summaryrefslogtreecommitdiffstats
path: root/src/btparser/thread.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/btparser/thread.c')
-rw-r--r--src/btparser/thread.c399
1 files changed, 0 insertions, 399 deletions
diff --git a/src/btparser/thread.c b/src/btparser/thread.c
deleted file mode 100644
index 05f154d6..00000000
--- a/src/btparser/thread.c
+++ /dev/null
@@ -1,399 +0,0 @@
-/*
- thread.c
-
- Copyright (C) 2010 Red Hat, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-#include "thread.h"
-#include "frame.h"
-#include "strbuf.h"
-#include "utils.h"
-#include "location.h"
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-struct btp_thread *
-btp_thread_new()
-{
- struct btp_thread *thread = btp_malloc(sizeof(struct btp_thread));
- btp_thread_init(thread);
- return thread;
-}
-
-void
-btp_thread_init(struct btp_thread *thread)
-{
- thread->number = -1;
- thread->frames = NULL;
- thread->next = NULL;
-}
-
-void
-btp_thread_free(struct btp_thread *thread)
-{
- if (!thread)
- return;
-
- while (thread->frames)
- {
- struct btp_frame *rm = thread->frames;
- thread->frames = rm->next;
- btp_frame_free(rm);
- }
-
- free(thread);
-}
-
-struct btp_thread *
-btp_thread_dup(struct btp_thread *thread, bool siblings)
-{
- struct btp_thread *result = btp_thread_new();
- memcpy(result, thread, sizeof(struct btp_thread));
-
- /* Handle siblings. */
- if (siblings)
- {
- if (result->next)
- result->next = btp_thread_dup(result->next, true);
- }
- else
- result->next = NULL; /* Do not copy that. */
-
- result->frames = btp_frame_dup(result->frames, true);
-
- return result;
-}
-
-int
-btp_thread_cmp(struct btp_thread *t1, struct btp_thread *t2)
-{
- int number = t1->number - t2->number;
- if (number != 0)
- return number;
- struct btp_frame *f1 = t1->frames, *f2 = t2->frames;
- do {
- if (f1 && !f2)
- return 1;
- else if (f2 && !f1)
- return -1;
- else if (f1 && f2)
- {
- int frames = btp_frame_cmp(f1, f2, true);
- if (frames != 0)
- return frames;
- f1 = f1->next;
- f2 = f2->next;
- }
- } while (f1 || f2);
-
- return 0;
-}
-
-struct btp_thread *
-btp_thread_add_sibling(struct btp_thread *a, struct btp_thread *b)
-{
- struct btp_thread *aa = a;
- while (aa->next)
- aa = aa->next;
-
- aa->next = b;
- return a;
-}
-
-int
-btp_thread_get_frame_count(struct btp_thread *thread)
-{
- struct btp_frame *frame = thread->frames;
- int count = 0;
- while (frame)
- {
- frame = frame->next;
- ++count;
- }
- return count;
-}
-
-void
-btp_thread_quality_counts(struct btp_thread *thread,
- int *ok_count,
- int *all_count)
-{
- struct btp_frame *frame = thread->frames;
- while (frame)
- {
- *all_count += 1;
- if (frame->signal_handler_called ||
- (frame->function_name
- && 0 != strcmp(frame->function_name, "??")))
- {
- *ok_count += 1;
- }
- frame = frame->next;
- }
-}
-
-float
-btp_thread_quality(struct btp_thread *thread)
-{
- int ok_count = 0, all_count = 0;
- btp_thread_quality_counts(thread, &ok_count, &all_count);
- if (0 == all_count)
- return 1;
- return ok_count/(float)all_count;
-}
-
-bool
-btp_thread_remove_frame(struct btp_thread *thread,
- struct btp_frame *frame)
-{
- struct btp_frame *loop_frame = thread->frames, *prev_frame = NULL;
- while (loop_frame)
- {
- if (loop_frame == frame)
- {
- if (prev_frame)
- prev_frame->next = loop_frame->next;
- else
- thread->frames = loop_frame->next;
-
- btp_frame_free(loop_frame);
- return true;
- }
- prev_frame = loop_frame;
- loop_frame = loop_frame->next;
- }
- return false;
-}
-
-bool
-btp_thread_remove_frames_above(struct btp_thread *thread,
- struct btp_frame *frame)
-{
- /* Check that the frame is present in the thread. */
- struct btp_frame *loop_frame = thread->frames;
- while (loop_frame)
- {
- if (loop_frame == frame)
- break;
- loop_frame = loop_frame->next;
- }
-
- if (!loop_frame)
- return false;
-
- /* Delete all the frames up to the frame. */
- while (thread->frames != frame)
- {
- loop_frame = thread->frames->next;
- btp_frame_free(thread->frames);
- thread->frames = loop_frame;
- }
-
- return true;
-}
-
-void
-btp_thread_remove_frames_below_n(struct btp_thread *thread,
- int n)
-{
- assert(n >= 0);
-
- /* Skip some frames to get the required stack depth. */
- int i = n;
- struct btp_frame *frame = thread->frames, *last_frame = NULL;
- while (frame && i)
- {
- last_frame = frame;
- frame = frame->next;
- --i;
- }
-
- /* Delete the remaining frames. */
