/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @brief Helper function for integrated debug support
* @author Michael Beck
* @date 2005
- * @version $Id$
*/
#include "config.h"
#include <windows.h>
#endif
+#include "debugger.h"
+
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <string.h>
-
-#ifdef HAVE_STRINGS_H
#include <strings.h>
-#endif
#include <ctype.h>
#include "iredges_t.h"
#include "debug.h"
#include "error.h"
+#include "util.h"
#ifdef _WIN32
/* Break into the debugger. The Win32 way. */
-void firm_debug_break(void) {
+void firm_debug_break(void)
+{
DebugBreak();
}
#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64))
/* Break into the debugger. The ia32/x86_64 way under GCC. */
-void firm_debug_break(void) {
+void firm_debug_break(void)
+{
__asm__ __volatile__("int3");
}
#else
/* Break into the debugger. Poor Unix way. */
-void firm_debug_break(void) {
+void firm_debug_break(void)
+{
raise(SIGINT);
}
#endif /* _WIN32 */
/**
* Reasons for node number breakpoints.
*/
-typedef enum _bp_reasons_t {
+typedef enum bp_reasons_t {
BP_ON_NEW_NODE, /**< break if node with number is created */
BP_ON_REPLACE, /**< break if node with number is replaced */
BP_ON_LOWER, /**< break if node with number is lowered */
} bp_reasons_t;
/** A breakpoint. */
-typedef struct _breakpoint {
+typedef struct breakpoint {
bp_kind kind; /**< the kind of this break point */
unsigned bpnr; /**< break point number */
int active; /**< non-zero, if this break point is active */
bp_reasons_t reason; /**< reason for the breakpoint */
- struct _breakpoint *next; /**< link to the next one */
+ struct breakpoint *next; /**< link to the next one */
} breakpoint;
/** A number breakpoint. */
} bp_ident_t;
/** Calculate the hash value for an ident breakpoint. */
-#define HASH_IDENT_BP(key) (HASH_PTR((key).id) ^ (key).bp.reason)
+#define HASH_IDENT_BP(key) (hash_ptr((key).id) ^ (key).bp.reason)
/** The set containing the breakpoints on node numbers. */
static set *bp_numbers;
do { \
debugger_hooks[h].hook._##h = fkt; \
register_hook(h, &debugger_hooks[h]); \
-} while(0)
+} while (0)
/** unhook the hook h */
#define UNHOOK(h) \
do { \
unregister_hook(h, &debugger_hooks[h]); \
debugger_hooks[h].hook._##h = NULL; \
-} while(0)
+} while (0)
/** returns non-zero if a entry hook h is used */
#define IS_HOOKED(h) (debugger_hooks[h].hook._##h != NULL)
#define FIRM_DBG_MINOR 0
/** for automatic detection of the debug extension */
-static const char firm_debug_info_string[] =
+static const char __attribute__((used)) firm_debug_info_string[] =
API_VERSION(FIRM_DBG_MAJOR, FIRM_DBG_MINOR);
-/**
- * Returns non-zero, if the debug extension is active
- */
-int firm_debug_active(void) {
+int firm_debug_active(void)
+{
return is_active;
-} /* firm_debug_active */
+}
/**
* Reset the debug text buffer.
*/
-static void reset_dbg_buf(void) {
+static void reset_dbg_buf(void)
+{
firm_dbg_msg_buf[0] = '\0';
-} /* reset_dbg_buf */
+}
-/**
- * Add text to the debug text buffer.
- */
-static void add_to_dbg_buf(const char *buf) {
+static void add_to_dbg_buf(const char *buf)
+{
strncat(firm_dbg_msg_buf, buf, sizeof(firm_dbg_msg_buf));
-} /* add_to_dbg_buf */
+}
-/**
- * Return the content of the debug text buffer.
- *
- * To be called from the debugger.
