2 * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Stabs support.
23 * @author Michael Beck
43 #include "be_dbgout_t.h"
46 #include "beemitter.h"
50 /* Non-Stab Symbol and Stab Symbol Types */
52 N_UNDF = 0x00, /**< 0: Undefined symbol */
53 N_ABS = 0x02, /**< 2: File scope absolute symbol */
54 N_TEXT = 0x04, /**< 4: File scope text symbol */
55 N_DATA = 0x06, /**< 6: File scope data symbol */
56 N_BSS = 0x08, /**< 8: File scope BSS symbol */
57 N_INDR = 0x0A, /**< 10: Symbol is indirected to another symbol */
58 N_FN_SEQ = 0x0C, /**< 12: Same as N_FN, for Sequent compilers */
59 N_COMM = 0x12, /**< 18: Common--visible after shared library dynamic link */
60 N_SETA = 0x14, /**< 20: Absolute set element */
61 N_SETT = 0x17, /**< 23: Text segment set element */
62 N_SETD = 0x18, /**< 24: Data segment set element */
63 N_SETB = 0x1A, /**< 26: BSS segment set element */
64 N_SETV = 0x1C, /**< 28: Pointer to set vector */
65 N_WARNING = 0x1E, /**< 30: Print a warning message during linking */
66 N_FN = 0x1F, /**< 31: File name of a `.o' file */
67 N_GSYM = 0x20, /**< 32: Global symbol */
68 N_FNAME = 0x22, /**< 34: Function name (for BSD Fortran) */
69 N_FUN = 0x24, /**< 36: Function name */
70 N_STSYM = 0x26, /**< 38: Data segment file-scope variable */
71 N_LCSYM = 0x28, /**< 40: BSS segment file-scope variable */
72 N_MAIN = 0x2A, /**< 42: Name of main routine */
73 N_ROSYM = 0x2C, /**< 44: Variable in .rodata section */
74 N_PC = 0x30, /**< 48: Global symbol (for Pascal) */
75 N_NSYMS = 0x32, /**< 50: Number of symbols (according to Ultrix V4.0) */
76 N_NOMAP = 0x34, /**< 52: No DST map */
77 N_OBJ = 0x38, /**< 56: Object file (Solaris2) */
78 N_OPT = 0x3C, /**< 60: Debugger options (Solaris2) */
79 N_RSYM = 0x40, /**< 64: Register variable */
80 N_M2C = 0x42, /**< 66: Modula-2 compilation unit */
81 N_SLINE = 0x44, /**< 68: Line number in text segment */
82 N_DSLINE = 0x46, /**< 70: Line number in data segment */
83 N_BSLINE = 0x48, /**< 72: Line number in bss segment */
84 N_BROWS = 0x48, /**< 72: Sun source code browser, path to `.cb' file */
85 N_DEFD = 0x4A, /**< 74: GNU Modula2 definition module dependency */
86 N_FLINE = 0x4C, /**< 76: Function start/body/end line numbers (Solaris2) */
87 N_EHDECL = 0x50, /**< 80: GNU C++ exception variable */
88 N_MOD2 = 0x50, /**< 80: Modula2 info "for imc" (according to Ultrix V4.0) */
89 N_CATCH = 0x54, /**< 84: GNU C++ catch clause */
90 N_SSYM = 0x60, /**< 96: Structure of union element */
91 N_ENDM = 0x62, /**< 98: Last stab for module (Solaris2) */
92 N_SO = 0x64, /**< 100: Path and name of source file */
93 N_LSYM = 0x80, /**< 128: Stack variable */
94 N_BINCL = 0x82, /**< 130: Beginning of an include file (Sun only) */
95 N_SOL = 0x84, /**< 132: Name of include file */
96 N_PSYM = 0xA0, /**< 160: Parameter variable */
97 N_EINCL = 0xA2, /**< 162: End of an include file */
98 N_ENTRY = 0xA4, /**< 164: Alternate entry point */
99 N_LBRAC = 0xC0, /**< 192: Beginning of a lexical block */
100 N_EXCL = 0xC2, /**< 194: Place holder for a deleted include file */
101 N_SCOPE = 0xC4, /**< 196: Modula2 scope information (Sun linker) */
102 N_RBRAC = 0xE0, /**< 224: End of a lexical block */
103 N_BCOMM = 0xE2, /**< 226: Begin named common block */
104 N_ECOMM = 0xE4, /**< 228: End named common block */
105 N_ECOML = 0xE8, /**< 232: Member of a common block */
106 N_WITH = 0xEA, /**< 234: Pascal with statement: type,,0,0,offset (Solaris2) */
107 N_NBTEXT = 0xF0, /**< 240: Gould non-base registers */
108 N_NBDATA = 0xF2, /**< 242: Gould non-base registers */
109 N_NBBSS = 0xF4, /**< 244: Gould non-base registers */
110 N_NBSTS = 0xF6, /**< 246: Gould non-base registers */
111 N_NBLCS = 0xF8, /**< 248: Gould non-base registers */
117 typedef struct stabs_handle {
118 dbg_handle base; /**< the base class */
119 const ir_entity *cur_ent; /**< current method entity */
120 const be_stack_layout_t *layout; /**< current stack layout */
121 unsigned next_type_nr; /**< next type number */
122 pmap *type_map; /**< a map from type to type number */
123 const char *main_file; /**< name of the main source file */
124 const char *curr_file; /**< name of the current source file */
130 * Returns the stabs type number of a Firm type.
