X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust-dl%2Flttng-ust-dl.c;h=e38eaf1e7d8f5cda4011d887940519111f61163f;hb=HEAD;hp=e4cb42068ed1548ab10eaa4a1b850b2a19d45eb8;hpb=c5c4fd823cdd7b086ee747c93030c9e7439ab8a5;p=lttng-ust.git

diff --git a/liblttng-ust-dl/lttng-ust-dl.c b/liblttng-ust-dl/lttng-ust-dl.c
deleted file mode 100644
index e4cb4206..00000000
--- a/liblttng-ust-dl/lttng-ust-dl.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright (C) 2013  Paul Woegerer <paul.woegerer@mentor.com>
- * Copyright (C) 2015  Antoine Busque <abusque@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; version 2.1 of
- * the License.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
- */
-
-#define _LGPL_SOURCE
-#define _GNU_SOURCE
-
-#include <limits.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <lttng/ust-dlfcn.h>
-#include <lttng/ust-elf.h>
-#include "usterr-signal-safe.h"
-
-/* Include link.h last else it conflicts with ust-dlfcn. */
-#include <link.h>
-
-#define TRACEPOINT_DEFINE
-#include "ust_dl.h"
-
-static void *(*__lttng_ust_plibc_dlopen)(const char *filename, int flag);
-static int (*__lttng_ust_plibc_dlclose)(void *handle);
-
-static
-void *_lttng_ust_dl_libc_dlopen(const char *filename, int flag)
-{
-	if (!__lttng_ust_plibc_dlopen) {
-		__lttng_ust_plibc_dlopen = dlsym(RTLD_NEXT, "dlopen");
-		if (!__lttng_ust_plibc_dlopen) {
-			fprintf(stderr, "%s\n", dlerror());
-			return NULL;
-		}
-	}
-	return __lttng_ust_plibc_dlopen(filename, flag);
-}
-
-static
-int _lttng_ust_dl_libc_dlclose(void *handle)
-{
-	if (!__lttng_ust_plibc_dlclose) {
-		__lttng_ust_plibc_dlclose = dlsym(RTLD_NEXT, "dlclose");
-		if (!__lttng_ust_plibc_dlclose) {
-			fprintf(stderr, "%s\n", dlerror());
-			return -1;
-		}
-	}
-	return __lttng_ust_plibc_dlclose(handle);
-}
-
-static
-void lttng_ust_dl_dlopen(void *so_base, const char *so_name, void *ip)
-{
-	char resolved_path[PATH_MAX];
-	struct lttng_ust_elf *elf;
-	uint64_t memsz;
-	uint8_t *build_id = NULL;
-	size_t build_id_len;
-	char *dbg_file = NULL;
-	uint32_t crc;
-	int has_build_id = 0, has_debug_link = 0;
-	int ret;
-
-	if (!realpath(so_name, resolved_path)) {
-		ERR("could not resolve path '%s'", so_name);
-		return;
-	}
-
-	elf = lttng_ust_elf_create(resolved_path);
-	if (!elf) {
-		ERR("could not acces file %s", resolved_path);
-		return;
-	}
-
-	ret = lttng_ust_elf_get_memsz(elf, &memsz);
-	if (ret) {
-		goto end;
-	}
-	ret = lttng_ust_elf_get_build_id(
-		elf, &build_id, &build_id_len, &has_build_id);
-	if (ret) {
-		goto end;
-	}
-	ret = lttng_ust_elf_get_debug_link(
-		elf, &dbg_file, &crc, &has_debug_link);
-	if (ret) {
-		goto end;
-	}
-
-	tracepoint(lttng_ust_dl, dlopen,
-		ip, so_base, resolved_path, memsz,
-		has_build_id, has_debug_link);
-
-	if (has_build_id) {
-		tracepoint(lttng_ust_dl, build_id,
-			ip, so_base, build_id, build_id_len);
-	}
-
-	if (has_debug_link) {
-		tracepoint(lttng_ust_dl, debug_link,
-			ip, so_base, dbg_file, crc);
-	}
-
-end:
-	free(dbg_file);
-	free(build_id);
-	lttng_ust_elf_destroy(elf);
-	return;
-}
-
-void *dlopen(const char *filename, int flag)
-{
-	void *handle;
-
-	handle = _lttng_ust_dl_libc_dlopen(filename, flag);
-	if (__tracepoint_ptrs_registered && handle) {
-		struct link_map *p = NULL;
-		int ret;
-
-		ret = dlinfo(handle, RTLD_DI_LINKMAP, &p);
-		if (ret != -1 && p != NULL && p->l_addr != 0) {
-			lttng_ust_dl_dlopen((void *) p->l_addr, p->l_name,
-				__builtin_return_address(0));
-		}
-	}
-
-	return handle;
-}
-
-int dlclose(void *handle)
-{
-	if (__tracepoint_ptrs_registered) {
-		struct link_map *p = NULL;
-		int ret;
-
-		ret = dlinfo(handle, RTLD_DI_LINKMAP, &p);
-		if (ret != -1 && p != NULL && p->l_addr != 0) {
-			tracepoint(lttng_ust_dl, dlclose,
-				__builtin_return_address(0),
-				(void *) p->l_addr);
-		}
-	}
-
-	return _lttng_ust_dl_libc_dlclose(handle);
-}