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authorJan Kratochvil <jan.kratochvil@redhat.com>2012-12-24 19:40:02 +0000
committerJan Kratochvil <jan.kratochvil@redhat.com>2012-12-24 19:40:02 +0000
commit8227630c51595ba62191fd6793eddfb36753bed9 (patch)
treeb87b8eb388f490d382ec7c52c2e2b5210cd5c9ad /gdb/skip.c
parentf9d858df4458c8afc691f0927c82f707d1455e19 (diff)
downloadgdb-8227630c51595ba62191fd6793eddfb36753bed9.tar.gz
gdb/
* breakpoint.c (breakpoint_re_set): Remove the skip_re_set call. * infrun.c (handle_inferior_event): Rename the called function to function_name_is_marked_for_skip, pass it TMP_SAL. * skip.c (struct skiplist_entry): Update function_name comment. Remove fields pc, gdbarch and pending. (skip_function_pc): Rename this forward declaration to ... (skip_function): ... here. (skip_file_command): Remove variable pending and its use, remove initialization of E fields pending and gdbarch. Do not use SYMTAB filename, use the specified one. (skip_function_command): Remove variable func_pc, do not set it. Update the caller of skip_function. Replace decode_line_1 call by a lookup_symbol call. Remove variables orig_arg, decode_exception and sals. Update the caller of skip_function. (skip_info): Remove variable address_width and its use. Do not print address (PC). Renumber column 5 to 4. (skip_function_pc): Rename to ... (skip_function): ... here and remove its parameters pc, arch and pending. Update the function comment and no longer use those parameters. (function_pc_is_marked_for_skip): Rename to ... (function_name_is_marked_for_skip): ... here, update function comment just to a skip.h reference, replace pc parameter by function_name and function_sal. No longer use E field pending and pc. Remove variables searched_for_sal, sal and filename. Call compare_filenames_for_search instead of just strcmp. (skip_re_set): Remove the function. * skip.h (struct symtab_and_line): New declaration. (function_pc_is_marked_for_skip): Rename to ... (function_name_is_marked_for_skip): ... here, replace pc parameter by function_name and function_sal, update the function comment. gdb/testsuite/ * gdb.base/skip-solib.exp (info skip with pending file): Update the expected output. (info skip with pending file): Remove. (ignoring function in solib, info skip for function multiply): Update the expected output. * gdb.base/skip.ex (skip (main), skip function baz, info skip) (info skip (delete 1), info skip after disabling all) (info skip after enabling all, info skip after disabling 4 2-3) (info skip after enabling 2-3, info skip 2-3) (info skip after deleting 2 3): Update the expected output. * gdb.linespec/base/two/thefile.cc (n): New variable v, split the statement to its initialization and return. * gdb.linespec/skip-two.exp: New file.
Diffstat (limited to 'gdb/skip.c')
-rw-r--r--gdb/skip.c259
1 files changed, 38 insertions, 221 deletions
diff --git a/gdb/skip.c b/gdb/skip.c
index f07edd340c6..ed726fcaf3d 100644
--- a/gdb/skip.c
+++ b/gdb/skip.c
@@ -42,30 +42,17 @@ struct skiplist_entry
char *filename;
/* The name of the marked-for-skip function, if this is a skiplist
- entry for a function. Note that this might be non-null even if
- the pc is 0 if the entry is pending a shared library load.
-
+ entry for a function.
