X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestabs.c;h=265882f798b9904790d6eb73dcc116b8c22f6f09;hb=cd07ee0e8a9a4294f3de5f02b899c88661af8e34;hp=9073c15fae1cb0af3dabce76b511939af0cd38a2;hpb=0fbcef83aa6060534172bb13e71cdadb04428806;p=libfirm

diff --git a/ir/be/bestabs.c b/ir/be/bestabs.c
index 9073c15fa..265882f79 100644
--- a/ir/be/bestabs.c
+++ b/ir/be/bestabs.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -45,6 +45,7 @@
 #include "bemodule.h"
 #include "beemitter.h"
 #include "dbginfo.h"
+#include "begnuas.h"
 
 /* Non-Stab Symbol and Stab Symbol Types */
 enum stabs_types {
@@ -115,7 +116,7 @@ enum stabs_types {
  */
 typedef struct stabs_handle {
 	dbg_handle              base;         /**< the base class */
-	ir_entity               *cur_ent;     /**< current method entity */
+	const ir_entity               *cur_ent;     /**< current method entity */
 	const be_stack_layout_t *layout;      /**< current stack layout */
 	unsigned                next_type_nr; /**< next type number */
 	pmap                    *type_map;    /**< a map from type to type number */
@@ -128,7 +129,8 @@ typedef struct stabs_handle {
 /**
  * Returns the stabs type number of a Firm type.
  */
-static unsigned get_type_number(stabs_handle *h, ir_type *tp) {
+static unsigned get_type_number(stabs_handle *h, ir_type *tp)
+{
 	pmap_entry *entry;
 	unsigned num;
 
@@ -141,7 +143,7 @@ static unsigned get_type_number(stabs_handle *h, ir_type *tp) {
 		num = h->next_type_nr++;
 		pmap_insert(h->type_map, tp, INT_TO_PTR(num));
 	} else {
-		num = PTR_TO_INT(entry->value);
+		num = (unsigned)PTR_TO_INT(entry->value);
 	}
 	return num;
 }  /* get_type_number */
@@ -149,14 +151,16 @@ static unsigned get_type_number(stabs_handle *h, ir_type *tp) {
 /**
  * Map a given Type to void by assigned the type number 0.
  */
-static void map_to_void(stabs_handle *h, ir_type *tp) {
+static void map_to_void(stabs_handle *h, ir_type *tp)
+{
 	pmap_insert(h->type_map, tp, INT_TO_PTR(0));
 }
 
 /**
  * generate the void type.
  */
-static void gen_void_type(stabs_handle *h) {
+static void gen_void_type(stabs_handle *h)
+{
 	(void) h;
 	be_emit_irprintf("\t.stabs\t\"void:t%u=%u\",%d,0,0,0\n", 0, 0, N_LSYM);
 	be_emit_write_line();
@@ -172,7 +176,7 @@ typedef struct walker_env {
   do { \
     set_type_link(tp, (void *)1);  \
     waitq_put(wq, tp);             \
-  } while(0)
+  } while (0)
 
 /* a the is ready */
 #define SET_TYPE_READY(tp)     set_type_link(tp, NULL)
@@ -198,7 +202,8 @@ static const tarval_mode_info dec_output = {
 /**
  * emit a tarval as decimal
  */
-static void be_emit_tv_as_decimal(tarval *tv) {
+static void be_emit_tv_as_decimal(ir_tarval *tv)
+{
 	ir_mode *mode = get_tarval_mode(tv);
 	const tarval_mode_info *old = get_tarval_mode_output_option(mode);
 
@@ -207,13 +212,27 @@ static void be_emit_tv_as_decimal(tarval *tv) {
 	set_tarval_mode_output_option(mode, old);
 }
 
+static void emit_type_name(const ir_type *type)
+{
+	char *c;
+	char buf[256];
+	ir_print_type(buf, sizeof(buf), type);
+	/* replace special chars to be on the safe side */
+	for (c = buf; *c != '\0'; ++c) {
+		if (*c == '\n' || *c == '"' || *c == '\\')
+			*c = '?';
+	}
+	be_emit_string(buf);
+}
+
 /**
  * Generates a primitive type.
  *
  * @param h    the stabs handle
  * @param tp   the type
  */
-static void gen_primitive_type(stabs_handle *h, ir_type *tp) {
+static void gen_primitive_type(stabs_handle *h, ir_type *tp)
+{
 	ir_mode *mode = get_type_mode(tp);
 	unsigned type_num;
 
