diff options
| -rw-r--r-- | gdb/ChangeLog | 13 | ||||
| -rw-r--r-- | gdb/target-descriptions.c | 5 | ||||
| -rw-r--r-- | gdb/target-memory.c | 6 | ||||
| -rw-r--r-- | gdb/target.c | 64 | ||||
| -rw-r--r-- | gdb/thread.c | 5 | ||||
| -rw-r--r-- | gdb/top.c | 4 | ||||
| -rw-r--r-- | gdb/tracepoint.c | 3 | ||||
| -rw-r--r-- | gdb/trad-frame.c | 1 | ||||
| -rw-r--r-- | gdb/tramp-frame.c | 6 | ||||
| -rw-r--r-- | gdb/ui-file.c | 26 | ||||
| -rw-r--r-- | gdb/ui-out.c | 12 | ||||
| -rw-r--r-- | gdb/user-regs.c | 11 | ||||
| -rw-r--r-- | gdb/utils.c | 18 |
13 files changed, 145 insertions, 29 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index d508fe5..d509d03 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,18 @@ 2010-05-16 Michael Snyder <msnyder@vmware.com> + * target.c: White space. + * target-descriptions.c: White space. + * target-memory.c: White space. + * thread.c: White space. + * top.c: White space. + * tracepoint.c: White space. + * trad-frame.c: White space. + * tramp-frame.c: White space. + * ui-file.c: White space. + * ui-out.c: White space. + * user-regs.c: White space. + * utils.c: White space. + * scm-exp.c: White space. * scm-lang.c: White space. * scm-valprint.c: White space. diff --git a/gdb/target-descriptions.c b/gdb/target-descriptions.c index 874730f..7206166 100644 --- a/gdb/target-descriptions.c +++ b/gdb/target-descriptions.c @@ -864,6 +864,7 @@ static struct tdesc_reg * tdesc_find_register (struct gdbarch *gdbarch, int regno) { struct tdesc_arch_reg *reg = tdesc_find_arch_register (gdbarch, regno); + return reg? reg->reg : NULL; } @@ -883,6 +884,7 @@ tdesc_register_name (struct gdbarch *gdbarch, int regno) if (regno >= num_regs && regno < num_regs + num_pseudo_regs) { struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); + gdb_assert (data->pseudo_register_name != NULL); return data->pseudo_register_name (gdbarch, regno); } @@ -901,6 +903,7 @@ tdesc_register_type (struct gdbarch *gdbarch, int regno) if (reg == NULL && regno >= num_regs && regno < num_regs + num_pseudo_regs) { struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); + gdb_assert (data->pseudo_register_type != NULL); return data->pseudo_register_type (gdbarch, regno); } @@ -1038,6 +1041,7 @@ tdesc_register_reggroup_p (struct gdbarch *gdbarch, int regno, if (regno >= num_regs && regno < num_regs + num_pseudo_regs) { struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); + if (data->pseudo_register_reggroup_p != NULL) return data->pseudo_register_reggroup_p (gdbarch, regno, reggroup); /* Otherwise fall through to the default reggroup_p. */ @@ -1198,7 +1202,6 @@ tdesc_create_reg (struct tdesc_feature *feature, const char *name, static void tdesc_free_type (struct tdesc_type *type) { - switch (type->kind) { case TDESC_TYPE_STRUCT: diff --git a/gdb/target-memory.c b/gdb/target-memory.c index 8479353..b864d50 100644 --- a/gdb/target-memory.c +++ b/gdb/target-memory.c @@ -84,6 +84,7 @@ claim_memory (VEC(memory_write_request_s) *blocks, { struct memory_write_request *n = VEC_safe_push (memory_write_request_s, *result, NULL); + *n = *r; n->begin = claimed_begin; n->end = claimed_end; @@ -116,8 +117,8 @@ split_regular_and_flash_blocks (VEC(memory_write_request_s) *blocks, while (1) { VEC(memory_write_request_s) **r; - region = lookup_mem_region (cur_address); + region = lookup_mem_region (cur_address); r = region->attrib.mode == MEM_FLASH ? flash_blocks : regular_blocks; cur_address = region->hi; claim_memory (blocks, r, region->lo, region->hi); @@ -175,6 +176,7 @@ blocks_to_erase (VEC(memory_write_request_s) *written) { struct memory_write_request *n = VEC_safe_push (memory_write_request_s, result, NULL); + memset (n, 0, sizeof (struct memory_write_request)); n->begin = begin; n->end = end; @@ -255,6 +257,7 @@ compute_garbled_blocks (VEC(memory_write_request_s) *erased_blocks, { struct memory_write_request *n = VEC_safe_push (memory_write_request_s, result, NULL); + memset (n, 0, sizeof (struct memory_write_request)); n->begin = erased.begin; n->end = written->begin; @@ -300,6 +303,7 @@ static void cleanup_write_requests_vector (void *p) { VEC(memory_write_request_s) **v = p; + VEC_free (memory_write_request_s, *v); } diff --git a/gdb/target.c b/gdb/target.c index 719ca69..db2f174 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -457,6 +457,7 @@ target_create_inferior (char *exec_file, char *args, char **env, int from_tty) { struct target_ops *t; + for (t = current_target.beneath; t != NULL; t = t->beneath) { if (t->to_create_inferior != NULL) @@ -908,6 +909,7 @@ push_target (struct target_ops *t) /* There's already something at this stratum level. Close it, and un-hook it from the stack. */ struct target_ops *tmp = (*cur); + (*cur) = (*cur)->beneath; tmp->beneath = NULL; target_close (tmp, 0); @@ -976,7 +978,8 @@ pop_target (void) fprintf_unfiltered (gdb_stderr, "pop_target couldn't find target %s\n", current_target.to_shortname); - internal_error (__FILE__, __LINE__, _("failed internal consistency check")); + internal_error (__FILE__, __LINE__, + _("failed internal consistency check")); } void @@ -1148,6 +1151,7 @@ target_read_string (CORE_ADDR memaddr, char **string, int len, int *errnop) if (bufptr - buffer + tlen > buffer_allocated) { unsigned int bytes; + bytes = bufptr - buffer; buffer_allocated *= 2; buffer = xrealloc (buffer, buffer_allocated); @@ -1231,11 +1235,13 @@ memory_xfer_partial (struct target_ops *ops, enum target_object object, if (readbuf != NULL && overlay_debugging) { struct obj_section *section = find_pc_overlay (memaddr); + if (pc_in_unmapped_range (memaddr, section)) { struct target_section_table *table = target_get_section_table (ops); const char *section_name = section->the_bfd_section->name; + memaddr = overlay_mapped_address (memaddr, section); return section_table_xfer_memory_partial (readbuf, writebuf, memaddr, len, @@ -1386,8 +1392,8 @@ struct cleanup * make_show_memory_breakpoints_cleanup (int show) { int current = show_memory_breakpoints; - show_memory_breakpoints = show; + show_memory_breakpoints = show; return make_cleanup (restore_show_memory_breakpoints, (void *) (uintptr_t) current); } @@ -1581,13 +1587,13 @@ target_flash_erase (ULONGEST address, LONGEST length) for (t = current_target.beneath; t != NULL; t = t->beneath) if (t->to_flash_erase != NULL) - { - if (targetdebug) - fprintf_unfiltered (gdb_stdlog, "target_flash_erase (%s, %s)\n", - hex_string (address), phex (length, 0)); - t->to_flash_erase (t, address, length); - return; - } + { + if (targetdebug) + fprintf_unfiltered (gdb_stdlog, "target_flash_erase (%s, %s)\n", + hex_string (address), phex (length, 0)); + t->to_flash_erase (t, address, length); + return; + } tcomplain (); } @@ -1599,12 +1605,12 @@ target_flash_done (void) for (t = current_target.beneath; t != NULL; t = t->beneath) if (t->to_flash_done != NULL) - { - if (targetdebug) - fprintf_unfiltered (gdb_stdlog, "target_flash_done\n"); - t->to_flash_done (t); - return; - } + { + if (targetdebug) + fprintf_unfiltered (gdb_stdlog, "target_flash_done\n"); + t->to_flash_done (t); + return; + } tcomplain (); } @@ -1631,11 +1637,13 @@ default_xfer_partial (struct target_ops *ops, enum target_object object, "deprecated_xfer_memory" method. */ { int xfered = -1; + errno = 0; if (writebuf != NULL) { void *buffer = xmalloc (len); struct cleanup *cleanup = make_cleanup (xfree, buffer); + memcpy (buffer, writebuf, len); xfered = ops->deprecated_xfer_memory (offset, buffer, len, 1/*write*/, NULL, ops); @@ -1707,11 +1715,13 @@ target_read (struct target_ops *ops, ULONGEST offset, LONGEST