132 static unsigned get_type_number(stabs_handle *h, ir_type *tp)
138 /* map to the void type */
141 entry = pmap_find(h->type_map, tp);
143 num = h->next_type_nr++;
144 pmap_insert(h->type_map, tp, INT_TO_PTR(num));
146 num = (unsigned)PTR_TO_INT(entry->value);
149 } /* get_type_number */
152 * Map a given Type to void by assigned the type number 0.
154 static void map_to_void(stabs_handle *h, ir_type *tp)
156 pmap_insert(h->type_map, tp, INT_TO_PTR(0));
160 * generate the void type.
162 static void gen_void_type(stabs_handle *h)
165 be_emit_irprintf("\t.stabs\t\"void:t%u=%u\",%d,0,0,0\n", 0, 0, N_LSYM);
166 be_emit_write_line();
167 } /* gen_void_type */
169 typedef struct walker_env {
174 /* a type is not ready: put it on the wait queue */
175 #define SET_TYPE_NOT_READY(wq, tp) \
177 set_type_link(tp, (void *)1); \
182 #define SET_TYPE_READY(tp) set_type_link(tp, NULL)
184 /* check whether a type is ready */
185 #define IS_TYPE_READY(tp) (get_type_link(tp) == NULL)
187 #ifdef EXPLICITE_PTR_TYPES
188 #define SKIP_PTR(tp) tp
190 #define SKIP_PTR(tp) (is_Pointer_type(tp) ? get_pointer_points_to_type(tp) : tp)
194 * mode_info for output as decimal
196 static const tarval_mode_info dec_output = {
203 * emit a tarval as decimal
205 static void be_emit_tv_as_decimal(ir_tarval *tv)
207 ir_mode *mode = get_tarval_mode(tv);
208 const tarval_mode_info *old = get_tarval_mode_output_option(mode);
210 set_tarval_mode_output_option(mode, &dec_output);
212 set_tarval_mode_output_option(mode, old);
215 static void emit_type_name(const ir_type *type)
219 ir_print_type(buf, sizeof(buf), type);
220 /* replace special chars to be on the safe side */
221 for (c = buf; *c != '\0'; ++c) {
222 if (*c == '\n' || *c == '"' || *c == '\\')
229 * Generates a primitive type.
231 * @param h the stabs handle
234 static void gen_primitive_type(stabs_handle *h, ir_type *tp)
236 ir_mode *mode = get_type_mode(tp);
240 if (mode == mode_T) {
241 /* firmcc, jack and the FirmJC compiler use mode_T for the void type.