- if (last_frame)
- last_frame->next = NULL;
- else
- thread->frames = NULL;
-
- while (frame)
- {
- struct btp_frame *delete_frame = frame;
- frame = frame->next;
- btp_frame_free(delete_frame);
- }
-}
-
-void
-btp_thread_append_to_str(struct btp_thread *thread,
- struct strbuf *str,
- bool verbose)
-{
- int framecount = btp_thread_get_frame_count(thread);
- if (verbose)
- {
- strbuf_append_strf(str, "Thread no. %d (%d frames)\n",
- thread->number, framecount);
- }
- else
- strbuf_append_str(str, "Thread\n");
-
- struct btp_frame *frame = thread->frames;
- while (frame)
- {
- btp_frame_append_to_str(frame, str, verbose);
- frame = frame->next;
- }
-}
-
-struct btp_thread *
-btp_thread_parse(char **input,
- struct btp_location *location)
-{
- char *local_input = *input;
-
- /* Read the Thread keyword, which is mandatory. */
- int chars = btp_skip_string(&local_input, "Thread");
- location->column += chars;
- if (0 == chars)
- {
- location->message = "\"Thread\" header expected";
- return NULL;
- }
-
- /* Skip spaces, at least one space is mandatory. */
- int spaces = btp_skip_char_sequence(&local_input, ' ');
- location->column += spaces;
- if (0 == spaces)
- {
- location->message = "Space expected after the \"Thread\" keyword.";
- return NULL;
- }
-
- /* Read thread number. */
- struct btp_thread *imthread = btp_thread_new();
- int digits = btp_parse_unsigned_integer(&local_input, &imthread->number);
- location->column += digits;
- if (0 == digits)
- {
- location->message = "Thread number expected.";
- btp_thread_free(imthread);
- return NULL;
- }
-
- /* Skip spaces after the thread number and before parentheses. */
- spaces = btp_skip_char_sequence(&local_input, ' ');
- location->column += spaces;
- if (0 == spaces)
- {
- location->message = "Space expected after the thread number.";
- btp_thread_free(imthread);
- return NULL;
- }
-
- /* Read the LWP section in parentheses, optional. */
- location->column += btp_thread_skip_lwp(&local_input);
-
- /* Read the Thread keyword in parentheses, optional. */
- chars = btp_skip_string(&local_input, "(Thread ");
- location->column += chars;
- if (0 != chars)
- {
- /* Read the thread identification number. It can be either in
- * decimal or hexadecimal form.
- * Examples:
- * "Thread 10 (Thread 2476):"
- * "Thread 8 (Thread 0xb07fdb70 (LWP 6357)):"
- */
- digits = btp_skip_hexadecimal_number(&local_input);
- if (0 == digits)
- digits = btp_skip_unsigned_integer(&local_input);
- location->column += digits;
- if (0 == digits)
- {
- location->message = "The thread identification number expected.";
- btp_thread_free(imthread);
- return NULL;
- }
-
- /* Handle the optional " (LWP [0-9]+)" section. */
- location->column += btp_skip_char_sequence(&local_input, ' ');
- location->column += btp_thread_skip_lwp(&local_input);
-
- /* Read the end of the parenthesis. */
- if (!btp_skip_char(&local_input, ')'))
- {
- location->message = "Closing parenthesis for Thread expected.";
- btp_thread_free(imthread);
- return NULL;
- }
- }
-
- /* Read the end of the header line. */
- chars = btp_skip_string(&local_input, ":\n");
- if (0 == chars)
- {
- location->message = "Expected a colon followed by a newline ':\\n'.";
- btp_thread_free(imthread);
- return NULL;
- }
- /* Add the newline from the last btp_skip_string. */
- btp_location_add(location, 2, 0);
-
- /* Read the frames. */
- struct btp_frame *frame, *prevframe = NULL;
- struct btp_location frame_location;
- btp_location_init(&frame_location);
- while ((frame = btp_frame_parse(&local_input, &frame_location)))
- {
- if (prevframe)
- {
- btp_frame_add_sibling(prevframe, frame);
- prevframe = frame;
- }
- else
- imthread->frames = prevframe = frame;
-
- btp_location_add(location,
- frame_location.line,
- frame_location.column);
- }
- if (!imthread->frames)
- {
- location->message = frame_location.message;
- btp_thread_free(imthread);
- return NULL;
- }
-
- *input = local_input;
- return imthread;
-}
-
-int
-btp_thread_skip_lwp(char **input)
-{
- char *local_input = *input;
- int count = btp_skip_string(&local_input, "(LWP ");
- if (0 == count)
- return 0;
- int digits = btp_skip_unsigned_integer(&local_input);
- if (0 == digits)
- return 0;
- count += digits;
- if (!btp_skip_char(&local_input, ')'))
- return 0;
- *input = local_input;
- return count + 1;
-}
generated by cgit (git 2.34.1) at 2024-04-25 02:27:14 +0000