8;hpb=1fca8fbb946ba06cedf777c3a6927f14d24cfae5;p=sbcl.git diff --git a/src/runtime/x86-arch.c b/src/runtime/x86-arch.c index 521369c..c32aed7 100644 --- a/src/runtime/x86-arch.c +++ b/src/runtime/x86-arch.c @@ -222,12 +222,12 @@ restore_breakpoint_from_single_step(os_context_t * context) #endif /* Re-install the breakpoint if possible. */ if (*os_context_pc_addr(context) == (int)single_stepping + 1) { - fprintf(stderr, "warning: couldn't reinstall breakpoint\n"); + fprintf(stderr, "warning: couldn't reinstall breakpoint\n"); } else { - *((char *)single_stepping) = BREAKPOINT_INST; /* x86 INT3 */ - *((char *)single_stepping+1) = trap_Breakpoint; + *((char *)single_stepping) = BREAKPOINT_INST; /* x86 INT3 */ + *((char *)single_stepping+1) = trap_Breakpoint; } - + single_stepping = NULL; return; } @@ -241,8 +241,8 @@ sigtrap_handler(int signal, siginfo_t *info, void *void_context) #ifndef LISP_FEATURE_WIN32 /* On Windows this is done in the SE handler. */ if (single_stepping && (signal==SIGTRAP)) { - restore_breakpoint_from_single_step(context); - return; + restore_breakpoint_from_single_step(context); + return; } #endif @@ -328,14 +328,14 @@ sigtrap_handler(int signal, siginfo_t *info, void *void_context) } } -static void +void sigill_handler(int signal, siginfo_t *siginfo, void *void_context) { os_context_t *context = (os_context_t*)void_context; /* Triggering SIGTRAP using int3 is unreliable on OS X/x86, so * we need to use illegal instructions for traps. */ -#if defined(LISP_FEATURE_DARWIN) +#if defined(LISP_FEATURE_DARWIN) && !defined(LISP_FEATURE_MACH_EXCEPTION_HANDLER) if (*((unsigned short *)*os_context_pc_addr(context)) == 0x0b0f) { *os_context_pc_addr(context) += 2; return sigtrap_handler(signal, siginfo, void_context); @@ -361,7 +361,7 @@ arch_install_interrupt_handlers() * OS I haven't tested on?) and we have to go back to the old CMU * CL way, I hope there will at least be a comment to explain * why.. -- WHN 2001-06-07 */ -#ifndef LISP_FEATURE_WIN32 +#if !defined(LISP_FEATURE_WIN32) && !defined(LISP_FEATURE_MACH_EXCEPTION_HANDLER) undoably_install_low_level_interrupt_handler(SIGILL , sigill_handler); undoably_install_low_level_interrupt_handler(SIGTRAP, sigtrap_handler); #endif