242 Ignore it here as it's name is remapped to "void". */
248 if (get_mode_size_bits(mode) & 7) {
249 /* this is a bitfield type, ignore it */
254 type_num = get_type_number(h, tp);
256 if (mode_is_int(mode)) {
257 be_emit_cstring("\t.stabs\t\"");
259 be_emit_irprintf(":t%u=r%u;", type_num, type_num);
260 be_emit_tv_as_decimal(get_mode_min(mode));
262 be_emit_tv_as_decimal(get_mode_max(mode));
263 be_emit_irprintf(";\",%d,0,0,0\n", N_LSYM);
264 be_emit_write_line();
265 } else if (mode_is_float(mode)) {
266 int size = get_type_size_bytes(tp);
267 be_emit_cstring("\t.stabs\t\"");
269 be_emit_irprintf(":t%u=r1;%d;0;\",%d,0,0,0\n", type_num, size, N_LSYM);
270 be_emit_write_line();
272 } /* gen_primitive_type */
275 * Generates an enum type
277 * @param h the stabs handle
280 static void gen_enum_type(stabs_handle *h, ir_type *tp)
282 unsigned type_num = get_type_number(h, tp);
286 be_emit_cstring("\t.stabs\t\"");
288 be_emit_irprintf(":T%u=e", type_num);
289 for (i = 0, n = get_enumeration_n_enums(tp); i < n; ++i) {
290 ir_enum_const *ec = get_enumeration_const(tp, i);
293 tarval_snprintf(buf, sizeof(buf), get_enumeration_value(ec));
294 be_emit_irprintf("%s:%s,", get_enumeration_const_name(ec), buf);
296 be_emit_irprintf(";\",%d,0,0,0\n", N_LSYM);
297 be_emit_write_line();
298 } /* gen_enum_type */
301 * print a pointer type
303 static void print_pointer_type(stabs_handle *h, ir_type *tp, int local)
305 unsigned type_num = local ? h->next_type_nr++ : get_type_number(h, tp);
306 ir_type *el_tp = get_pointer_points_to_type(tp);
307 unsigned el_num = get_type_number(h, el_tp);
309 be_emit_irprintf("%u=*%u", type_num, el_num);
313 * Generates a pointer type
315 * @param env the walker environment
318 static void gen_pointer_type(wenv_t *env, ir_type *tp)
320 stabs_handle *h = env->h;
321 ir_type *el_tp = get_pointer_points_to_type(tp);
324 if (! IS_TYPE_READY(el_tp))
325 waitq_put(env->wq, el_tp);
327 be_emit_cstring("\t.stabs\t\"");
329 be_emit_cstring(":t");
330 print_pointer_type(h, tp, 0);
331 be_emit_irprintf("\",%d,0,0,0\n", N_LSYM);
332 be_emit_write_line();
333 } /* gen_pointer_type */
336 * print an array type
338 static void print_array_type(stabs_handle *h, ir_type *tp, int local)
340 ir_type *etp = get_array_element_type(tp);
341 size_t i, n = get_array_n_dimensions(tp);
342 unsigned type_num = local ? h->next_type_nr++ : get_type_number(h, tp);
345 be_emit_irprintf("%u=a", type_num);
346 perm = ALLOCAN(size_t, n);
347 for (i = 0; i < n; ++i) {
348 perm[i] = get_array_order(tp, i);
351 for (i = 0; i < n; ++i) {
352 size_t dim = perm[i];
354 if (is_Const(get_array_lower_bound(tp, dim)) && is_Const(get_array_upper_bound(tp, dim))) {
355 long min = get_array_lower_bound_int(tp, dim);
356 long max = get_array_upper_bound_int(tp, dim);
358 /* FIXME r1 must be integer type, but seems to work for now */
359 be_emit_irprintf("r1;%ld;%ld;", min, max-1);
363 type_num = get_type_number(h, etp);
364 be_emit_irprintf("%d", type_num);
368 * Generates an array type
370 * @param env the walker environment
373 static void gen_array_type(wenv_t *env, ir_type *tp)
375 stabs_handle *h = env->h;
376 ir_type *etp = get_array_element_type(tp);
379 if (! IS_TYPE_READY(etp))
380 waitq_put(env->wq, etp);
382 be_emit_cstring("\t.stabs\t\"");
384 be_emit_cstring(":t");
386 print_array_type(h, tp, 0);
388 be_emit_irprintf("\",%d,0,0,0\n", N_LSYM);
389 be_emit_write_line();
390 } /* gen_array_type */
393 * Generates a struct/union type
395 * @param env the walker environment
398 static void gen_struct_union_type(wenv_t *env, ir_type *tp)
400 stabs_handle *h = env->h;
401 unsigned type_num = get_type_number(h, tp);
406 if (is_Struct_type(tp)) {
408 if (get_type_mode(tp) != NULL) {