@@ -233,7 +252,9 @@ static void gen_primitive_type(stabs_handle *h, ir_type *tp) {
 	type_num = get_type_number(h, tp);
 
 	if (mode_is_int(mode)) {
-		be_emit_irprintf("\t.stabs\t\"%s:t%u=r%u;", get_type_name(tp), type_num, type_num);
+		be_emit_cstring("\t.stabs\t\"");
+		emit_type_name(tp);
+		be_emit_irprintf(":t%u=r%u;", type_num, type_num);
 		be_emit_tv_as_decimal(get_mode_min(mode));
 		be_emit_char(';');
 		be_emit_tv_as_decimal(get_mode_max(mode));
@@ -241,7 +262,9 @@ static void gen_primitive_type(stabs_handle *h, ir_type *tp) {
 		be_emit_write_line();
 	} else if (mode_is_float(mode)) {
 		int size = get_type_size_bytes(tp);
-		be_emit_irprintf("\t.stabs\t\"%s:t%u=r1;%d;0;\",%d,0,0,0\n", get_type_name(tp), type_num, size, N_LSYM);
+		be_emit_cstring("\t.stabs\t\"");
+		emit_type_name(tp);
+		be_emit_irprintf(":t%u=r1;%d;0;\",%d,0,0,0\n", type_num, size, N_LSYM);
 		be_emit_write_line();
 	}
 }  /* gen_primitive_type */
@@ -252,18 +275,21 @@ static void gen_primitive_type(stabs_handle *h, ir_type *tp) {
  * @param h    the stabs handle
  * @param tp   the type
  */
-static void gen_enum_type(stabs_handle *h, ir_type *tp) {
+static void gen_enum_type(stabs_handle *h, ir_type *tp)
+{
 	unsigned type_num = get_type_number(h, tp);
 	int i, n;
 
 	SET_TYPE_READY(tp);
-	be_emit_irprintf("\t.stabs\t\"%s:T%u=e", get_type_name(tp), type_num);
+	be_emit_cstring("\t.stabs\t\"");
+	emit_type_name(tp);
+	be_emit_irprintf(":T%u=e", type_num);
 	for (i = 0, n = get_enumeration_n_enums(tp); i < n; ++i) {
 		ir_enum_const *ec = get_enumeration_const(tp, i);
 		char buf[64];
 
 		tarval_snprintf(buf, sizeof(buf), get_enumeration_value(ec));
-		be_emit_irprintf("%s:%s,", get_enumeration_name(ec), buf);
+		be_emit_irprintf("%s:%s,", get_enumeration_const_name(ec), buf);
 	}
 	be_emit_irprintf(";\",%d,0,0,0\n", N_LSYM);
 	be_emit_write_line();
@@ -272,7 +298,8 @@ static void gen_enum_type(stabs_handle *h, ir_type *tp) {
 /**
  * print a pointer type
  */
-void print_pointer_type(stabs_handle *h, ir_type *tp, int local) {
+static void print_pointer_type(stabs_handle *h, ir_type *tp, int local)
+{
 	unsigned     type_num = local ? h->next_type_nr++ : get_type_number(h, tp);
 	ir_type      *el_tp   = get_pointer_points_to_type(tp);
 	unsigned     el_num   = get_type_number(h, el_tp);
@@ -286,7 +313,8 @@ void print_pointer_type(stabs_handle *h, ir_type *tp, int local) {
  * @param env  the walker environment
  * @param tp   the type
  */
-static void gen_pointer_type(wenv_t *env, ir_type *tp) {
+static void gen_pointer_type(wenv_t *env, ir_type *tp)
+{
 	stabs_handle *h       = env->h;
 	ir_type      *el_tp   = get_pointer_points_to_type(tp);
 
@@ -294,7 +322,9 @@ static void gen_pointer_type(wenv_t *env, ir_type *tp) {
 	if (! IS_TYPE_READY(el_tp))
 		waitq_put(env->wq, el_tp);
 
