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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/mman.h>
#include <string.h>
#include "coredump.h"
#include "minidump.h"
static int write_cb(const void *data, size_t length, void *userdata) {
fwrite(data, 1, length, userdata);
return 0;
}
int main(int argc, char *argv[]) {
int r;
int fd = -1;
unsigned long l;
char *p = NULL;
ElfW(Ehdr) header;
ElfW(Phdr) segment;
if (argc != 2) {
fprintf(stderr, "Expecting file name as sole argument.\n");
return EXIT_FAILURE;
}
errno = 0;
l = strtoul(argv[1], &p, 10);
if (errno == 0 && p && *p == 0 && l > 0)
r = minidump_make((pid_t) l, -1, write_cb, stdout);
else {
fd = open(argc >= 2 ? argv[1] : "core", O_RDONLY|O_CLOEXEC);
if (fd < 0) {
fprintf(stderr, "Failed to open core dump: %m\n");
r = -errno;
goto fail;
}
r = minidump_make(0, fd, write_cb, stdout);
}
if (r < 0) {
fprintf(stderr, "Failed to generate minidump: %s\n", strerror(-r));
goto fail;
}
/* r = coredump_read_header(fd, &header); */
/* if (r < 0) { */
/* fprintf(stderr, "Failed to read ELF header: %s\n", strerror(-r)); */
/* goto fail; */
/* } */
/* printf("segments = %lu\n", (unsigned long) header.e_phnum); */
/* for (i = 0; i < header.e_phnum; i++) { */
/* r = coredump_read_segment_header(fd, &header, i, &segment); */
/* if (r < 0) { */
/* fprintf(stderr, "Failed to read ELF segment: %s\n", strerror(-r)); */
/* goto fail; */
/* } */
/* printf("segment type = %lu\n", (unsigned long) segment.p_type); */
/* } */
fail:
if (fd >= 0)
close(fd);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
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