409 /* this is a bitfield type, ignore it safely */
413 else if (is_Union_type(tp))
416 be_emit_cstring("\t.stabs\t\"");
418 be_emit_irprintf(":Tt%u=%c%d", type_num, desc, get_type_size_bytes(tp));
420 for (i = 0, n = get_compound_n_members(tp); i < n; ++i) {
421 ir_entity *ent = get_compound_member(tp, i);
422 ir_type *mtp = get_entity_type(ent);
426 if (! IS_TYPE_READY(mtp))
427 waitq_put(env->wq, mtp);
428 ofs = get_entity_offset(ent);
429 if (is_Struct_type(mtp) && get_type_mode(mtp) != NULL) {
430 /* this structure is a bitfield, skip */
432 int n_members = get_struct_n_members(mtp);
434 for (m = 0; m < n_members; ++m) {
435 ir_entity *member = get_struct_member(mtp, m);
436 ir_type *member_tp = get_entity_type(member);
439 type_num = get_type_number(h, member_tp);
440 size = get_type_size_bytes(member_tp) * 8;
441 bofs = (ofs + get_entity_offset(member)) * 8 + get_entity_offset_bits_remainder(member);
443 /* name:type, bit offset from the start of the struct', number of bits in the element. */
444 be_emit_irprintf("%s:%u,%d,%u;", get_entity_name(member), type_num, bofs, size);
448 be_emit_irprintf("%s:", get_entity_name(ent));
450 if (is_Array_type(mtp)) {
451 /* use a local array definition */
452 print_array_type(h, mtp, 1);
453 } else if (is_Pointer_type(mtp)) {
454 /* use local pointer definition */
455 print_pointer_type(h, mtp, 1);
457 type_num = get_type_number(h, mtp);
459 /* name:type, bit offset from the start of the struct', number of bits in the element. */
460 be_emit_irprintf("%u", type_num);
462 size = get_type_size_bytes(mtp) * 8;
463 be_emit_irprintf(",%d,%u;", ofs * 8, size);
466 be_emit_irprintf(";\",%d,0,0,0\n", N_LSYM);
467 be_emit_write_line();
468 } /* gen_struct_type */
471 * Generates a method type
473 * @param env the walker environment
476 static void gen_method_type(wenv_t *env, ir_type *tp)
478 stabs_handle *h = env->h;
479 unsigned type_num = get_type_number(h, tp);
481 unsigned res_type_num;
482 int i, n = get_method_n_ress(tp);
486 rtp = get_method_res_type(tp, 0);
487 if (! IS_TYPE_READY(rtp))
488 waitq_put(env->wq, rtp);
490 res_type_num = get_type_number(h, rtp);
492 be_emit_cstring("\t.stabs\t\"");
494 be_emit_irprintf(":t%u=f%u", type_num, res_type_num);
496 /* handle more than one return type */
497 for (i = 1; i < n; ++i) {
498 rtp = get_method_res_type(tp, i);
499 if (! IS_TYPE_READY(rtp))
500 waitq_put(env->wq, rtp);
501 res_type_num = get_type_number(h, rtp);
502 be_emit_irprintf(",%u", res_type_num);
504 be_emit_irprintf("\",%d,0,0,0\n", N_LSYM);
505 be_emit_write_line();
506 } /* gen_method_type */
509 * type-walker: generate declaration for simple types,
510 * put all other types on a wait queue
512 static void walk_type(type_or_ent tore, void *ctx)
514 wenv_t *env = (wenv_t*)ctx;
517 if (is_type(tore.typ)) {
520 /* ignore the unknown type */
521 if (tp == firm_unknown_type)
527 switch (get_type_tpop_code(tp)) {
529 if (tp == get_glob_type()) {
536 gen_struct_union_type(env, tp);
539 case tpo_enumeration:
540 gen_enum_type(env->h, tp);
544 gen_primitive_type(env->h, tp);
548 gen_method_type(env, tp);
552 gen_array_type(env, tp);
556 gen_pointer_type(env, tp);
560 /* the unknown type: ignore */
564 assert(! "Unknown tpop code");
569 * generate declaration for all types
571 static void finish_types(wenv_t *env)
575 while (! waitq_empty(wq)) {
576 ir_type *tp = (ir_type*)waitq_get(wq);
577 if (IS_TYPE_READY(tp))
580 switch (get_type_tpop_code(tp)) {
582 gen_method_type(env, tp);
587 gen_struct_union_type(env, tp);
589 case tpo_enumeration:
590 gen_enum_type(env->h, tp);
593 gen_primitive_type(env->h, tp);
596 gen_array_type(env, tp);
599 gen_pointer_type(env, tp);
602 /* the unknown type: ignore */
606 assert(! "Unknown tpop code");
612 * generate all types.
