mirror of
https://github.com/ianlancetaylor/libbacktrace.git
synced 2026-03-29 21:49:06 +08:00
Update from gcc trunk version of libbacktrace at svn rev 256427. (#8)
Includes (among other things) support for compressed debug sections, a variety of bugfixes, and expanded test coverage.
This commit is contained in:
Than McIntosh
committed by
Ian Lance Taylor
Ian Lance Taylor
parent
14d377e9be
commit
17f687d2b9
281
btest.c
281
btest.c
@@ -1,5 +1,5 @@
|
||||
/* btest.c -- Test for libbacktrace library
|
||||
Copyright (C) 2012-2016 Free Software Foundation, Inc.
|
||||
Copyright (C) 2012-2018 Free Software Foundation, Inc.
|
||||
Written by Ian Lance Taylor, Google.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
@@ -38,246 +38,12 @@ POSSIBILITY OF SUCH DAMAGE. */
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "filenames.h"
|
||||
|
||||
#include "backtrace.h"
|
||||
#include "backtrace-supported.h"
|
||||
|
||||
/* Portable attribute syntax. Actually some of these tests probably
|
||||
won't work if the attributes are not recognized. */
|
||||
|
||||
#ifndef GCC_VERSION
|
||||
# define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
|
||||
#endif
|
||||
|
||||
#if (GCC_VERSION < 2007)
|
||||
# define __attribute__(x)
|
||||
#endif
|
||||
|
||||
#ifndef ATTRIBUTE_UNUSED
|
||||
# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
|
||||
#endif
|
||||
|
||||
#if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
|
||||
# define IS_DIR_SEPARATOR(c) ((c) == '/' || (c) == '\\')
|
||||
#else
|
||||
# define IS_DIR_SEPARATOR(c) ((c) == '/')
|
||||
#endif
|
||||
|
||||
/* Used to collect backtrace info. */
|
||||
|
||||
struct info
|
||||
{
|
||||
char *filename;
|
||||
int lineno;
|
||||
char *function;
|
||||
};
|
||||
|
||||
/* Passed to backtrace callback function. */
|
||||
|
||||
struct bdata
|
||||
{
|
||||
struct info *all;
|
||||
size_t index;
|
||||
size_t max;
|
||||
int failed;
|
||||
};
|
||||
|
||||
/* Passed to backtrace_simple callback function. */
|
||||
|
||||
struct sdata
|
||||
{
|
||||
uintptr_t *addrs;
|
||||
size_t index;
|
||||
size_t max;
|
||||
int failed;
|
||||
};
|
||||
|
||||
/* Passed to backtrace_syminfo callback function. */
|
||||
|
||||
struct symdata
|
||||
{
|
||||
const char *name;
|
||||
uintptr_t val, size;
|
||||
int failed;
|
||||
};
|
||||
|
||||
/* The backtrace state. */
|
||||
|
||||
static void *state;
|
||||
|
||||
/* The number of failures. */
|
||||
|
||||
static int failures;
|
||||
|
||||
/* Return the base name in a path. */
|
||||
|
||||
static const char *
|
||||
base (const char *p)
|
||||
{
|
||||
const char *last;
|
||||
const char *s;
|
||||
|
||||
last = NULL;
|
||||
for (s = p; *s != '\0'; ++s)
|
||||
{
|
||||
if (IS_DIR_SEPARATOR (*s))
|
||||
last = s + 1;
|
||||
}
|
||||
return last != NULL ? last : p;
|
||||
}
|
||||
|
||||
/* Check an entry in a struct info array. */
|
||||
|
||||
static void
|
||||
check (const char *name, int index, const struct info *all, int want_lineno,
|
||||
const char *want_function, int *failed)
|
||||
{
|
||||
if (*failed)
|
||||
return;
|
||||
if (all[index].filename == NULL || all[index].function == NULL)
|
||||
{
|
||||
fprintf (stderr, "%s: [%d]: missing file name or function name\n",
|
||||
name, index);
|
||||
*failed = 1;
|
||||
return;
|
||||
}
|
||||
if (strcmp (base (all[index].filename), "btest.c") != 0)
|
||||
{
|
||||
fprintf (stderr, "%s: [%d]: got %s expected test.c\n", name, index,