-	be_emit_irprintf("\t.stabs\t\"%s:t", get_type_name(tp));
+	be_emit_cstring("\t.stabs\t\"");
+	emit_type_name(tp);
+	be_emit_cstring(":t");
 	print_pointer_type(h, tp, 0);
 	be_emit_irprintf("\",%d,0,0,0\n", N_LSYM);
 	be_emit_write_line();
@@ -303,7 +333,8 @@ static void gen_pointer_type(wenv_t *env, ir_type *tp) {
 /**
  * print an array type
  */
-static void print_array_type(stabs_handle *h, ir_type *tp, int local) {
+static void print_array_type(stabs_handle *h, ir_type *tp, int local)
+{
 	ir_type      *etp     = get_array_element_type(tp);
 	int          i, n     = get_array_n_dimensions(tp);
 	unsigned     type_num = local ? h->next_type_nr++ : get_type_number(h, tp);
@@ -337,7 +368,8 @@ static void print_array_type(stabs_handle *h, ir_type *tp, int local) {
  * @param env  the walker environment
  * @param tp   the type
  */
-static void gen_array_type(wenv_t *env, ir_type *tp) {
+static void gen_array_type(wenv_t *env, ir_type *tp)
+{
 	stabs_handle *h   = env->h;
 	ir_type      *etp = get_array_element_type(tp);
 
@@ -345,7 +377,9 @@ static void gen_array_type(wenv_t *env, ir_type *tp) {
 	if (! IS_TYPE_READY(etp))
 		waitq_put(env->wq, etp);
 
-	be_emit_irprintf("\t.stabs\t\"%s:t", get_type_name(tp));
+	be_emit_cstring("\t.stabs\t\"");
+	emit_type_name(tp);
+	be_emit_cstring(":t");
 
 	print_array_type(h, tp, 0);
 
@@ -359,7 +393,8 @@ static void gen_array_type(wenv_t *env, ir_type *tp) {
  * @param env  the walker environment
  * @param tp   the type
  */
-static void gen_struct_union_type(wenv_t *env, ir_type *tp) {
+static void gen_struct_union_type(wenv_t *env, ir_type *tp)
+{
 	stabs_handle *h       = env->h;
 	unsigned     type_num = get_type_number(h, tp);
 	int          i, n;
@@ -376,8 +411,9 @@ static void gen_struct_union_type(wenv_t *env, ir_type *tp) {
 	else if (is_Union_type(tp))
 		desc = 'u';
 
-	be_emit_irprintf("\t.stabs\t\"%s:Tt%u=%c%d",
-		get_type_name(tp), type_num, desc, get_type_size_bytes(tp));
+	be_emit_cstring("\t.stabs\t\"");
+	emit_type_name(tp);
+	be_emit_irprintf(":Tt%u=%c%d", type_num, desc, get_type_size_bytes(tp));
 
 	for (i = 0, n = get_compound_n_members(tp); i < n; ++i) {
 		ir_entity *ent = get_compound_member(tp, i);
@@ -434,7 +470,8 @@ static void gen_struct_union_type(wenv_t *env, ir_type *tp) {
  * @param env  the walker environment
  * @param tp   the type
  */
-static void gen_method_type(wenv_t *env, ir_type *tp) {
+static void gen_method_type(wenv_t *env, ir_type *tp)
+{
 	stabs_handle *h       = env->h;
 	unsigned     type_num = get_type_number(h, tp);
 	ir_type *rtp = NULL;
@@ -449,7 +486,9 @@ static void gen_method_type(wenv_t *env, ir_type *tp) {
 	}
 	res_type_num = get_type_number(h, rtp);
 
-	be_emit_irprintf("\t.stabs\t\"%s:t%u=f%u", get_type_name(tp), type_num, res_type_num);
+	be_emit_cstring("\t.stabs\t\"");
+	emit_type_name(tp);
+	be_emit_irprintf(":t%u=f%u", type_num, res_type_num);
 
 	/* handle more than one return type */
 	for (i = 1; i < n; ++i) {
@@ -469,7 +508,7 @@ static void gen_method_type(wenv_t *env, ir_type *tp) {
  */
 static void walk_type(type_or_ent tore, void *ctx)
 {
-	wenv_t *env = ctx;
+	wenv_t *env = (wenv_t*)ctx;
 	ir_type  *tp;
 
 	if (is_type(tore.typ)) {
@@ -529,10 +568,9 @@ static void walk_type(type_or_ent tore, void *ctx)
 static void finish_types(wenv_t *env)
 {
 	waitq *wq = env->wq;
-	ir_type *tp;
 
 	while (! waitq_empty(wq)) {
-		tp = waitq_get(wq);
+		ir_type *tp = (ir_type*)waitq_get(wq);
 		if (IS_TYPE_READY(tp))
 			continue;
 