614 static void gen_types(stabs_handle *h)
619 env.wq = new_waitq();
621 irp_reserve_resources(irp, IRP_RESOURCE_TYPE_LINK);
622 type_walk(NULL, walk_type, &env);
623 irp_free_resources(irp, IRP_RESOURCE_TYPE_LINK);
631 /* -------------------------- I/F ----------------------------- */
634 * start a new source object (compilation unit)
636 static void stabs_unit_begin(dbg_handle *handle, const char *filename)
638 stabs_handle *h = (stabs_handle *)handle;
640 /* needed for the debug support */
641 be_gas_emit_switch_section(GAS_SECTION_TEXT);
642 be_emit_irprintf("%stext0:\n", be_gas_get_private_prefix());
643 be_emit_write_line();
645 h->main_file = h->curr_file = filename;
646 be_emit_irprintf("\t.stabs\t\"%s\",%d,0,0,%stext0\n", filename, N_SO, be_gas_get_private_prefix());
647 be_emit_write_line();
650 static void stabs_unit_end(dbg_handle *handle)
652 ir_graph *irg = get_irp_main_irg();
655 ir_entity *entity = get_irg_entity(irg);
656 be_emit_irprintf("\t.stabs\t\"%s\",%d,0,0,0\n",
657 get_entity_ld_name(entity), N_MAIN);
661 static void stabs_set_dbg_info(dbg_handle *h, dbg_info *dbgi)
663 stabs_handle *handle = (stabs_handle*) h;
665 const char *fname = ir_retrieve_dbg_info(dbgi, &lineno);
670 if (handle->curr_file != fname) {
671 if (fname != handle->main_file) {
672 be_emit_irprintf("\t.stabs\t\"%s\",%d,0,0,0\n", fname, N_SOL);
673 be_emit_write_line();
675 handle->curr_file = fname;
677 if (handle->last_line != lineno) {
680 snprintf(label, sizeof(label), ".LM%u", ++handle->label_num);
681 handle->last_line = lineno;
683 be_emit_irprintf("\t.stabn\t%d, 0, %u, %s-%s\n", N_SLINE, lineno,
684 label, get_entity_ld_name(handle->cur_ent));
685 be_emit_write_line();
687 be_emit_string(label);
688 be_emit_cstring(":\n");
689 be_emit_write_line();
694 * dump the stabs for a method begin
696 static void stabs_method_begin(dbg_handle *handle, const ir_entity *ent)
698 stabs_handle *h = (stabs_handle *)handle;
699 ir_graph *irg = get_entity_irg(ent);
702 int i, n, between_size;
703 be_stack_layout_t *layout = be_get_irg_stack_layout(irg);
708 /* create the method entry */
709 mtp = get_entity_type(ent);
710 if (is_lowered_type(mtp))
711 mtp = get_associated_type(mtp);
712 if (get_method_n_ress(mtp) > 0)
713 rtp = get_method_res_type(mtp, 0);
716 type_num = get_type_number(h, rtp);
717 be_emit_irprintf("\t.stabs\t\"%s:%c%u\",%u,0,0,%s\n",
718 get_entity_name(ent),
719 get_entity_visibility(ent) == ir_visibility_local ? 'f' : 'F',
722 get_entity_ld_name(ent));
723 be_emit_write_line();
725 /* create parameter entries */
726 between_size = get_type_size_bytes(layout->between_type);
727 for (i = 0, n = get_method_n_params(mtp); i < n; ++i) {
728 ir_type *ptp = get_method_param_type(mtp, i);
729 const char *name = NULL;
732 ir_entity *stack_ent;
735 snprintf(buf, sizeof(buf), "arg%d", i);
738 /* check if this parameter has a stack entity. If it has, it
739 it transmitted on the stack, else in a register */
740 stack_ent = layout->param_map[i];
742 ofs = get_entity_offset(stack_ent) + between_size;
744 be_emit_irprintf("\t.stabs\t\"%s:p", name);
745 if (is_Array_type(ptp)) {
746 /* use a local array definition */
747 print_array_type(h, ptp, 1);