|
||||
all[index].filename);
|
||||
*failed = 1;
|
||||
}
|
||||
if (all[index].lineno != want_lineno)
|
||||
{
|
||||
fprintf (stderr, "%s: [%d]: got %d expected %d\n", name, index,
|
||||
all[index].lineno, want_lineno);
|
||||
*failed = 1;
|
||||
}
|
||||
if (strcmp (all[index].function, want_function) != 0)
|
||||
{
|
||||
fprintf (stderr, "%s: [%d]: got %s expected %s\n", name, index,
|
||||
all[index].function, want_function);
|
||||
*failed = 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* The backtrace callback function. */
|
||||
|
||||
static int
|
||||
callback_one (void *vdata, uintptr_t pc ATTRIBUTE_UNUSED,
|
||||
const char *filename, int lineno, const char *function)
|
||||
{
|
||||
struct bdata *data = (struct bdata *) vdata;
|
||||
struct info *p;
|
||||
|
||||
if (data->index >= data->max)
|
||||
{
|
||||
fprintf (stderr, "callback_one: callback called too many times\n");
|
||||
data->failed = 1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
p = &data->all[data->index];
|
||||
if (filename == NULL)
|
||||
p->filename = NULL;
|
||||
else
|
||||
{
|
||||
p->filename = strdup (filename);
|
||||
assert (p->filename != NULL);
|
||||
}
|
||||
p->lineno = lineno;
|
||||
if (function == NULL)
|
||||
p->function = NULL;
|
||||
else
|
||||
{
|
||||
p->function = strdup (function);
|
||||
assert (p->function != NULL);
|
||||
}
|
||||
++data->index;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* An error callback passed to backtrace. */
|
||||
|
||||
static void
|
||||
error_callback_one (void *vdata, const char *msg, int errnum)
|
||||
{
|
||||
struct bdata *data = (struct bdata *) vdata;
|
||||
|
||||
fprintf (stderr, "%s", msg);
|
||||
if (errnum > 0)
|
||||
fprintf (stderr, ": %s", strerror (errnum));
|
||||
fprintf (stderr, "\n");
|
||||
data->failed = 1;
|
||||
}
|
||||
|
||||
/* The backtrace_simple callback function. */
|
||||
|
||||
static int
|
||||
callback_two (void *vdata, uintptr_t pc)
|
||||
{
|
||||
struct sdata *data = (struct sdata *) vdata;
|
||||
|
||||
if (data->index >= data->max)
|
||||
{
|
||||
fprintf (stderr, "callback_two: callback called too many times\n");
|
||||
data->failed = 1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
data->addrs[data->index] = pc;
|
||||
++data->index;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* An error callback passed to backtrace_simple. */
|
||||
|
||||
static void
|
||||
error_callback_two (void *vdata, const char *msg, int errnum)
|
||||
{
|
||||
struct sdata *data = (struct sdata *) vdata;
|
||||
|
||||
fprintf (stderr, "%s", msg);
|
||||
if (errnum > 0)
|
||||
fprintf (stderr, ": %s", strerror (errnum));
|
||||
fprintf (stderr, "\n");
|
||||
data->failed = 1;
|
||||
}
|
||||
|
||||
/* The backtrace_syminfo callback function. */
|
||||
|
||||
static void
|
||||
callback_three (void *vdata, uintptr_t pc ATTRIBUTE_UNUSED,
|
||||
const char *symname, uintptr_t symval,
|
||||
uintptr_t symsize)
|
||||
{
|
||||
struct symdata *data = (struct symdata *) vdata;
|
||||
|
||||
if (symname == NULL)
|
||||
data->name = NULL;
|
||||
else
|
||||
{
|
||||
data->name = strdup (symname);
|
||||
assert (data->name != NULL);
|
||||
}
|
||||
data->val = symval;
|
||||
data->size = symsize;
|
||||
}
|
||||
|
||||
/* The backtrace_syminfo error callback function. */
|
||||
|
||||
static void
|
||||
error_callback_three (void *vdata, const char *msg, int errnum)
