]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - tools/perf/tests/code-reading.c
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[karo-tx-linux.git] / tools / perf / tests / code-reading.c
index 1f14e7612cbb1615e993c73758a3c9ac7024a0e1..94b7c7b02bdefbb33f2987677c11b3577ab062ec 100644 (file)
@@ -229,6 +229,8 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode,
        unsigned char buf2[BUFSZ];
        size_t ret_len;
        u64 objdump_addr;
+       const char *objdump_name;
+       char decomp_name[KMOD_DECOMP_LEN];
        int ret;
 
        pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr);
@@ -289,9 +291,25 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode,
                state->done[state->done_cnt++] = al.map->start;
        }
 
+       objdump_name = al.map->dso->long_name;
+       if (dso__needs_decompress(al.map->dso)) {
+               if (dso__decompress_kmodule_path(al.map->dso, objdump_name,
+                                                decomp_name,
+                                                sizeof(decomp_name)) < 0) {
+                       pr_debug("decompression failed\n");
+                       return -1;
+               }
+
+               objdump_name = decomp_name;
+       }
+
        /* Read the object code using objdump */
        objdump_addr = map__rip_2objdump(al.map, al.addr);
-       ret = read_via_objdump(al.map->dso->long_name, objdump_addr, buf2, len);
+       ret = read_via_objdump(objdump_name, objdump_addr, buf2, len);
+
+       if (dso__needs_decompress(al.map->dso))
+               unlink(objdump_name);
+
        if (ret > 0) {
                /*
                 * The kernel maps are inaccurate - assume objdump is right in