The skiplist entry owns this pointer. */
char *function_name;
- /* 0 if this is a skiplist entry for an entire file, or if this
- entry will be on a function, pending a shared library load. */
- CORE_ADDR pc;
-
- /* Architecture we used to create the skiplist entry. May be null
- if the entry is pending a shared library load. */
- struct gdbarch *gdbarch;
-
int enabled;
- int pending;
struct skiplist_entry *next;
};
static void add_skiplist_entry (struct skiplist_entry *e);
-static void skip_function_pc (CORE_ADDR pc, const char *name,
- struct gdbarch *arch,
- int pending);
+static void skip_function (const char *name);
static struct skiplist_entry *skiplist_entry_chain;
static int skiplist_entry_count;
@@ -83,7 +70,6 @@ skip_file_command (char *arg, int from_tty)
{
struct skiplist_entry *e;
const struct symtab *symtab;
- int pending = 0;
const char *filename = NULL;
/* If no argument was given, try to default to the last
@@ -106,19 +92,13 @@ skip_file_command (char *arg, int from_tty)
Ignore file pending future shared library load? ")))
return;
- pending = 1;
- filename = arg;
}
- else
- filename = symtab->filename;
+ filename = arg;
}
e = XZALLOC (struct skiplist_entry);
e->filename = xstrdup (filename);
e->enabled = 1;
- e->pending = pending;
- if (symtab != NULL)
- e->gdbarch = get_objfile_arch (symtab->objfile);
add_skiplist_entry (e);
@@ -128,7 +108,6 @@ Ignore file pending future shared library load? ")))
static void
skip_function_command (char *arg, int from_tty)
{
- CORE_ADDR func_pc;
const char *name = NULL;
/* Default to the current function if no argument is given. */
@@ -140,67 +119,30 @@ skip_function_command (char *arg, int from_tty)
error (_("No default function now."));
pc = get_last_displayed_addr ();
- if (!find_pc_partial_function (pc, &name, &func_pc, NULL))
+ if (!find_pc_partial_function (pc, &name, NULL, NULL))
{
error (_("No function found containing current program point %s."),
paddress (get_current_arch (), pc));
}
- skip_function_pc (func_pc, name, get_current_arch (), 0);
+ skip_function (name);
}
else
{
- /* Decode arg. We set funfirstline = 1 so decode_line_1 will give us the
- first line of the function specified, if it can, and so that we'll
- reject variable names and the like. */
- char *orig_arg = arg; /* decode_line_1 modifies the arg pointer. */
- volatile struct gdb_exception decode_exception;
- struct symtabs_and_lines sals = { NULL };
-
- TRY_CATCH (decode_exception, RETURN_MASK_ERROR)
- {
- sals = decode_line_1 (&arg, DECODE_LINE_FUNFIRSTLINE, NULL, 0);
- }
-
- if (decode_exception.reason < 0)
+ if (lookup_symbol (arg, NULL, VAR_DOMAIN, NULL) == NULL)
{
- if (decode_exception.error != NOT_FOUND_ERROR)
- throw_exception (decode_exception);
-
fprintf_filtered (gdb_stderr,
- _("No function found named %s.\n"), orig_arg);
+ _("No function found named %s.\n"), arg);
if (nquery (_("\
Ignore function pending future shared library load? ")))
{
- /* Add the pending skiplist entry. */
- skip_function_pc (0, orig_arg, NULL, 1);
+ /* Add the unverified skiplist entry. */
+ skip_function (arg);
}
-
return;
}
- if (sals.nelts > 1)
- error (_("Specify just one function at a time."));
- if (*arg != 0)
- error (_("Junk at end of arguments."));
-
- /* The pc decode_line_1 gives us is the first line of the function,
- but we actually want the line before that. The call to
- find_pc_partial_function gets us the value we actually want. */
- {
- struct symtab_and_line sal = sals.sals[0];
- CORE_ADDR pc = sal.pc;
- CORE_ADDR func_start = 0;