|
||||
{
|
||||
struct symdata *data = (struct symdata *) vdata;
|
||||
|
||||
fprintf (stderr, "%s", msg);
|
||||
if (errnum > 0)
|
||||
fprintf (stderr, ": %s", strerror (errnum));
|
||||
fprintf (stderr, "\n");
|
||||
data->failed = 1;
|
||||
}
|
||||
#include "testlib.h"
|
||||
|
||||
/* Test the backtrace function with non-inlined functions. */
|
||||
|
||||
@@ -329,9 +95,9 @@ f3 (int f1line, int f2line)
|
||||
data.failed = 1;
|
||||
}
|
||||
|
||||
check ("test1", 0, all, f3line, "f3", &data.failed);
|
||||
check ("test1", 1, all, f2line, "f2", &data.failed);
|
||||
check ("test1", 2, all, f1line, "test1", &data.failed);
|
||||
check ("test1", 0, all, f3line, "f3", "btest.c", &data.failed);
|
||||
check ("test1", 1, all, f2line, "f2", "btest.c", &data.failed);
|
||||
check ("test1", 2, all, f1line, "test1", "btest.c", &data.failed);
|
||||
|
||||
printf ("%s: backtrace_full noinline\n", data.failed ? "FAIL" : "PASS");
|
||||
|
||||
@@ -381,9 +147,9 @@ f13 (int f1line, int f2line)
|
||||
data.failed = 1;
|
||||
}
|
||||
|
||||
check ("test2", 0, all, f3line, "f13", &data.failed);
|
||||
check ("test2", 1, all, f2line, "f12", &data.failed);
|
||||
check ("test2", 2, all, f1line, "test2", &data.failed);
|
||||
check ("test2", 0, all, f3line, "f13", "btest.c", &data.failed);
|
||||
check ("test2", 1, all, f2line, "f12", "btest.c", &data.failed);
|
||||
check ("test2", 2, all, f1line, "test2", "btest.c", &data.failed);
|
||||
|
||||
printf ("%s: backtrace_full inline\n", data.failed ? "FAIL" : "PASS");
|
||||
|
||||
@@ -466,9 +232,9 @@ f23 (int f1line, int f2line)
|
||||
}
|
||||
}
|
||||
|
||||
check ("test3", 0, all, f3line, "f23", &bdata.failed);
|
||||
check ("test3", 1, all, f2line, "f22", &bdata.failed);
|
||||
check ("test3", 2, all, f1line, "test3", &bdata.failed);
|
||||
check ("test3", 0, all, f3line, "f23", "btest.c", &bdata.failed);
|
||||
check ("test3", 1, all, f2line, "f22", "btest.c", &bdata.failed);
|
||||
check ("test3", 2, all, f1line, "test3", "btest.c", &bdata.failed);
|
||||
|
||||
if (bdata.failed)
|
||||
data.failed = 1;
|
||||
@@ -604,9 +370,9 @@ f33 (int f1line, int f2line)
|
||||
bdata.failed = 1;
|
||||
}
|
||||
|
||||
check ("test4", 0, all, f3line, "f33", &bdata.failed);
|
||||
check ("test4", 1, all, f2line, "f32", &bdata.failed);
|
||||
check ("test4", 2, all, f1line, "test4", &bdata.failed);
|
||||
check ("test4", 0, all, f3line, "f33", "btest.c", &bdata.failed);
|
||||
check ("test4", 1, all, f2line, "f32", "btest.c", &bdata.failed);
|
||||
check ("test4", 2, all, f1line, "test4", "btest.c", &bdata.failed);
|
||||
|
||||
if (bdata.failed)
|
||||
data.failed = 1;
|
||||
@@ -620,7 +386,7 @@ f33 (int f1line, int f2line)
|
||||
return failures;
|
||||
}
|
||||
|
||||
#if BACKTRACE_SUPPORTS_DATA
|
||||
static int test5 (void) __attribute__ ((unused));
|
||||
|
||||
int global = 1;
|
||||
|
||||
@@ -690,19 +456,6 @@ test5 (void)
|
||||
return failures;
|
||||
}
|
||||
|
||||
#endif /* BACKTRACE_SUPPORTS_DATA */
|
||||
|
||||
static void
|
||||
error_callback_create (void *data ATTRIBUTE_UNUSED, const char *msg,
|
||||
int errnum)
|
||||
{
|
||||
fprintf (stderr, "%s", msg);
|
||||
if (errnum > 0)
|
||||
fprintf (stderr, ": %s", strerror (errnum));
|
||||
fprintf (stderr, "\n");
|
||||
exit (EXIT_FAILURE);
|
||||
}
|
||||
|
||||
/* Run all the tests. */
|
||||
|
||||
int
|
||||
|
||||
Reference in New Issue
Block a user