748 } else if (is_Pointer_type(ptp)) {
749 /* use local pointer definition */
750 print_pointer_type(h, ptp, 1);
752 type_num = get_type_number(h, ptp);
754 /* name:type, bit offset from the start of the struct', number of bits in the element. */
755 be_emit_irprintf("%u", type_num);
758 be_emit_irprintf("\",%d,0,0,%d\n", N_PSYM, ofs);
759 be_emit_write_line();
761 } /* stabs_method_begin */
764 * dump the stabs for a method end
766 static void stabs_method_end(dbg_handle *handle)
768 stabs_handle *h = (stabs_handle *)handle;
769 const ir_entity *ent = h->cur_ent;
770 const be_stack_layout_t *layout = h->layout;
771 const char *ld_name = get_entity_ld_name(ent);
772 int i, n, frame_size;
773 static unsigned scope_nr = 0;
775 /* create entries for automatic variables on the stack */
776 frame_size = get_type_size_bytes(layout->frame_type);
777 for (i = 0, n = get_compound_n_members(layout->frame_type); i < n; ++i) {
778 ir_entity *member = get_compound_member(layout->frame_type, i);
783 /* ignore spill slots and other helper objects */
784 if (is_entity_compiler_generated(member))
787 tp = get_entity_type(member);
788 /* should not happen in backend but ... */
789 if (is_Method_type(tp))
791 type_num = get_type_number(h, tp);
792 ofs = -frame_size + get_entity_offset(member);
794 be_emit_irprintf("\t.stabs\t\"%s:%u\",%d,0,0,%d\n",
795 get_entity_name(member), type_num, N_LSYM, ofs);
796 be_emit_write_line();
798 /* we need a lexical block here */
799 be_emit_irprintf("\t.stabn\t%d,0,0,%s-%s\n", N_LBRAC, ld_name, ld_name);
800 be_emit_write_line();
801 be_emit_irprintf("\t.stabn\t%d,0,0,.Lscope%u-%s\n", N_RBRAC, scope_nr, ld_name);
802 be_emit_write_line();
803 be_emit_irprintf(".Lscope%u:\n", scope_nr);
804 be_emit_write_line();
809 } /* stabs_method_end */
814 static void stabs_types(dbg_handle *handle)
816 stabs_handle *h = (stabs_handle *)handle;
818 /* allocate the zero for the void type */
825 * dump a variable in the global type
827 static void stabs_variable(dbg_handle *handle, const ir_entity *ent)
829 stabs_handle *h = (stabs_handle *)handle;
830 unsigned tp_num = get_type_number(h, get_entity_type(ent));
833 if (get_entity_visibility(ent) == ir_visibility_local) {
834 /* some kind of local */
835 ir_linkage linkage = get_entity_linkage(ent);
838 if (linkage & IR_LINKAGE_CONSTANT)
840 snprintf(buf, sizeof(buf), "\t.stabs\t\"%s:S%u\",%d,0,0,%s\n",
841 get_entity_name(ent), tp_num, kind, get_entity_ld_name(ent));
843 /* a global variable */
844 snprintf(buf, sizeof(buf), "\t.stabs\t\"%s:G%u\",%d,0,0,0\n",
845 get_entity_name(ent), tp_num, (int)N_GSYM);
847 buf[sizeof(buf) - 1] = '\0';
850 } /* stabs_variable */
853 * Close the stabs handler.
855 static void stabs_close(dbg_handle *handle)
857 stabs_handle *h = (stabs_handle *)handle;
858 pmap_destroy(h->type_map);
862 /** The stabs operations. */
863 static const debug_ops stabs_ops = {
874 /* Opens a stabs handler */
875 static dbg_handle *be_stabs_open(void)
877 stabs_handle *h = XMALLOCZ(stabs_handle);
879 h->base.ops = &stabs_ops;
880 h->type_map = pmap_create_ex(64);
885 BE_REGISTER_MODULE_CONSTRUCTOR(be_init_stabs)
886 void be_init_stabs(void)
888 be_register_dbgout_module("stabs", be_stabs_open);