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@@ -793,3 +793,134 @@ int _dl_fixup(struct dyn_elf *rpnt, int flag)
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return goof;
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}
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+
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+void _dl_dprintf(int fd, const char *fmt, ...)
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+{
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+ int num;
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+ va_list args;
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+ char *start, *ptr, *string;
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+ static char *buf;
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+
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+ buf = _dl_mmap((void *) 0, PAGE_SIZE, PROT_READ | PROT_WRITE,
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+ MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
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+ if (_dl_mmap_check_error(buf)) {
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+ _dl_write(fd, "mmap of a spare page failed!\n", 29);
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+ _dl_exit(20);
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+ }
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+
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+ start = ptr = buf;
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+
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+ if (!fmt)
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+ return;
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+
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+ if (_dl_strlen(fmt) >= (PAGE_SIZE - 1)) {
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+ _dl_write(fd, "overflow\n", 11);
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+ _dl_exit(20);
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+ }
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+
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+ _dl_strcpy(buf, fmt);
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+ va_start(args, fmt);
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+
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+ while (start) {
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+ while (*ptr != '%' && *ptr) {
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+ ptr++;
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+ }
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+
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+ if (*ptr == '%') {
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+ *ptr++ = '\0';
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+ _dl_write(fd, start, _dl_strlen(start));
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+
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+ switch (*ptr++) {
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+ case 's':
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+ string = va_arg(args, char *);
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+
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+ if (!string)
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+ _dl_write(fd, "(null)", 6);
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+ else
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+ _dl_write(fd, string, _dl_strlen(string));
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+ break;
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+
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+ case 'i':
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+ case 'd':
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+ {
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+ char tmp[22];
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+ num = va_arg(args, int);
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+
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+ string = _dl_simple_ltoa(tmp, num);
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+ _dl_write(fd, string, _dl_strlen(string));
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+ break;
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+ }
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+ case 'x':
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+ case 'X':
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+ {
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+ char tmp[22];
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+ num = va_arg(args, int);
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+
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+ string = _dl_simple_ltoahex(tmp, num);
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+ _dl_write(fd, string, _dl_strlen(string));
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+ break;
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+ }
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+ default:
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+ _dl_write(fd, "(null)", 6);
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+ break;
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+ }
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+
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+ start = ptr;
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+ } else {
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+ _dl_write(fd, start, _dl_strlen(start));
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+ start = NULL;
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+ }
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+ }
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+ _dl_munmap(buf, PAGE_SIZE);
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+ return;
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+}
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+
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+char *_dl_strdup(const char *string)
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+{
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+ char *retval;
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+ int len;
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+
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+ len = _dl_strlen(string);
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+ retval = _dl_malloc(len + 1);
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+ _dl_strcpy(retval, string);
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+ return retval;
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+}
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+
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+void *(*_dl_malloc_function) (size_t size) = NULL;
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+void *_dl_malloc(int size)
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+{
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+ void *retval;
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+
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+#if 0
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+#ifdef __SUPPORT_LD_DEBUG_EARLY__
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+ _dl_dprintf(2, "malloc: request for %d bytes\n", size);
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+#endif
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+#endif
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+
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+ if (_dl_malloc_function)
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+ return (*_dl_malloc_function) (size);
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+
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+ if (_dl_malloc_addr - _dl_mmap_zero + size > PAGE_SIZE) {
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+#ifdef __SUPPORT_LD_DEBUG_EARLY__
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+ _dl_dprintf(2, "malloc: mmapping more memory\n");
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+#endif
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+ _dl_mmap_zero = _dl_malloc_addr = _dl_mmap((void *) 0, size,
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+ PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
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+ if (_dl_mmap_check_error(_dl_mmap_zero)) {
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+ _dl_dprintf(2, "%s: mmap of a spare page failed!\n", _dl_progname);
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+ _dl_exit(20);
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+ }
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+ }
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+ retval = _dl_malloc_addr;
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+ _dl_malloc_addr += size;
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+
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+
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+ * Align memory to 4 byte boundary. Some platforms require this, others
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+ * simply get better performance.
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+ */
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+ _dl_malloc_addr = (unsigned char *) (((unsigned long) _dl_malloc_addr + 3) & ~(3));
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+ return retval;
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+}
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+
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+
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+
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Eric Andersen