- */
-const char *firm_debug_text(void) {
+const char *firm_debug_text(void)
+{
firm_dbg_msg_buf[sizeof(firm_dbg_msg_buf) - 1] = '\0';
return firm_dbg_msg_buf;
-} /* firm_debug_text */
+}
/**
* debug output
add_to_dbg_buf(buf);
else
puts(buf);
-} /* dbg_printf */
+}
/**
* A new node is created.
key.nr = get_irn_node_nr(node);
key.bp.reason = BP_ON_NEW_NODE;
- elem = set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
+ elem = (bp_nr_t*)set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
if (elem && elem->bp.active) {
dbg_printf("Firm BP %u reached, %+F created\n", elem->bp.bpnr, node);
firm_debug_break();
}
-} /* dbg_new_node */
+}
/**
* A node is replaced.
key.nr = get_irn_node_nr(old);
key.bp.reason = BP_ON_REPLACE;
- elem = set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
+ elem = (bp_nr_t*)set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
if (elem && elem->bp.active) {
dbg_printf("Firm BP %u reached, %+F will be replaced by %+F\n", elem->bp.bpnr, old, nw);
firm_debug_break();
}
-} /* dbg_replace */
+}
/**
* A new node is lowered.
key.nr = get_irn_node_nr(node);
key.bp.reason = BP_ON_LOWER;
- elem = set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
+ elem = (bp_nr_t*)set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
if (elem && elem->bp.active) {
dbg_printf("Firm BP %u reached, %+F will be lowered\n", elem->bp.bpnr, node);
firm_debug_break();
}
-} /* dbg_lower */
+}
/**
* A graph will be deleted.
key.nr = get_irg_graph_nr(irg);
key.bp.reason = BP_ON_REMIRG;
- elem = set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
+ elem = (bp_nr_t*)set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
if (elem && elem->bp.active) {
ir_printf("Firm BP %u reached, %+F will be deleted\n", elem->bp.bpnr, irg);
firm_debug_break();
key.id = get_entity_ident(ent);
key.bp.reason = BP_ON_REMIRG;
- elem = set_find(bp_idents, &key, sizeof(key), HASH_IDENT_BP(key));
+ elem = (bp_ident_t*)set_find(bp_idents, &key, sizeof(key), HASH_IDENT_BP(key));
if (elem && elem->bp.active) {
dbg_printf("Firm BP %u reached, %+F will be deleted\n", elem->bp.bpnr, ent);
firm_debug_break();
}
}
-} /* dbg_free_graph */
+}
/**
* An entity was created.
key.id = get_entity_ident(ent);
key.bp.reason = BP_ON_NEW_ENT;
- elem = set_find(bp_idents, &key, sizeof(key), HASH_IDENT_BP(key));
+ elem = (bp_ident_t*)set_find(bp_idents, &key, sizeof(key), HASH_IDENT_BP(key));
if (elem && elem->bp.active) {
ir_printf("Firm BP %u reached, %+F was created\n", elem->bp.bpnr, ent);
firm_debug_break();
key.nr = get_entity_nr(ent);
key.bp.reason = BP_ON_NEW_ENT;
- elem = set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
+ elem = (bp_nr_t*)set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
if (elem && elem->bp.active) {
dbg_printf("Firm BP %u reached, %+F was created\n", elem->bp.bpnr, ent);
firm_debug_break();
}
}
-} /* dbg_new_entity */
+}
/**
* A type was created.
key.nr = get_type_nr(tp);
key.bp.reason = BP_ON_NEW_TYPE;
- elem = set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
+ elem = (bp_nr_t*)set_find(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
if (elem && elem->bp.active) {
ir_printf("Firm BP %u reached, %+F was created\n", elem->bp.bpnr, tp);
firm_debug_break();
}
}
-} /* dbg_new_type */
+}
/**
* Return the reason string.
case BP_MAX_REASON: break;
}
panic("unsupported reason");
-} /* reason_str */
+}
/**
* Compare two number breakpoints.
*/
static int cmp_nr_bp(const void *elt, const void *key, size_t size)
{
- const bp_nr_t *e1 = elt;
- const bp_nr_t *e2 = key;
+ const bp_nr_t *e1 = (const bp_nr_t*)elt;
+ const bp_nr_t *e2 = (const bp_nr_t*)key;
(void) size;
return (e1->nr - e2->nr) | (e1->bp.reason - e2->bp.reason);
-} /* cmp_nr_bp */
+}
/**
* Compare two ident breakpoints.
