https://sourceware.org/bugzilla/show_bug.cgi?id=21132
--- Comment #6 from John David Anglin <danglin at gcc dot gnu.org> ---
Looking further, I have concluded $global$ and %r19 are set correctly. The
relocations for
.Lpmain:
.word P%main
.Lp__libc_start_main:
.word P%__libc_start_main
.Lp__libc_csu_fini:
.word P%__libc_csu_fini
.Lp__libc_csu_init:
.word P%__libc_csu_init
are not correct. The relocation for
.Lp__global:
.word $global$
is okay.
(gdb) r
Starting program: /home/dave/ffmpeg/main
Program received signal SIGSEGV, Segmentation fault.
0x41000548 in _start ()
(gdb) p/x $r19
$1 = 0x41001194
(gdb) x/16x 0x41001194
0x41001194: 0x00001040 0x00000000 0x00000000 0x00000000
0x410011a4: 0x00000000 0x41001028 0x4100102c 0x4100100c
0x410011b4: 0x41001014 0x41001128 0x410011f4 0x410011f8
0x410011c4: 0x41001030 0x41001034 0x41001038 0x4100103c
(gdb) info address .Lpmain
Symbol ".Lpmain" is at 0x41001018 in a file compiled without debugging.
(gdb) x/x 0x41001028
0x41001028: 0x41001194
(gdb) info address $global$
Symbol "$global$" is at 0x41001194 in a file compiled without debugging.
(gdb) x/x 0x41001028
0x41001028: 0x41001194
(gdb) disass $pc-16,$pc+16
Dump of assembler code from 0x41000538 to 0x41000558:
0x41000538 <_start+16>: stw r19,-20(sp)
0x4100053c <_start+20>: stw r23,-38(sp)
0x41000540 <_start+24>: addil L%0,r19,r1
0x41000544 <_start+28>: ldw 8(r1),r26
=> 0x41000548 <_start+32>: ldw 0(r26),r26
0x4100054c <_start+36>: addil L%0,r19,r1
0x41000550 <_start+40>: ldw c(r1),r23
0x41000554 <_start+44>: ldw 0(r23),r23
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