@@ -570,7 +608,8 @@ static void finish_types(wenv_t *env)
 /**
  * generate all types.
  */
-static void gen_types(stabs_handle *h) {
+static void gen_types(stabs_handle *h)
+{
 	wenv_t env;
 
 	env.h  = h;
@@ -586,25 +625,30 @@ static void gen_types(stabs_handle *h) {
 /**
  * start a new source object (compilation unit)
  */
-static void stabs_so(dbg_handle *handle, const char *filename) {
+static void stabs_unit_begin(dbg_handle *handle, const char *filename)
+{
 	stabs_handle *h = (stabs_handle *)handle;
+
+	/* needed for the debug support */
+	be_gas_emit_switch_section(GAS_SECTION_TEXT);
+	be_emit_irprintf("%stext0:\n", be_gas_get_private_prefix());
+	be_emit_write_line();
+
 	h->main_file = h->curr_file = filename;
-	be_emit_irprintf("\t.stabs\t\"%s\",%d,0,0,.Ltext0\n", filename, N_SO);
+	be_emit_irprintf("\t.stabs\t\"%s\",%d,0,0,%stext0\n", filename, N_SO, be_gas_get_private_prefix());
 	be_emit_write_line();
-}  /* stabs_so */
+}
 
-/**
- * Main Program
- */
-static void stabs_main_program(dbg_handle *handle) {
+static void stabs_unit_end(dbg_handle *handle)
+{
 	ir_graph *irg = get_irp_main_irg();
-
 	(void) handle;
 	if (irg) {
-		be_emit_irprintf("\t.stabs\t\"%s\",%d,0,0,0\n", get_entity_name(get_irg_entity(irg)), N_MAIN);
-		be_emit_write_line();
+		ir_entity *entity = get_irg_entity(irg);
+		be_emit_irprintf("\t.stabs\t\"%s\",%d,0,0,0\n",
+		                 get_entity_ld_name(entity), N_MAIN);
 	}
-}  /* stabs_main_program */
+}
 
 static void stabs_set_dbg_info(dbg_handle *h, dbg_info *dbgi)
 {
@@ -641,11 +685,14 @@ static void stabs_set_dbg_info(dbg_handle *h, dbg_info *dbgi)
 /**
  * dump the stabs for a method begin
  */
-static void stabs_method_begin(dbg_handle *handle, ir_entity *ent, const be_stack_layout_t *layout) {
+static void stabs_method_begin(dbg_handle *handle, const ir_entity *ent)
+{
 	stabs_handle *h = (stabs_handle *)handle;
+	ir_graph     *irg = get_entity_irg(ent);
 	ir_type      *mtp, *rtp;
 	unsigned     type_num;
 	int          i, n, between_size;
+	be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
 
 	h->cur_ent = ent;
 	h->layout  = layout;
@@ -661,7 +708,7 @@ static void stabs_method_begin(dbg_handle *handle, ir_entity *ent, const be_stac
 	type_num = get_type_number(h, rtp);
 	be_emit_irprintf("\t.stabs\t\"%s:%c%u\",%u,0,0,%s\n",
 		get_entity_name(ent),
-		get_entity_visibility(ent) == visibility_external_visible ? 'F' : 'f',
+		get_entity_visibility(ent) == ir_visibility_local ? 'f' : 'F',
 		type_num,
 		N_FUN,
 		get_entity_ld_name(ent));
@@ -671,7 +718,7 @@ static void stabs_method_begin(dbg_handle *handle, ir_entity *ent, const be_stac
 	between_size = get_type_size_bytes(layout->between_type);
 	for (i = 0, n = get_method_n_params(mtp); i < n; ++i) {
 		ir_type *ptp      = get_method_param_type(mtp, i);
-        const char *name  = get_method_param_name(mtp, i);
+        const char *name  = NULL;
 		unsigned type_num = get_type_number(h, ptp);
         char buf[16];
         int ofs = 0;
@@ -709,9 +756,10 @@ static void stabs_method_begin(dbg_handle *handle, ir_entity *ent, const be_stac
 /**
  * dump the stabs for a method end
  */
-static void stabs_method_end(dbg_handle *handle) {
+static void stabs_method_end(dbg_handle *handle)
+{
 	stabs_handle            *h = (stabs_handle *)handle;
-	ir_entity               *ent = h->cur_ent;
+	const ir_entity         *ent = h->cur_ent;
 	const be_stack_layout_t *layout = h->layout;
 	const char              *ld_name = get_entity_ld_name(ent);
 	int                     i, n, frame_size;
@@ -756,7 +804,8 @@ static void stabs_method_end(dbg_handle *handle) {
 /**
  * dump types
  */
-static void stabs_types(dbg_handle *handle) {
+static void stabs_types(dbg_handle *handle)
+{
 	stabs_handle *h = (stabs_handle *)handle;
 