*/
static int cmp_ident_bp(const void *elt, const void *key, size_t size)
{
- const bp_ident_t *e1 = elt;
- const bp_ident_t *e2 = key;
+ const bp_ident_t *e1 = (const bp_ident_t*)elt;
+ const bp_ident_t *e2 = (const bp_ident_t*)key;
(void) size;
return (e1->id != e2->id) | (e1->bp.reason - e2->bp.reason);
-} /* cmp_ident_bp */
+}
/**
* Update the hooks.
CASE_ON(BP_ON_NEW_ENT, new_entity);
CASE_ON(BP_ON_NEW_TYPE, new_type);
default:
- ;
+ break;
}
}
else {
CASE_OFF(BP_ON_NEW_ENT, new_entity);
CASE_OFF(BP_ON_NEW_TYPE, new_type);
default:
- ;
+ break;
}
}
#undef CASE_ON
#undef CASE_OFF
-} /* update_hooks */
+}
/**
* Break if nr is reached.
key.bp.reason = reason;
key.nr = nr;
- elem = set_insert(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
+ elem = (bp_nr_t*)set_insert(bp_numbers, &key, sizeof(key), HASH_NR_BP(key));
if (elem->bp.bpnr == 0) {
/* new break point */
update_hooks(&elem->bp);
}
-} /* break_on_nr */
+}
/**
* Break if ident name is reached.
*/
-static void break_on_ident(const char *name, bp_reasons_t reason) {
+static void break_on_ident(const char *name, bp_reasons_t reason)
+{
bp_ident_t key, *elem;
key.bp.kind = BP_IDENT;
key.bp.reason = reason;
key.id = new_id_from_str(name);
- elem = set_insert(bp_idents, &key, sizeof(key), HASH_IDENT_BP(key));
+ elem = (bp_ident_t*)set_insert(bp_idents, &key, sizeof(key), HASH_IDENT_BP(key));
if (elem->bp.bpnr == 0) {
/* new break point */
update_hooks(&elem->bp);
}
-} /* break_on_ident */
+}
/**
* Sets/resets the active flag of breakpoint bp.
}
}
dbg_printf("Error: Firm BP %u not exists.\n", bp);
-} /* bp_activate */
+}
/**
* Show a list of supported commands
*/
-static void show_commands(void) {
+static void show_commands(void)
+{
dbg_printf("Internal Firm debugger extension $Revision$ commands:\n"
"init break after initialization\n"
"create nr break if node nr was created\n"
"irgldname ldname prints address and graph number of a method given by its ldname\n"
"help list all commands\n"
);
-} /* show_commands */
+}
/**
* Shows all Firm breakpoints.
*/
-static void show_bp(void) {
+static void show_bp(void)
+{
breakpoint *p;
bp_nr_t *node_p;
bp_ident_t *ident_p;
dbg_printf(p->active ? "+enabled" : "+disabled");
}
dbg_printf(have_one ? "+\n" : "+ NONE\n");
-} /* show_bp */
+}
/**
* firm_dbg_register() expects that the name is stored persistent.
* So we need this little helper function
*/
-static firm_dbg_module_t *dbg_register(const char *name) {
+static firm_dbg_module_t *dbg_register(const char *name)
+{
ident *id = new_id_from_str(name);
return firm_dbg_register(get_id_str(id));
-} /* dbg_register */
+}
/**
* Sets the debug mask of module name to lvl
dbg_printf("Setting debug mask of module %s to %u\n", name, lvl);
}
-} /* set_dbg_level */
+}
/**
* Redirects the debug output of module name to fname
firm_dbg_set_file(module, f);
dbg_printf("Redirecting debug output of module %s to file %s\n", name, fname);
-} /* set_dbg_outfile */
+}
/**
* Show info about a firm thing.
*/
-static void show_firm_object(void *firm_thing) {
+static void show_firm_object(void *firm_thing)
+{
FILE *f = stdout;
if (firm_thing == NULL) {
fprintf(f, "BAD: (%p)\n", firm_thing);
break;
case k_entity:
- dump_entity_to_file(f, firm_thing, dump_verbosity_max);
+ dump_entity_to_file(f, (ir_entity*)firm_thing);
break;
case k_type:
- dump_type_to_file(f, firm_thing, dump_verbosity_max);
+ dump_type_to_file(f, (ir_type*)firm_thing);
break;
case k_ir_graph:
case k_ir_node:
default:
fprintf(f, "Cannot identify thing at (%p).\n", firm_thing);
}
-} /* show_firm_object */
+}
/**
* Find a firm type by its number.
