X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fbreakpoint.c;h=4c587ebc22b9ef2801e9547e2c2f97a6184f806b;hb=e08e932c669e0ca9382ffe4d7a4b3b484bd3cccf;hp=be487fad5f3888149c2df6b3db0bab576260470a;hpb=686a9686a8a9158faa7c60b90bee7bea5a9bb76d;p=sbcl.git diff --git a/src/runtime/breakpoint.c b/src/runtime/breakpoint.c index be487fa..4c587eb 100644 --- a/src/runtime/breakpoint.c +++ b/src/runtime/breakpoint.c @@ -71,7 +71,6 @@ void breakpoint_do_displaced_inst(os_context_t* context, arch_do_displaced_inst(context, orig_inst); } -#if !(defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64)) static lispobj find_code(os_context_t *context) { #ifdef reg_CODE @@ -88,22 +87,15 @@ static lispobj find_code(os_context_t *context) else return code - HeaderValue(header)*sizeof(lispobj); #else - return NIL; -#endif -} -#else -static lispobj find_code(os_context_t *context) -{ lispobj codeptr = (lispobj)component_ptr_from_pc((lispobj *)(*os_context_pc_addr(context))); - if (codeptr == 0) { + if (codeptr == 0) return NIL; - } else { + else return codeptr + OTHER_POINTER_LOWTAG; - } -} #endif +} static long compute_offset(os_context_t *context, lispobj code) { @@ -153,15 +145,15 @@ void handle_breakpoint(int signal, siginfo_t* info, os_context_t *context) undo_fake_foreign_function_call(context); } -#if !(defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64)) void *handle_fun_end_breakpoint(int signal, siginfo_t *info, os_context_t *context) { - lispobj code, lra; + lispobj code, context_sap, lra; struct code *codeptr; fake_foreign_function_call(context); + context_sap = alloc_sap(context); code = find_code(context); codeptr = (struct code *)native_pointer(code); @@ -172,42 +164,20 @@ void *handle_fun_end_breakpoint(int signal, siginfo_t *info, funcall3(SymbolFunction(HANDLE_BREAKPOINT), compute_offset(context, code), code, - alloc_sap(context)); + context_sap); lra = codeptr->constants[REAL_LRA_SLOT]; + #ifdef reg_CODE - if (codeptr->constants[KNOWN_RETURN_P_SLOT] == NIL) { + if (codeptr->constants[KNOWN_RETURN_P_SLOT] == NIL) *os_context_register_addr(context, reg_CODE) = lra; - } #endif - undo_fake_foreign_function_call(context); - return (void *)(lra-OTHER_POINTER_LOWTAG+sizeof(lispobj)); -} -#else -void *handle_fun_end_breakpoint(int signal, siginfo_t *info, - os_context_t *context) -{ - lispobj code, context_sap; - struct code *codeptr; - - fake_foreign_function_call(context); - - context_sap = alloc_sap(context); - code = find_code(context); - codeptr = (struct code *)native_pointer(code); - - /* Don't disallow recursive breakpoint traps. Otherwise, we can't - * use debugger breakpoints anywhere in here. */ - thread_sigmask(SIG_SETMASK, os_context_sigmask_addr(context), 0); - - funcall3(SymbolFunction(HANDLE_BREAKPOINT), - compute_offset(context, code), - code, - context_sap); undo_fake_foreign_function_call(context); - return compute_pc(codeptr->constants[REAL_LRA_SLOT], - fixnum_value(codeptr->constants[REAL_LRA_SLOT+1])); -} +#ifdef reg_LRA + return (void *)(lra-OTHER_POINTER_LOWTAG+sizeof(lispobj)); +#else + return compute_pc(lra, fixnum_value(codeptr->constants[REAL_LRA_SLOT+1])); #endif +}