 	/* allocate the zero for the void type */
@@ -768,25 +817,25 @@ static void stabs_types(dbg_handle *handle) {
 /**
  * dump a variable in the global type
  */
-static void stabs_variable(dbg_handle *handle, ir_entity *ent) {
+static void stabs_variable(dbg_handle *handle, const ir_entity *ent)
+{
 	stabs_handle *h = (stabs_handle *)handle;
 	unsigned tp_num = get_type_number(h, get_entity_type(ent));
 	char buf[1024];
 
-	if (get_entity_visibility(ent) == visibility_external_visible) {
-		/* a global variable */
-		snprintf(buf, sizeof(buf), "\t.stabs\t\"%s:G%u\",%d,0,0,0\n",
-			get_entity_name(ent), tp_num, N_GSYM);
-	} else { /* some kind of local */
-		ir_variability variability = get_entity_variability(ent);
+	if (get_entity_visibility(ent) == ir_visibility_local) {
+		/* some kind of local */
+		ir_linkage linkage = get_entity_linkage(ent);
 		int kind = N_STSYM;
 
-		if (variability == variability_uninitialized)
-			kind = N_LCSYM;
-		else if (variability == variability_constant)
+		if (linkage & IR_LINKAGE_CONSTANT)
 			kind = N_ROSYM;
 		snprintf(buf, sizeof(buf), "\t.stabs\t\"%s:S%u\",%d,0,0,%s\n",
-			get_entity_name(ent), tp_num, kind, get_entity_ld_name(ent));
+		         get_entity_name(ent), tp_num, kind, get_entity_ld_name(ent));
+	} else {
+		/* a global variable */
+		snprintf(buf, sizeof(buf), "\t.stabs\t\"%s:G%u\",%d,0,0,0\n",
+		         get_entity_name(ent), tp_num, (int)N_GSYM);
 	}
 	buf[sizeof(buf) - 1] = '\0';
 
@@ -796,7 +845,8 @@ static void stabs_variable(dbg_handle *handle, ir_entity *ent) {
 /**
  * Close the stabs handler.
  */
-static void stabs_close(dbg_handle *handle) {
+static void stabs_close(dbg_handle *handle)
+{
 	stabs_handle *h = (stabs_handle *)handle;
 	pmap_destroy(h->type_map);
 	free(h);
@@ -805,8 +855,8 @@ static void stabs_close(dbg_handle *handle) {
 /** The stabs operations. */
 static const debug_ops stabs_ops = {
 	stabs_close,
-	stabs_so,
-	stabs_main_program,
+	stabs_unit_begin,
+	stabs_unit_end,
 	stabs_method_begin,
 	stabs_method_end,
 	stabs_types,
@@ -815,23 +865,18 @@ static const debug_ops stabs_ops = {
 };
 
 /* Opens a stabs handler */
-dbg_handle *be_stabs_open(void) {
-	stabs_handle *h = XMALLOC(stabs_handle);
+static dbg_handle *be_stabs_open(void)
+{
+	stabs_handle *h = XMALLOCZ(stabs_handle);
 
 	h->base.ops     = &stabs_ops;
-	h->cur_ent      = NULL;
-	h->layout       = NULL;
-	h->next_type_nr = 0;
 	h->type_map     = pmap_create_ex(64);
-	h->main_file    = NULL;
-	h->curr_file    = NULL;
 
 	return &h->base;
 }
 
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_stabs)
 void be_init_stabs(void)
 {
 	be_register_dbgout_module("stabs", be_stabs_open);
 }
-
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_stabs);