*/
-static ir_type *find_type_nr(long nr) {
+static ir_type *find_type_nr(long nr)
+{
int i, n = get_irp_n_types();
ir_type *tp;
if (get_type_nr(tp) == nr)
return tp;
return NULL;
-} /* find_type_nr */
+}
/**
* Find a firm type by its name.
*/
-static ir_type *find_type_name(const char *name) {
+static ir_type *find_type_name(const char *name)
+{
int i, n = get_irp_n_types();
ir_type *tp;
if (strcmp(get_compound_name(tp), name) == 0)
return tp;
return NULL;
-} /* find_type_name */
+}
/** The environment for the entity search functions. */
typedef struct find_env {
/**
* Type-walker: Find an entity with given number.
*/
-static void check_ent_nr(type_or_ent tore, void *ctx) {
- find_env_t *env = ctx;
+static void check_ent_nr(type_or_ent tore, void *ctx)
+{
+ find_env_t *env = (find_env_t*)ctx;
if (is_entity(tore.ent)) {
if (get_entity_nr(tore.ent) == env->u.nr) {
env->res = tore.ent;
}
}
-} /* check_ent_nr */
+}
/**
* Type-walker: Find an entity with given name.
*/
-static void check_ent_name(type_or_ent tore, void *ctx) {
- find_env_t *env = ctx;
+static void check_ent_name(type_or_ent tore, void *ctx)
+{
+ find_env_t *env = (find_env_t*)ctx;
if (is_entity(tore.ent))
if (strcmp(get_entity_name(tore.ent), env->u.name) == 0) {
env->res = tore.ent;
}
-} /* check_ent_name */
+}
/**
* Find a firm entity by its number.
*/
-static ir_entity *find_entity_nr(long nr) {
+static ir_entity *find_entity_nr(long nr)
+{
find_env_t env;
env.u.nr = nr;
env.res = NULL;
type_walk(check_ent_nr, NULL, &env);
return env.res;
-} /* find_entity_nr */
+}
/**
* Find a firm entity by its name.
*/
-static ir_entity *find_entity_name(const char *name) {
+static ir_entity *find_entity_name(const char *name)
+{
find_env_t env;
env.u.name = name;
env.res = NULL;
type_walk(check_ent_name, NULL, &env);
return env.res;
-} /* find_entity_name */
+}
/**
* Search methods for a name.
*/
-static void show_by_name(type_or_ent tore, void *env) {
+static void show_by_name(type_or_ent tore, void *env)
+{
ident *id = (ident *)env;
if (is_entity(tore.ent)) {
}
}
}
-} /* show_by_name */
+}
/**
* Search methods for a ldname.
*/
-static void show_by_ldname(type_or_ent tore, void *env) {
+static void show_by_ldname(type_or_ent tore, void *env)
+{
ident *id = (ident *)env;
if (is_entity(tore.ent)) {
}
}
}
-} /* show_by_ldname */
+}
/**
* prints the address and graph number of all irgs with given name
*/
-static void irg_name(const char *name) {
+static void irg_name(const char *name)
+{
ident *id = new_id_from_str(name);
type_walk(show_by_name, NULL, (void *)id);
-} /* irg_name */
+}
/**
* prints the address and graph number of all irgs with given ld_name
*/
-static void irg_ld_name(const char *name) {
+static void irg_ld_name(const char *name)
+{
ident *id = new_id_from_str(name);
type_walk(show_by_ldname, NULL, (void *)id);
-} /* irg_ld_name */
+}
enum tokens {
tok_create = 256,
unsigned cur_token; /**< current token. */
unsigned number; /**< current token attribute. */
const char *s; /**< current token attribute. */
- unsigned len; /**< current token attribute. */
+ size_t len; /**< current token attribute. */
const char *curr_pos;
const char *end_pos;
/**
* Initialize the lexer.
*/
-static void init_lexer(const char *input) {
+static void init_lexer(const char *input)
+{
lexer.has_token = 0;
lexer.curr_pos = input;
lexer.end_pos = input + strlen(input);
-} /* init_lexer */
+}
/**
* Get the next char from the input.