len) { LONGEST xfered = 0; + while (xfered < len) { LONGEST xfer = target_read_partial (ops, object, annex, (gdb_byte *) buf + xfered, offset + xfered, len - xfered); + /* Call an observer, notifying them of the xfer progress? */ if (xfer == 0) return xfered; @@ -1730,11 +1740,13 @@ target_read_until_error (struct target_ops *ops, ULONGEST offset, LONGEST len) { LONGEST xfered = 0; + while (xfered < len) { LONGEST xfer = target_read_partial (ops, object, annex, (gdb_byte *) buf + xfered, offset + xfered, len - xfered); + /* Call an observer, notifying them of the xfer progress? */ if (xfer == 0) return xfered; @@ -1951,8 +1963,8 @@ get_target_memory (struct target_ops *ops, CORE_ADDR addr, gdb_byte *buf, } ULONGEST -get_target_memory_unsigned (struct target_ops *ops, - CORE_ADDR addr, int len, enum bfd_endian byte_order) +get_target_memory_unsigned (struct target_ops *ops, CORE_ADDR addr, + int len, enum bfd_endian byte_order) { gdb_byte buf[sizeof (ULONGEST)]; @@ -2215,6 +2227,7 @@ target_follow_fork (int follow_child) if (t->to_follow_fork != NULL) { int retval = t->to_follow_fork (t, follow_child); + if (targetdebug) fprintf_unfiltered (gdb_stdlog, "target_follow_fork (%d) = %d\n", follow_child, retval); @@ -2231,6 +2244,10 @@ void target_mourn_inferior (void) { struct target_ops *t; + + /* Clear schedlock in infrun.c */ + reset_schedlock (); + for (t = current_target.beneath; t != NULL; t = t->beneath) { if (t->to_mourn_inferior != NULL) @@ -2331,6 +2348,7 @@ simple_search_memory (struct target_ops *ops, if (found_ptr != NULL) { CORE_ADDR found_addr = start_addr + (found_ptr - search_buf); + *found_addrp = found_addr; do_cleanups (old_cleanups); return 1; @@ -2564,6 +2582,7 @@ int target_supports_non_stop (void) { struct target_ops *t; + for (t = ¤t_target; t != NULL; t = t->beneath) if (t->to_supports_non_stop) return t->to_supports_non_stop (); @@ -2881,6 +2900,7 @@ void target_attach (char *args, int from_tty) { struct target_ops *t; + for (t = current_target.beneath; t != NULL; t = t->beneath) { if (t->to_attach != NULL) @@ -2901,6 +2921,7 @@ int target_thread_alive (ptid_t ptid) { struct target_ops *t; + for (t = current_target.beneath; t != NULL; t = t->beneath) { if (t->to_thread_alive != NULL) @@ -2923,6 +2944,7 @@ void target_find_new_threads (void) { struct target_ops *t; + for (t = current_target.beneath; t != NULL; t = t->beneath) { if (t->to_find_new_threads != NULL) @@ -2991,6 +3013,7 @@ debug_print_register (const char * func, struct regcache *regcache, int regno) { struct gdbarch *gdbarch = get_regcache_arch (regcache); + fprintf_unfiltered (gdb_stdlog, "%s ", func); if (regno >= 0 && regno < gdbarch_num_regs (gdbarch) && gdbarch_register_name (gdbarch, regno) != NULL @@ -3004,6 +3027,7 @@ debug_print_register (const char * func, enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); int i, size = register_size (gdbarch, regno); unsigned char buf[MAX_REGISTER_SIZE]; + regcache_raw_collect (regcache, regno, buf); fprintf_unfiltered (gdb_stdlog, " = "); for (i = 0; i < size; i++) @@ -3013,6 +3037,7 @@ debug_print_register (const char * func, if (size <= sizeof (LONGEST)) { ULONGEST val = extract_unsigned_integer (buf, size, byte_order); + fprintf_unfiltered (gdb_stdlog, " %s %s", core_addr_to_string_nz (val), plongest (val)); } @@ -3024,6 +3049,7 @@ void target_fetch_registers (struct regcache *regcache, int regno) { struct target_ops *t; + for (t = current_target.beneath; t != NULL; t = t->beneath) { if (t->to_fetch_registers != NULL) @@ -3039,8 +3065,8 @@ target_fetch_registers (struct regcache *regcache, int regno) void target_store_registers (struct regcache *regcache, int regno) { - struct target_ops *t; + for (t = current_target.beneath; t != NULL; t = t->beneath) { if (t->to_store_registers != NULL) @@ -3067,6 +3093,7 @@ target_core_of_thread (ptid_t ptid) if (t->to_core_of_thread != NULL) { int retval = t->to_core_of_thread (t, ptid); + if (targetdebug) fprintf_unfiltered (gdb_stdlog, "target_core_of_thread (%d) = %d\n", PIDGET (ptid), retval); @@ -3087,6 +3114,7 @@ target_verify_memory (const gdb_byte *data, CORE_ADDR memaddr, ULONGEST size) if (t->to_verify_memory != NULL) { int retval = t->to_verify_memory (t, data, memaddr, size); + if (targetdebug) fprintf_unfiltered (gdb_stdlog, "target_verify_memory (%s, %s) = %d\n", paddress (target_gdbarch, memaddr), diff --git a/gdb/thread.c b/gdb/thread.c index 16a207c..c10d23c 100644 --- a/gdb/thread.c +++ b/gdb/thread.c @@ -397,6 +397,7 @@ ptid_t thread_id_to_pid (int num) { struct thread_info *thread = find_thread_id (num); + if (thread) return thread->ptid; else @@ -560,6 +561,7 @@ set_running (ptid_t ptid, int running) if (all || ptid_is_pid (ptid)) { int any_started = 0; + for (tp = thread_list; tp; tp = tp->next) if (all || ptid_get_pid (tp->ptid) == ptid_get_pid (ptid)) { @@ -575,6 +577,7 @@ set_running (ptid_t ptid, int running) else { int started = 0; + tp = find_thread_ptid (ptid); gdb_assert (tp); gdb_assert (tp->state_ != THREAD_EXITED); @@ -814,6 +817,7 @@ print_thread_info (struct ui_out *uiout, int requested_thread, int pid) if (ui_out_is_mi_like_p (uiout)) { char *state = "stopped"; + if (tp->state_ == THREAD_RUNNING) state = "running"; ui_out_field_string (uiout, "state", state); @@ -1005,6 +1009,7 @@ restore_current_thread_cleanup_dtor (void *arg) { struct current_thread_cleanup *old = arg; struct thread_info *tp; + tp = find_thread_ptid (old->inferior_ptid); if (tp) tp->refcount--; @@ -370,6 +370,7 @@ execute_command (char *p, int from_tty) { #ifdef HAVE_SBRK char *lim = (char *) sbrk (0); + space_at_cmd_start = lim - lim_at_start; #endif } @@ -515,6 +516,7 @@ command_loop (void) { #ifdef HAVE_SBRK char *lim = (char *) sbrk (0); + space_at_cmd_start = lim - lim_at_start; #endif } @@ -538,6 +540,7 @@ command_loop (void) { #ifdef HAVE_SBRK char *lim = (char *) sbrk (0); + long space_now = lim - lim_at_start; long space_diff = space_now - space_at_cmd_start; @@ -785,6 +788,7 @@ static void gdb_rl_operate_and_get_next_completion (void) { int delta = where_history () - operate_saved_history; + /* The `key' argument to rl_get_previous_history is ignored. */ rl_get_previous_history (delta, 0); operate_saved_history = -1; diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c index 81ed6f1..54904fb 100644 --- a/gdb/tracepoint.c +++ b/gdb/tracepoint.c @@ -1474,7 +1474,7 @@ add_aexpr (struct collection_list *collect, struct agent_expr *aexpr) { collect->aexpr_list = xrealloc (collect->aexpr_list, - 2 * collect->aexpr_listsize * sizeof (struct agent_expr *)); + 2 * collect->aexpr_listsize * sizeof (struct agent_expr *)); collect->aexpr_listsize *= 2; } collect->aexpr_list[collect->next_aexpr_elt] = aexpr; @@ -2622,6 +2622,7 @@ trace_save (const char *filename, int target_does_save) if (ts->stop_reason == tracepoint_error) { char *buf = (char *) alloca (strlen (ts->error_desc) * 2 + 1); + bin2hex ((gdb_byte *) ts->error_desc, buf, 0); fprintf (fp, ":%s", buf); } diff --git a/gdb/trad-frame.c b/gdb/trad-frame.c index a369e50..b38409e 100644 --- a/gdb/trad-frame.c +++ b/gdb/trad-frame.c @@ -57,6 +57,7 @@ trad_frame_alloc_saved_regs (struct frame_info *this_frame) int numregs = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch); struct trad_frame_saved_reg *this_saved_regs = FRAME_OBSTACK_CALLOC (numregs, struct trad_frame_saved_reg); + for (regnum = 0; regnum < numregs; regnum++) { this_saved_regs[regnum].realreg = regnum; diff --git a/gdb/tramp-frame.c b/gdb/tramp-frame.c index 3c7e9e6..feb0055 100644 --- a/gdb/tramp-frame.c +++ b/gdb/tramp-frame.c @@ -45,6 +45,7 @@ tramp_frame_cache (struct frame_info *this_frame, void **this_cache) { struct tramp_frame_cache *tramp_cache = (*this_cache); + if (tramp_cache->trad_cache == NULL) { tramp_cache->trad_cache = trad_frame_cache_zalloc (this_frame); @@ -63,6 +64,7 @@ tramp_frame_this_id (struct frame_info *this_frame, { struct trad_frame_cache *trad_cache = tramp_frame_cache (this_frame, this_cache); + trad_frame_get_id (trad_cache, this_id); } @@ -73,6 +75,7 @@ tramp_frame_prev_register (struct frame_info *this_frame, { struct trad_frame_cache *trad_cache = tramp_frame_cache (this_frame, this_cache); + return trad_frame_get_register (trad_cache, this_frame, prev_regnum); } @@ -83,16 +86,19 @@ tramp_frame_start (const struct tramp_frame *tramp, struct gdbarch *gdbarch = get_frame_arch (this_frame); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); int ti; + /* Search through the trampoline for one that matches the instruction sequence around PC. */ for (ti = 0; tramp->insn[ti].bytes != TRAMP_SENTINEL_INSN; ti++) { CORE_ADDR func = pc - tramp->insn_size * ti; int i; + for (i = 0; 1; i++) { gdb_byte buf[sizeof (tramp->insn[0])]; ULONGEST insn; + if (tramp->insn[i].bytes == TRAMP_SENTINEL_INSN) return func; if (!safe_frame_unwind_memory (this_frame, diff --git a/gdb/ui-file.c b/gdb/ui-file.c index 493ae43..f40bfdb 100644 --- a/gdb/ui-file.c +++ b/gdb/ui-file.c @@ -56,6 +56,7 @@ struct ui_file * ui_file_new (void) { struct ui_file *file = xmalloc (sizeof (struct ui_file)); + file->magic = &ui_file_magic; set_ui_file_data (file, NULL, null_file_delete); set_ui_file_flush (file, null_file_flush); @@ -119,6 +120,7 @@ null_file_write (struct ui_file *file, is possible to clean up that code. */ int i; char b[2]; + b[1] = '\0'; for (i = 0; i < sizeof_buf; i++) { @@ -277,6 +279,7 @@ static void do_ui_file_xstrdup (void *context, const char *buffer, long length) { struct accumulated_ui_file *acc = context; + if (acc->buffer == NULL) acc->buffer = xmalloc (length + 1); else @@ -290,6 +293,7 @@ char * ui_file_xstrdup (struct ui_file *file, long *length) { struct accumulated_ui_file acc; + acc.buffer = NULL; acc.length = 0; ui_file_put (file, do_ui_file_xstrdup, &acc); @@ -304,6 +308,7 @@ static void do_ui_file_obsavestring (void *context, const char *buffer, long length) { struct obstack *obstack = (struct obstack *) context; + obstack_grow (obstack, buffer, length); } @@ -341,6 +346,7 @@ mem_file_new (void) { struct mem_file *stream = XMALLOC (struct mem_file); struct ui_file *file = ui_file_new (); + set_ui_file_data (file, stream, mem_file_delete); set_ui_file_rewind (file, mem_file_rewind); set_ui_file_put (file, mem_file_put); @@ -356,6 +362,7 @@ static void mem_file_delete (struct ui_file *file) { struct mem_file *stream = ui_file_data (file); + if (stream->magic != &mem_file_magic) internal_error (__FILE__, __LINE__, _("mem_file_delete: bad magic number")); @@ -374,6 +381,7 @@ static void mem_file_rewind (struct ui_file *file) { struct mem_file *stream = ui_file_data (file); + if (stream->magic != &mem_file_magic) internal_error (__FILE__, __LINE__, _("mem_file_rewind: bad magic number")); @@ -386,6 +394,7 @@ mem_file_put (struct ui_file *file, void *dest) { struct mem_file *stream = ui_file_data (file); + if (stream->magic != &mem_file_magic) internal_error (__FILE__, __LINE__, _("mem_file_put: bad magic number")); @@ -399,6 +408,7 @@ mem_file_write (struct ui_file *file, long length_buffer) { struct mem_file *stream = ui_file_data (file); + if (stream->magic != &mem_file_magic) internal_error (__FILE__, __LINE__, _("mem_file_write: bad magic number")); @@ -412,6 +422,7 @@ mem_file_write (struct ui_file *file, else { int new_length = stream->length_buffer + length_buffer; + if (new_length >= stream->sizeof_buffer) { stream->sizeof_buffer = new_length; @@ -447,6 +458,7 @@ stdio_file_new (FILE *file, int close_p) { struct ui_file *ui_file = ui_file_new (); struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file)); + stdio->magic = &stdio_file_magic; stdio->file = file; stdio->close_p = close_p; @@ -463,6 +475,7 @@ static void stdio_file_delete (struct ui_file *file) { struct stdio_file *stdio = ui_file_data (file); + if (stdio->magic != &stdio_file_magic) internal_error (__FILE__, __LINE__, _("stdio_file_delete: bad magic number")); @@ -477,6 +490,7 @@ static void stdio_file_flush (struct ui_file *file) { struct stdio_file *stdio = ui_file_data (file); + if (stdio->magic != &stdio_file_magic) internal_error (__FILE__, __LINE__, _("stdio_file_flush: bad magic number")); @@ -487,6 +501,7 @@ static long stdio_file_read (struct ui_file *file, char *buf, long length_buf) { struct stdio_file *stdio = ui_file_data (file); + if (stdio->magic != &stdio_file_magic) internal_error (__FILE__, __LINE__, _("stdio_file_read: bad magic number")); @@ -496,6 +511,7 @@ stdio_file_read (struct ui_file *file, char *buf, long length_buf) Control-C can interrupt gdb_select, but not read. */ { int fd = fileno (stdio->file); + fd_set readfds; FD_ZERO (&readfds); FD_SET (fd, &readfds); @@ -510,6 +526,7 @@ static void stdio_file_write (struct ui_file *file, const char *buf, long length_buf) { struct stdio_file *stdio = ui_file_data (file); + if (stdio->magic != &stdio_file_magic) internal_error (__FILE__, __LINE__, _("stdio_file_write: bad magic number")); @@ -522,6 +539,7 @@ static void stdio_file_fputs (const char *linebuffer, struct ui_file *file) { struct stdio_file *stdio = ui_file_data (file); + if (stdio->magic != &stdio_file_magic) internal_error (__FILE__, __LINE__, _("stdio_file_fputs: bad magic number")); @@ -534,6 +552,7 @@ static int stdio_file_isatty (struct ui_file *file) { struct stdio_file *stdio = ui_file_data (file); + if (stdio->magic != &stdio_file_magic) internal_error (__FILE__, __LINE__, _("stdio_file_isatty: bad magic number")); @@ -552,6 +571,7 @@ struct ui_file * gdb_fopen (char *name, char *mode) { FILE *f = fopen (name, mode); + if (f == NULL) return NULL; return stdio_file_new (f, 1); @@ -580,6 +600,7 @@ tee_file_new (struct ui_file *one, int close_one, { struct ui_file *ui_file = ui_file_new (); struct tee_file *tee = xmalloc (sizeof (struct tee_file)); + tee->magic = &tee_file_magic; tee->one = one; tee->two = two; @@ -597,6 +618,7 @@ static void tee_file_delete (struct ui_file *file) { struct tee_file *tee = ui_file_data (file); + if (tee->magic != &tee_file_magic) internal_error (__FILE__, __LINE__, _("tee_file_delete: bad magic number")); @@ -612,6 +634,7 @@ static void tee_file_flush (struct ui_file *file) { struct tee_file *tee = ui_file_data (file); + if (tee->magic != &tee_file_magic) internal_error (__FILE__, __LINE__, _("tee_file_flush: bad magic number")); @@ -623,6 +646,7 @@ static void tee_file_write (struct ui_file *file, const char *buf, long length_buf) { struct tee_file *tee = ui_file_data (file); + if (tee->magic != &tee_file_magic) internal_error (__FILE__, __LINE__, _("tee_file_write: bad magic number")); @@ -634,6 +658,7 @@ static void tee_file_fputs (const char *linebuffer, struct ui_file *file) { struct tee_file *tee = ui_file_data (file); + if (tee->magic != &tee_file_magic) internal_error (__FILE__, __LINE__, _("tee_file_fputs: bad magic number")); @@ -645,6 +670,7 @@ static int tee_file_isatty (struct ui_file *file) { struct tee_file *tee = ui_file_data (file); + if (tee->magic != &tee_file_magic) internal_error (__FILE__, __LINE__, _("tee_file_isatty: bad magic number")); diff --git a/gdb/ui-out.c b/gdb/ui-out.c index ebb312a..4d3bf0c 100644 --- a/gdb/ui-out.c +++ b/gdb/ui-out.c @@ -124,6 +124,7 @@ push_level (struct ui_out *uiout, const char *id) { struct ui_out_level *current; + /* We had better not overflow the buffer. */ uiout->level++; gdb_assert (uiout->level >= 0 && uiout->level < MAX_UI_OUT_LEVELS); @@ -371,6 +372,7 @@ ui_out_begin (struct ui_out *uiout, const char *id) { int new_level; + if (uiout->table.flag && !uiout->table.body_flag) internal_error (__FILE__, __LINE__, _("table header or table_body expected; lists must be \ @@ -387,6 +389,7 @@ specified after table_body.")); int fldno; int width; int align; + verify_field (uiout, &fldno, &width, &align); } @@ -406,6 +409,7 @@ ui_out_end (struct ui_out *uiout, enum ui_out_type type) { int old_level = pop_level (uiout, type); + uo_end (uiout, type, old_level); } @@ -419,6 +423,7 @@ static void do_cleanup_end (void *data) { struct ui_out_end_cleanup_data *end_cleanup_data = data; + ui_out_end (end_cleanup_data->uiout, end_cleanup_data->type); xfree (end_cleanup_data); } @@ -428,6 +433,7 @@ make_cleanup_ui_out_end (struct ui_out *uiout, enum ui_out_type type) { struct ui_out_end_cleanup_data *end_cleanup_data; + end_cleanup_data = XMALLOC (struct ui_out_end_cleanup_data); end_cleanup_data->uiout = uiout; end_cleanup_data->type = type; @@ -511,6 +517,7 @@ ui_out_field_stream (struct ui_out *uiout, long length; char *buffer = ui_file_xstrdup (buf->stream, &length); struct cleanup *old_cleanup = make_cleanup (xfree, buffer); + if (length > 0) ui_out_field_string (uiout, fldname, buffer); else @@ -589,9 +596,7 @@ ui_out_message (struct ui_out *uiout, int verbosity, va_list args; va_start (args, format); - uo_message (uiout, verbosity, format, args); - va_end (args); } @@ -651,7 +656,6 @@ ui_out_set_flags (struct ui_out *uiout, int mask) int oldflags = uiout->flags; uiout->flags |= mask; - return oldflags; } @@ -662,7 +666,6 @@ ui_out_clear_flags (struct ui_out *uiout, int mask) int oldflags = uiout->flags; uiout->flags &= ~mask; - return oldflags; } @@ -1145,6 +1148,7 @@ ui_out_new (struct ui_out_impl *impl, void *data, int flags) { struct ui_out *uiout = XMALLOC (struct ui_out); + uiout->data = data; uiout->impl = impl; uiout->flags = flags; diff --git a/gdb/user-regs.c b/gdb/user-regs.c index 7deeb1b..0107377 100644 --- a/gdb/user-regs.c +++ b/gdb/user-regs.c @@ -96,7 +96,9 @@ static void * user_regs_init (struct gdbarch *gdbarch) { struct user_reg *reg; - struct gdb_user_regs *regs = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdb_user_regs); + struct gdb_user_regs *regs + = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdb_user_regs); + regs->last = ®s->first; for (reg = builtin_user_regs.first; reg != NULL; reg = reg->next) append_user_reg (regs, reg->name, reg->read, reg->baton, @@ -109,6 +111,7 @@ user_reg_add (struct gdbarch *gdbarch, const char *name, user_reg_read_ftype *read, const void *baton) { struct gdb_user_regs *regs = gdbarch_data (gdbarch, user_regs_data); + if (regs == NULL) { /* ULGH, called during architecture initialization. Patch @@ -134,9 +137,11 @@ user_reg_map_name_to_regnum (struct gdbarch *gdbarch, const char *name, int i; int maxregs = (gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch)); + for (i = 0; i < maxregs; i++) { const char *regname = gdbarch_register_name (gdbarch, i); + if (regname != NULL && len == strlen (regname) && strncmp (regname, name, len) == 0) { @@ -150,6 +155,7 @@ user_reg_map_name_to_regnum (struct gdbarch *gdbarch, const char *name, struct gdb_user_regs *regs = gdbarch_data (gdbarch, user_regs_data); struct user_reg *reg; int nr; + for (nr = 0, reg = regs->first; reg != NULL; reg = reg->next, nr++) { if ((len < 0 && strcmp (reg->name, name)) @@ -168,6 +174,7 @@ usernum_to_user_reg (struct gdbarch *gdbarch, int usernum) { struct gdb_user_regs *regs = gdbarch_data (gdbarch, user_regs_data); struct user_reg *reg; + for (reg = regs->first; reg != NULL; reg = reg->next) { if (usernum == 0) @@ -182,6 +189,7 @@ user_reg_map_regnum_to_name (struct gdbarch *gdbarch, int regnum) { int maxregs = (gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch)); + if (regnum < 0) return NULL; else if (regnum < maxregs) @@ -203,6 +211,7 @@ value_of_user_reg (int regnum, struct frame_info *frame) int maxregs = (gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch)); struct user_reg *reg = usernum_to_user_reg (gdbarch, regnum - maxregs); + gdb_assert (reg != NULL); return reg->read (frame, reg->baton); } diff --git a/gdb/utils.c b/gdb/utils.c index 9aa6a9c..472cf47 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -943,6 +943,7 @@ internal_vproblem (struct internal_problem *problem, /* Don't allow infinite error/warning recursion. */ { static char msg[] = "Recursive internal problem.\n"; + switch (dejavu) { case 0: @@ -976,6 +977,7 @@ internal_vproblem (struct internal_problem *problem, so that the user knows that they are living on the edge. */ { char *msg; + msg = xstrvprintf (fmt, ap); reason = xstrprintf ("\ %s:%d: %s: %s\n\ @@ -1801,7 +1803,6 @@ printchar (int c, void (*do_fputs) (const char *, struct ui_file *), void (*do_fprintf) (struct ui_file *, const char *, ...) ATTRIBUTE_FPTR_PRINTF_2, struct ui_file *stream, int quoter) { - c &= 0xFF; /* Avoid sign bit follies */ if (c < 0x20 || /* Low control chars */ @@ -1878,6 +1879,7 @@ fputstrn_unfiltered (const char *str, int n, int quoter, struct ui_file *stream) { int i; + for (i = 0; i < n; i++) printchar (str[i], fputs_unfiltered, fprintf_unfiltered, stream, quoter); } @@ -2073,6 +2075,7 @@ prompt_for_continue (void) if (ignore) { char *p = ignore; + while (*p == ' ' || *p == '\t') ++p; if (p[0] == 'q') @@ -2965,8 +2968,8 @@ decimal2str (char *sign, ULONGEST addr, int width) about the real size of addr as the above does? */ unsigned long temp[3]; char *str = get_cell (); - int i = 0; + do { temp[i] = addr % (1000 * 1000 * 1000); @@ -3006,8 +3009,8 @@ octal2str (ULONGEST addr, int width) { unsigned long temp[3]; char *str = get_cell (); - int i = 0; + do { temp[i] = addr % (0100000 * 0100000); @@ -3101,6 +3104,7 @@ phex_nz (ULONGEST l, int sizeof_l) case 8: { unsigned long high = (unsigned long) (l >> thirty_two); + str = get_cell (); if (high == 0) xsnprintf (str, CELLSIZE, "%lx", @@ -3177,6 +3181,7 @@ int_string (LONGEST val, int radix, int is_signed, int width, case 16: { char *result; + if (width == 0) result = hex_string (val); else @@ -3195,6 +3200,7 @@ int_string (LONGEST val, int radix, int is_signed, int width, case 8: { char *result = octal2str (val, width); + if (use_c_format || val == 0) return result; else @@ -3237,6 +3243,7 @@ string_to_core_addr (const char *my_string) { /* Assume that it is in hex. */ int i; + for (i = 2; my_string[i] != '\0'; i++) { if (isdigit (my_string[i])) @@ -3251,6 +3258,7 @@ string_to_core_addr (const char *my_string) { /* Assume that it is in decimal. */ int i; + for (i = 0; my_string[i] != '\0'; i++) { if (isdigit (my_string[i])) @@ -3290,6 +3298,7 @@ gdb_realpath (const char *filename) # endif # if defined (USE_REALPATH) const char *rp = realpath (filename, buf); + if (rp == NULL) rp = filename; return xstrdup (rp); @@ -3303,6 +3312,7 @@ gdb_realpath (const char *filename) #if defined(HAVE_CANONICALIZE_FILE_NAME) { char *rp = canonicalize_file_name (filename); + if (rp == NULL) return xstrdup (filename); else @@ -3330,11 +3340,13 @@ gdb_realpath (const char *filename) { /* Find out the max path size. */ long path_max = pathconf ("/", _PC_PATH_MAX); + if (path_max > 0) { /* PATH_MAX is bounded. */ char *buf = alloca (path_max); char *rp = realpath (filename, buf); + return xstrdup (rp ? rp : filename); } } |