X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-arch.c;h=d6150dd5f5094f8c4a192c1a640400b3db7672bd;hb=bf77540f53dbb693d87b9ff4fbfd09d3de7fb2d9;hp=3ef7fc861518a0f7416ae5f322de3795a03a3323;hpb=6c605fa4b46d3fee9304c4e40e0e605aa5a24f28;p=sbcl.git diff --git a/src/runtime/x86-arch.c b/src/runtime/x86-arch.c index 3ef7fc8..d6150dd 100644 --- a/src/runtime/x86-arch.c +++ b/src/runtime/x86-arch.c @@ -66,7 +66,7 @@ context_eflags_addr(os_context_t *context) #elif defined __OpenBSD__ return &context->sc_eflags; #elif defined LISP_FEATURE_DARWIN - return (int *)(&context->uc_mcontext->ss.eflags); + return (int *)(&context->uc_mcontext->SS.EFLAGS); #elif defined __NetBSD__ return &(context->uc_mcontext.__gregs[_REG_EFL]); #elif defined LISP_FEATURE_WIN32 @@ -204,7 +204,7 @@ arch_do_displaced_inst(os_context_t *context, unsigned int orig_inst) single_stepping = pc; #ifdef CANNOT_GET_TO_SINGLE_STEP_FLAG - *os_context_pc_addr(context) = (char *)pc - 9; + *os_context_pc_addr(context) = (os_context_register_t)((char *)pc - 9); #endif } @@ -256,19 +256,17 @@ arch_handle_single_step_trap(os_context_t *context, int trap) handle_single_step_trap(context, trap, 0); } +#ifndef LISP_FEATURE_WIN32 void sigtrap_handler(int signal, siginfo_t *info, void *void_context) { os_context_t *context = (os_context_t*)void_context; unsigned int trap; -#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; } -#endif /* This is just for info in case the monitor wants to print an * approximation. */ @@ -285,7 +283,6 @@ sigtrap_handler(int signal, siginfo_t *info, void *void_context) os_restore_fp_control(context); #endif - #ifdef LISP_FEATURE_SUNOS /* For some reason the breakpoints that :ENCAPSULATE NIL tracing sets up * cause a trace trap (i.e. processor single-stepping trap) on the following @@ -302,8 +299,7 @@ sigtrap_handler(int signal, siginfo_t *info, void *void_context) * number of bytes will follow, the first is the length of the byte * arguments to follow. */ trap = *(unsigned char *)(*os_context_pc_addr(context)); - if (!maybe_handle_trap(context, trap)) - interrupt_handle_now(signal, info, context); + handle_trap(context, trap); } void @@ -319,10 +315,10 @@ sigill_handler(int signal, siginfo_t *siginfo, void *void_context) { return sigtrap_handler(signal, siginfo, void_context); } #endif - fake_foreign_function_call(context); - lose("fake_foreign_call fell through"); + lose("Unhandled SIGILL"); } +#endif /* not LISP_FEATURE_WIN32 */ void arch_install_interrupt_handlers() @@ -343,56 +339,9 @@ arch_install_interrupt_handlers() undoably_install_low_level_interrupt_handler(SIGILL , sigill_handler); undoably_install_low_level_interrupt_handler(SIGTRAP, sigtrap_handler); #endif - SHOW("returning from arch_install_interrupt_handlers()"); } -/* This is implemented in assembly language and called from C: */ -extern lispobj -call_into_lisp(lispobj fun, lispobj *args, int nargs); - -/* These functions are an interface to the Lisp call-in facility. - * Since this is C we can know nothing about the calling environment. - * The control stack might be the C stack if called from the monitor - * or the Lisp stack if called as a result of an interrupt or maybe - * even a separate stack. The args are most likely on that stack but - * could be in registers depending on what the compiler likes. So we - * copy the args into a portable vector and let the assembly language - * call-in function figure it out. */ - -lispobj -funcall0(lispobj function) -{ - lispobj *args = NULL; - - FSHOW((stderr, "/entering funcall0(0x%lx)\n", (long)function)); - return call_into_lisp(function, args, 0); -} -lispobj -funcall1(lispobj function, lispobj arg0) -{ - lispobj args[1]; - args[0] = arg0; - return call_into_lisp(function, args, 1); -} -lispobj -funcall2(lispobj function, lispobj arg0, lispobj arg1) -{ - lispobj args[2]; - args[0] = arg0; - args[1] = arg1; - return call_into_lisp(function, args, 2); -} -lispobj -funcall3(lispobj function, lispobj arg0, lispobj arg1, lispobj arg2) -{ - lispobj args[3]; - args[0] = arg0; - args[1] = arg1; - args[2] = arg2; - return call_into_lisp(function, args, 3); -} - #ifdef LISP_FEATURE_LINKAGE_TABLE /* FIXME: It might be cleaner to generate these from the lisp side of * things.