*/
-static char next_char(void) {
+static char next_char(void)
+{
if (lexer.curr_pos >= lexer.end_pos)
return '\0';
return *lexer.curr_pos++;
-} /* next_char */
+}
-#define unput() if (lexer.curr_pos < lexer.end_pos) --lexer.curr_pos
+#define unput() if (lexer.curr_pos < lexer.end_pos) --lexer.curr_pos
#undef MIN
#define MIN(a, b) (a) < (b) ? (a) : (b)
/**
* The lexer.
*/
-static unsigned get_token(void) {
+static unsigned get_token(void)
+{
char c;
- int i;
+ size_t i;
/* skip white space */
do {
c = next_char();
- } while (c != '\0' && isspace(c));
+ } while (c != '\0' && isspace((unsigned char)c));
lexer.tok_start = lexer.curr_pos - 1;
- if (c == '.' || isalpha(c)) {
+ if (c == '.' || isalpha((unsigned char)c)) {
/* command begins here */
int len = 0;
const char* tok_start;
do {
c = next_char();
++len;
- } while (isgraph(c));
+ } while (isgraph((unsigned char)c));
unput();
tok_start = lexer.tok_start;
++tok_start;
--len;
}
- for (i = sizeof(reserved)/sizeof(reserved[0]) - 1; i >= 0; --i) {
+ for (i = ARRAY_SIZE(reserved); i-- != 0;) {
if (strncasecmp(tok_start, reserved[i], len) == 0 && reserved[i][len] == '\0')
return 256 + i;
}
lexer.s = lexer.tok_start;
lexer.len = lexer.curr_pos - lexer.s;
return tok_identifier;
- } else if (isdigit(c) || c == '-') {
+ } else if (isdigit((unsigned char)c) || c == '-') {
unsigned number = 0;
unsigned sign = 0;
for (;;) {
c = next_char();
- if (! isxdigit(c))
+ if (! isxdigit((unsigned char)c))
break;
- if (isdigit(c))
+ if (isdigit((unsigned char)c))
number = (number << 4) | (c - '0');
else
- number = (number << 4) | (toupper(c) - 'A' + 10);
+ number = (number << 4) | (toupper((unsigned char)c) - 'A' + 10);
}
unput();
lexer.number = number;
}
}
for (;;) {
- if (! isdigit(c))
+ if (! isdigit((unsigned char)c))
break;
number = number * 10 + (c - '0');
c = next_char();
else if (c == '\0')
return tok_eof;
return c;
-} /* get_token */
+}
-/**
- * High level function to use from debugger interface
- *
- * See show_commands() for supported commands.
- */
-void firm_debug(const char *cmd) {
+void firm_debug(const char *cmd)
+{
char name[1024], fname[1024];
- int len;
+ size_t len;
init_lexer(cmd);
strncpy(fname, lexer.s, len);
fname[len] = '\0';
set_dbg_outfile(name, fname);
+ break;
case tok_irgname:
token = get_token();
strncpy(name, lexer.s, len);
name[len] = '\0';
irg_name(name);
+ break;
case tok_irgldname:
token = get_token();
}
leave:
;
-} /* firm_debug */
+}
-/* creates the debugger tables */
void firm_init_debugger(void)
{
char *env;
if (break_on_init)
firm_debug_break();
-} /* firm_init_debugger */
+}
+
+void firm_finish_debugger(void)
+{
+ del_set(bp_numbers);
+ del_set(bp_idents);
+}
/**
* A gdb helper function to print firm objects.
*/
-const char *gdb_node_helper(void *firm_object) {
+const char *gdb_node_helper(void *firm_object)
+{
static char buf[1024];
ir_snprintf(buf, sizeof(buf), "%+F", firm_object);
return buf;
}
-/**
- * A gdb helper function to print tarvals.
- */
-const char *gdb_tarval_helper(void *tv_object) {
+const char *gdb_tarval_helper(void *tv_object)
+{
static char buf[1024];
ir_snprintf(buf, sizeof(buf), "%+T", tv_object);
return buf;
}
-const char *gdb_out_edge_helper(const ir_node *node) {
+const char *gdb_out_edge_helper(const ir_node *node)
+{
static char buf[4*1024];
char *b = buf;
size_t l;