- struct gdbarch *arch = get_sal_arch (sal);
-
- if (!find_pc_partial_function (pc, &name, &func_start, NULL))
- {
- error (_("No function found containing program point %s."),
- paddress (arch, pc));
- }
-
- skip_function_pc (func_start, name, arch, 0);
- }
+ skip_function (arg);
}
}
@@ -209,7 +151,6 @@ skip_info (char *arg, int from_tty)
{
struct skiplist_entry *e;
int num_printable_entries = 0;
- int address_width = 10;
struct value_print_options opts;
struct cleanup *tbl_chain;
@@ -219,11 +160,7 @@ skip_info (char *arg, int from_tty)
64-bit address anywhere. */
ALL_SKIPLIST_ENTRIES (e)
if (arg == NULL || number_is_in_list (arg, e->number))
- {
- num_printable_entries++;
- if (e->gdbarch && gdbarch_addr_bit (e->gdbarch) > 32)
- address_width = 18;
- }
+ num_printable_entries++;
if (num_printable_entries == 0)
{
@@ -237,25 +174,14 @@ Not skipping any files or functions.\n"));
return;
}
- if (opts.addressprint)
- tbl_chain = make_cleanup_ui_out_table_begin_end (current_uiout, 5,
- num_printable_entries,
- "SkiplistTable");
- else
- tbl_chain
- = make_cleanup_ui_out_table_begin_end (current_uiout, 4,
- num_printable_entries,
- "SkiplistTable");
+ tbl_chain = make_cleanup_ui_out_table_begin_end (current_uiout, 4,
+ num_printable_entries,
+ "SkiplistTable");
ui_out_table_header (current_uiout, 7, ui_left, "number", "Num"); /* 1 */
ui_out_table_header (current_uiout, 14, ui_left, "type", "Type"); /* 2 */
ui_out_table_header (current_uiout, 3, ui_left, "enabled", "Enb"); /* 3 */
- if (opts.addressprint)
- {
- ui_out_table_header (current_uiout, address_width, ui_left,
- "addr", "Address"); /* 4 */
- }
- ui_out_table_header (current_uiout, 40, ui_noalign, "what", "What"); /* 5 */
+ ui_out_table_header (current_uiout, 40, ui_noalign, "what", "What"); /* 4 */
ui_out_table_body (current_uiout);
ALL_SKIPLIST_ENTRIES (e)
@@ -283,39 +209,10 @@ Skiplist entry should have either a filename or a function name."));
else
ui_out_field_string (current_uiout, "enabled", "n"); /* 3 */
- if (opts.addressprint)
- {
- if (e->pc != 0)
- ui_out_field_core_addr (current_uiout, "addr",
- e->gdbarch, e->pc); /* 4 */
- else
- ui_out_field_string (current_uiout, "addr", ""); /* 4 */
- }
-
- if (!e->pending && e->function_name != NULL)
- {
- struct symbol *sym;
-
- gdb_assert (e->pc != 0);
- sym = find_pc_function (e->pc);
- if (sym != NULL)
- ui_out_field_fmt (current_uiout, "what", "%s at %s:%d",
- sym->ginfo.name,
- SYMBOL_SYMTAB (sym)->filename,
- sym->line); /* 5 */
- else
- ui_out_field_string (current_uiout, "what", "?"); /* 5 */
- }
- else if (e->pending && e->function_name != NULL)
- {
- ui_out_field_fmt (current_uiout, "what", "%s (PENDING)",
- e->function_name); /* 5 */
- }
- else if (!e->pending && e->filename != NULL)
- ui_out_field_string (current_uiout, "what", e->filename); /* 5 */
- else if (e->pending && e->filename != NULL)
- ui_out_field_fmt (current_uiout, "what", "%s (PENDING)",
- e->filename); /* 5 */
+ if (e->function_name != NULL)
+ ui_out_field_string (current_uiout, "what", e->function_name); /* 4 */
+ else if (e->filename != NULL)
+ ui_out_field_string (current_uiout, "what", e->filename); /* 4 */
ui_out_text (current_uiout, "\n");
do_cleanups (entry_chain);
@@ -387,30 +284,20 @@ skip_delete_command (char *arg, int from_tty)
error (_("No skiplist entries found with number %s."), arg);
}
-/* Create a skiplist entry for the given pc corresponding to the given
- function name and add it to the list. */
+/* Create a skiplist entry for the given function NAME and add it to the
