http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55142
--- Comment #15 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-01 22:30:16 UTC --- All binaries die before main: Starting program: /export/build/gnu/glibc-x32-long/build-x86_64-linux/libio/bug-fclose1 Program received signal SIGSEGV, Segmentation fault. 0xf7dddc8d in elf_get_dynamic_info (temp=0x0, l=0xf7ffdc18) at get-dynamic-info.h:61 61 + DT_VERSIONTAGNUM + DT_EXTRANUM + DT_VALNUM] = dyn; (gdb) disass $pc -19, +30 Dump of assembler code from 0xf7dddc7a to 0xf7dddc98: 0xf7dddc7a <dl_main+5210>: mov %r8d,%esi 0xf7dddc7d <dl_main+5213>: sub %eax,%esi 0xf7dddc7f <dl_main+5215>: cmp $0xa,%esi 0xf7dddc82 <dl_main+5218>: ja 0xf7ddd431 <dl_main+3089> 0xf7dddc88 <dl_main+5224>: neg %eax 0xf7dddc8a <dl_main+5226>: lea (%rcx,%rax,4),%eax => 0xf7dddc8d <dl_main+5229>: mov %edx,-0x40000300(%rax) 0xf7dddc93 <dl_main+5235>: jmpq 0xf7ddd431 <dl_main+3089> End of assembler dump. (gdb) p/x $rcx $1 = 0xf7ffdc38 (gdb) p/x $rax $2 = 0x37ffe064 (gdb) list 56 else if ((d_tag_utype) DT_VALTAGIDX (dyn->d_tag) < DT_VALNUM) 57 info[DT_VALTAGIDX (dyn->d_tag) + DT_NUM + DT_THISPROCNUM 58 + DT_VERSIONTAGNUM + DT_EXTRANUM] = dyn; 59 else if ((d_tag_utype) DT_ADDRTAGIDX (dyn->d_tag) < DT_ADDRNUM) 60 info[DT_ADDRTAGIDX (dyn->d_tag) + DT_NUM + DT_THISPROCNUM 61 + DT_VERSIONTAGNUM + DT_EXTRANUM + DT_VALNUM] = dyn; 62 ++dyn; 63 } 64 65 #define DL_RO_DYN_TEMP_CNT 8 (gdb) p info $3 = (Elf32_Dyn **) 0xf7ffdc38 (gdb) bt #0 0xf7dddc8d in elf_get_dynamic_info (temp=0x0, l=0xf7ffdc18) at get-dynamic-info.h:61 #1 dl_main (phdr=<optimized out>, phnum=9, user_entry=<optimized out>, auxv=<optimized out>) at rtld.c:1311 #2 0xf7df12c0 in _dl_sysdep_start ( start_argptr=start_argptr@entry=0xffffd100, dl_main=<optimized out>) at ../elf/dl-sysdep.c:241 #3 0xf7ddfaa8 in _dl_start_final (arg=0xffffd100) at rtld.c:331 #4 _dl_start (arg=<optimized out>) at rtld.c:557 #5 0xf7ddc057 in _start () from /export/build/gnu/glibc-x32-long/build-x86_64-linux/elf/ld.so #6 0x00000001 in ?? () #7 0x00000000 in ?? () (gdb)