/*
- * 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.
*
* @date 11.9.2006
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include "pdeq.h"
#include "irtools.h"
#include "obst.h"
-#include "array.h"
+#include "array_t.h"
#include "be_dbgout_t.h"
#include "beabi.h"
#include "bemodule.h"
#include "beemitter.h"
#include "dbginfo.h"
+#include "begnuas.h"
/* Non-Stab Symbol and Stab Symbol Types */
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 */
/**
* 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;
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 */
/**
* 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();
/* a type is not ready: put it on the wait queue */
#define SET_TYPE_NOT_READY(wq, tp) \
- do { \
- set_type_link(tp, (void *)1); \
- waitq_put(wq, tp); \
- } while(0)
+ do { \
+ set_type_link(tp, (void *)1); \
+ waitq_put(wq, tp); \
+ } while (0)
/* a the is ready */
#define SET_TYPE_READY(tp) set_type_link(tp, NULL)
/**
* 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);
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;
return;
} /* if */
- if (0 && get_mode_size_bits(mode) & 7) {
+#if 0
+ if (get_mode_size_bits(mode) & 7) {
/* this is a bitfield type, ignore it */
return;
} /* if */
+#endif
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));
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 */
* @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();
/**
* 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);
* @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);
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();
/**
* 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);
+ size_t i, n = get_array_n_dimensions(tp);
unsigned type_num = local ? h->next_type_nr++ : get_type_number(h, tp);
- int *perm;
+ size_t *perm;
be_emit_irprintf("%u=a", type_num);
- NEW_ARR_A(int, perm, n);
+ perm = ALLOCAN(size_t, n);
for (i = 0; i < n; ++i) {
perm[i] = get_array_order(tp, i);
}
for (i = 0; i < n; ++i) {
- int dim = perm[i];
+ size_t dim = perm[i];
if (is_Const(get_array_lower_bound(tp, dim)) && is_Const(get_array_upper_bound(tp, dim))) {
long min = get_array_lower_bound_int(tp, dim);
* @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);
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);
* @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;
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);
ofs = get_entity_offset(ent);
if (is_Struct_type(mtp) && get_type_mode(mtp) != NULL) {
/* this structure is a bitfield, skip */
- int i, n;
+ int m;
+ int n_members = get_struct_n_members(mtp);
- for (i = 0, n = get_struct_n_members(mtp); i < n; ++i) {
- ir_entity *ent = get_struct_member(mtp, i);
- ir_type *tp = get_entity_type(ent);
+ for (m = 0; m < n_members; ++m) {
+ ir_entity *member = get_struct_member(mtp, m);
+ ir_type *member_tp = get_entity_type(member);
int bofs;
- type_num = get_type_number(h, tp);
- size = get_type_size_bytes(tp) * 8;
- bofs = (ofs + get_entity_offset(ent)) * 8 + get_entity_offset_bits_remainder(ent);
+ type_num = get_type_number(h, member_tp);
+ size = get_type_size_bytes(member_tp) * 8;
+ bofs = (ofs + get_entity_offset(member)) * 8 + get_entity_offset_bits_remainder(member);
/* name:type, bit offset from the start of the struct', number of bits in the element. */
- be_emit_irprintf("%s:%u,%d,%u;", get_entity_name(ent), type_num, bofs, size);
+ be_emit_irprintf("%s:%u,%d,%u;", get_entity_name(member), type_num, bofs, size);
}
} else {
/* no bitfield */
* @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;
}
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) {
*/
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)) {
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;
/**
* generate all types.
*/
-static void gen_types(stabs_handle *h) {
+static void gen_types(stabs_handle *h)
+{
wenv_t env;
env.h = h;
env.wq = new_waitq();
+
+ irp_reserve_resources(irp, IRP_RESOURCE_TYPE_LINK);
type_walk(NULL, walk_type, &env);
+ irp_free_resources(irp, IRP_RESOURCE_TYPE_LINK);
+
finish_types(&env);
del_waitq(env.wq);
+
} /* gen_types */
/**
* 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)
{
/**
* 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;
/* create the method entry */
mtp = get_entity_type(ent);
- if (is_lowered_type(mtp))
- mtp = get_associated_type(mtp);
+ while (is_lowered_type(mtp))
+ mtp = get_higher_type(mtp);
if (get_method_n_ress(mtp) > 0)
rtp = get_method_res_type(mtp, 0);
else
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));
/* create parameter entries */
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);
- unsigned type_num = get_type_number(h, ptp);
- char buf[16];
- int ofs = 0;
- ir_entity *stack_ent;
-
- if (! name) {
- snprintf(buf, sizeof(buf), "arg%d", i);
- name = buf;
- }
+ ir_type *ptp = get_method_param_type(mtp, i);
+ const char *name = NULL;
+ char buf[16];
+ int ofs = 0;
+ ir_entity *stack_ent;
+
+ if (! name) {
+ snprintf(buf, sizeof(buf), "arg%d", i);
+ name = buf;
+ }
/* check if this parameter has a stack entity. If it has, it
- it transmitted on the stack, else in a register */
+ * it transmitted on the stack, else in a register */
stack_ent = layout->param_map[i];
if (stack_ent) {
ofs = get_entity_offset(stack_ent) + between_size;
/**
* 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;
/* create entries for automatic variables on the stack */
frame_size = get_type_size_bytes(layout->frame_type);
for (i = 0, n = get_compound_n_members(layout->frame_type); i < n; ++i) {
- ir_entity *ent = get_compound_member(layout->frame_type, i);
+ ir_entity *member = get_compound_member(layout->frame_type, i);
ir_type *tp;
int ofs;
unsigned type_num;
/* ignore spill slots and other helper objects */
- if (is_entity_compiler_generated(ent))
+ if (is_entity_compiler_generated(member))
continue;
- tp = get_entity_type(ent);
+ tp = get_entity_type(member);
/* should not happen in backend but ... */
if (is_Method_type(tp))
continue;
type_num = get_type_number(h, tp);
- ofs = -frame_size + get_entity_offset(ent);
+ ofs = -frame_size + get_entity_offset(member);
be_emit_irprintf("\t.stabs\t\"%s:%u\",%d,0,0,%d\n",
- get_entity_name(ent), type_num, N_LSYM, ofs);
+ get_entity_name(member), type_num, N_LSYM, ofs);
be_emit_write_line();
}
/* we need a lexical block here */
/**
* 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 */
/**
* 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';
/**
* 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);
/** 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,
};
/* Opens a stabs handler */
-dbg_handle *be_stabs_open(void) {
- stabs_handle *h = xmalloc(sizeof(*h));
+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);
projects / libfirm / blobdiff