+ list. */
static void
-skip_function_pc (CORE_ADDR pc, const char *name, struct gdbarch *arch,
- int pending)
+skip_function (const char *name)
{
struct skiplist_entry *e = XZALLOC (struct skiplist_entry);
- e->pc = pc;
- e->gdbarch = arch;
e->enabled = 1;
- e->pending = pending;
e->function_name = xstrdup (name);
add_skiplist_entry (e);
- if (!pending)
- printf_filtered (_("Function %s at %s will be skipped when stepping.\n"),
- name, paddress (get_current_arch (), pc));
- else
- printf_filtered (_("Function %s will be skipped when stepping, "
- "pending shared library load.\n"),
- name);
+ printf_filtered (_("Function %s will be skipped when stepping.\n"), name);
}
/* Add the given skiplist entry to our list, and set the entry's number. */
@@ -436,108 +323,38 @@ add_skiplist_entry (struct skiplist_entry *e)
}
}
-/* Does the given pc correspond to the beginning of a skipped function? */
+
+/* See skip.h. */
int
-function_pc_is_marked_for_skip (CORE_ADDR pc)
+function_name_is_marked_for_skip (const char *function_name,
+ const struct symtab_and_line *function_sal)
{
- int searched_for_sal = 0;
- struct symtab_and_line sal;
- const char *filename = NULL;
struct skiplist_entry *e;
+ if (function_name == NULL)
+ return 0;
+
ALL_SKIPLIST_ENTRIES (e)
{
- if (!e->enabled || e->pending)
+ if (!e->enabled)
continue;
/* Does the pc we're stepping into match e's stored pc? */
- if (e->pc != 0 && pc == e->pc)
+ if (e->function_name != NULL
+ && strcmp_iw (function_name, e->function_name) == 0)
return 1;
- if (e->filename != NULL)
- {
- /* Get the filename corresponding to this pc, if we haven't yet. */
- if (!searched_for_sal)
- {
- sal = find_pc_line (pc, 0);
- if (sal.symtab != NULL)
- filename = sal.symtab->filename;
- searched_for_sal = 1;
- }
- if (filename != NULL && strcmp (filename, e->filename) == 0)
- return 1;
- }
+ if (e->filename != NULL && function_sal->symtab != NULL
+ && function_sal->symtab->filename != NULL
+ && compare_filenames_for_search (function_sal->symtab->filename,
+ e->filename))
+ return 1;
}
return 0;
}
-/* Re-set the skip list after symbols have been re-loaded. */
-
-void
-skip_re_set (void)
-{
- struct skiplist_entry *e;
-
- ALL_SKIPLIST_ENTRIES (e)
- {
- if (e->filename != NULL)
- {
- /* If it's an entry telling us to skip a file, but the entry is
- currently pending a solib load, let's see if we now know
- about the file. */
- const struct symtab *symtab = lookup_symtab (e->filename);
-
- if (symtab != NULL)
- {
- xfree (e->filename);
- e->filename = xstrdup (symtab->filename);
- e->gdbarch = get_objfile_arch (symtab->objfile);
- e->pending = 0;
- }
- else
- {
- e->pending = 1;
- }
- }
- else if (e->function_name != NULL)
- {
- char *func_name = e->function_name;
- struct symtabs_and_lines sals = { NULL };
- volatile struct gdb_exception decode_exception;
-
- TRY_CATCH (decode_exception, RETURN_MASK_ERROR)
- {
- sals = decode_line_1 (&func_name, DECODE_LINE_FUNFIRSTLINE, NULL,
- 0);
- }
-
- if (decode_exception.reason >= 0
- && sals.nelts == 1 && *func_name == 0)
- {
- struct symtab_and_line sal = sals.sals[0];
- CORE_ADDR pc = sal.pc;
- CORE_ADDR func_start = 0;
- struct gdbarch *arch = get_sal_arch (sal);
- const char *func_name;
-
- if (find_pc_partial_function (pc, &func_name, &func_start, NULL))
- {
- e->pending = 0;
- e->function_name = xstrdup (func_name);
- e->pc = func_start;
- e->gdbarch = arch;
- }
- }
- else
- {
- e->pending = 1;
- }
- }
- }
-}
-
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_step_skip;