diff options
Diffstat (limited to 'elf/dl-reloc.c')
| -rw-r--r-- | elf/dl-reloc.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c index 280623153a..b389c42b1e 100644 --- a/elf/dl-reloc.c +++ b/elf/dl-reloc.c @@ -94,13 +94,21 @@ cannot make segment writable for relocation")); if (__builtin_expect (_dl_profile != NULL, 0)) { /* Allocate the array which will contain the already found - relocations. */ + relocations. If the shared object lacks a PLT (for example + if it inly contains lead function) the l_info[DT_PLTRELSZ] + will be NULL. */ + if (l->l_info[DT_PLTRELSZ] == NULL) + _dl_sysdep_fatal (_dl_argv[0] ?: "<program name unknown>", + ": profiler found no PLTREL in object ", + l->l_name, "\n", NULL); + l->l_reloc_result = (ElfW(Addr) *) calloc (sizeof (ElfW(Addr)), l->l_info[DT_PLTRELSZ]->d_un.d_val); if (l->l_reloc_result == NULL) _dl_sysdep_fatal (_dl_argv[0] ?: "<program name unknown>", - "cannot allocate memory for profiling", NULL); + ": profiler outof memory shadowing PLTREL of ", + l->l_name, "\n", NULL); } } |