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http://bugs.exim.org/show_bug.cgi?id=1430
--- Comment #12 from Tony Reix <tony.reix@???> 2014-01-15 15:44:10 ---
(gdb) si
0x000000001007f5f4 7260 return
convert_executable_func.call_executable_func(arguments);
1: x/i $pc
=> 0x1007f5f4 <jit_machine_stack_exec+200>: mtctr r12
(gdb) si
0x000000001007f5f8 7260 return
convert_executable_func.call_executable_func(arguments);
1: x/i $pc
=> 0x1007f5f8 <jit_machine_stack_exec+204>: bctrl
(gdb) si
0x00003fffb7dfe290 in ?? ()
1: x/i $pc
=> 0x3fffb7dfe290: sthu r30,-8176(r31)
(gdb) disassemble $pc,$pc+80
Dump of assembler code from 0x3fffb7dfe290 to 0x3fffb7dfe2e0:
=> 0x00003fffb7dfe290: sthu r30,-8176(r31)
0x00003fffb7dfe294: .long 0x3fff
0x00003fffb7dfe298: mflr r0
0x00003fffb7dfe29c: std r0,16(r1)
0x00003fffb7dfe2a0: std r31,-8(r1)
0x00003fffb7dfe2a4: stdu r1,-144(r1)
0x00003fffb7dfe2a8: .long 0x0
0x00003fffb7dfe2ac: .long 0x0
0x00003fffb7dfe2b0: .long 0x0
0x00003fffb7dfe2b4: .long 0x0
0x00003fffb7dfe2b8: .long 0x0
0x00003fffb7dfe2bc: .long 0x0
0x00003fffb7dfe2c0: .long 0x0
0x00003fffb7dfe2c4: .long 0x0
0x00003fffb7dfe2c8: .long 0x0
0x00003fffb7dfe2cc: .long 0x0
0x00003fffb7dfe2d0: .long 0x0
0x00003fffb7dfe2d4: .long 0x0
0x00003fffb7dfe2d8: .long 0x0
0x00003fffb7dfe2dc: .long 0x0
End of assembler dump.
(gdb) x/80 $pc
0x3fffb7dfe290: -1210064880 16383 2080899750 -134152176
0x3fffb7dfe2a0: -69074952 -131989647 0 0
0x3fffb7dfe2b0: 0 0 0 0
.....
(gdb) x/20 0x3fffb7dfe290
0x3fffb7dfe290: 0xb7dfe010 0x00003fff 0x7c0802a6 0xf8010010
0x3fffb7dfe2a0: 0xfbe1fff8 0xf821ff71 0x00000000 0x00000000
0x3fffb7dfe2b0: 0x00000000 0x00000000 0x00000000 0x00000000
(gdb) disassemble jit_machine_stack_exec
Dump of assembler code for function jit_machine_stack_exec:
0x000000001007f52c <+0>: lis r2,4114
0x000000001007f530 <+4>: addi r2,r2,20312
0x000000001007f534 <+8>: mflr r0
0x000000001007f538 <+12>: std r0,16(r1)
0x000000001007f53c <+16>: std r31,-8(r1)
0x000000001007f540 <+20>: lis r0,-1
0x000000001007f544 <+24>: ori r0,r0,32656
0x000000001007f548 <+28>: stdux r1,r1,r0
0x000000001007f54c <+32>: mr r31,r1
0x000000001007f550 <+36>: addi r9,r31,-32672
0x000000001007f554 <+40>: std r3,32712(r9)
0x000000001007f558 <+44>: addi r9,r31,-32672
0x000000001007f55c <+48>: std r4,32704(r9)
0x000000001007f560 <+52>: addis r9,r31,1
0x000000001007f564 <+56>: ld r10,-28688(r13)
0x000000001007f568 <+60>: std r10,-32680(r9)
0x000000001007f56c <+64>: li r10,0
0x000000001007f570 <+68>: addi r9,r31,-32672
0x000000001007f574 <+72>: addi r10,r9,32760
0x000000001007f578 <+76>: addi r9,r31,-32672
0x000000001007f57c <+80>: std r10,32728(r9)
0x000000001007f580 <+84>: addi r9,r31,-32672
0x000000001007f584 <+88>: ld r10,32728(r9)
0x000000001007f588 <+92>: addi r9,r31,-32672
0x000000001007f58c <+96>: std r10,32736(r9)
0x000000001007f590 <+100>: addi r9,r31,-32672
0x000000001007f594 <+104>: ld r9,32736(r9)
0x000000001007f598 <+108>: addis r9,r9,1
0x000000001007f59c <+112>: addi r10,r9,-32768
0x000000001007f5a0 <+116>: addi r9,r31,-32672
0x000000001007f5a4 <+120>: std r10,32744(r9)
0x000000001007f5a8 <+124>: addi r9,r31,-32672
0x000000001007f5ac <+128>: ld r10,32744(r9)
0x000000001007f5b0 <+132>: addi r9,r31,-32672
0x000000001007f5b4 <+136>: std r10,32752(r9)
0x000000001007f5b8 <+140>: addi r9,r31,-32672
0x000000001007f5bc <+144>: ld r9,32712(r9)
0x000000001007f5c0 <+148>: addi r10,r31,-32672
0x000000001007f5c4 <+152>: addi r10,r10,32728
0x000000001007f5c8 <+156>: std r10,0(r9)
0x000000001007f5cc <+160>: addi r9,r31,-32672
0x000000001007f5d0 <+164>: ld r10,32704(r9)
0x000000001007f5d4 <+168>: addi r9,r31,-32672
0x000000001007f5d8 <+172>: std r10,32720(r9)
0x000000001007f5dc <+176>: addi r9,r31,-32672
0x000000001007f5e0 <+180>: ld r9,32720(r9)
0x000000001007f5e4 <+184>: addi r10,r31,-32672
0x000000001007f5e8 <+188>: ld r3,32712(r10)
0x000000001007f5ec <+192>: std r2,24(r1)
0x000000001007f5f0 <+196>: mr r12,r9
0x000000001007f5f4 <+200>: mtctr r12
0x000000001007f5f8 <+204>: bctrl
0x000000001007f5fc <+208>: ld r2,24(r1)
0x000000001007f600 <+212>: mr r9,r3
0x000000001007f604 <+216>: mr r3,r9
0x000000001007f608 <+220>: addis r9,r31,1
0x000000001007f60c <+224>: ld r10,-32680(r9)
0x000000001007f610 <+228>: ld r9,-28688(r13)
0x000000001007f614 <+232>: cmpld cr7,r10,r9
0x000000001007f618 <+236>: li r10,0
0x000000001007f61c <+240>: li r9,0
0x000000001007f620 <+244>: beq cr7,0x1007f62c
<jit_machine_stack_exec+256>
0x000000001007f624 <+248>: bl 0x10000f40
<00000017.plt_call.__stack_chk_fail@@GLIBC_2.18>
0x000000001007f628 <+252>: ld r2,24(r1)
0x000000001007f62c <+256>: ld r1,0(r1)
0x000000001007f630 <+260>: ld r0,16(r1)
0x000000001007f634 <+264>: mtlr r0
0x000000001007f638 <+268>: ld r31,-8(r1)
0x000000001007f63c <+272>: blr
0x000000001007f640 <+276>: .long 0x0
0x000000001007f644 <+280>: .long 0x1000000
0x000000001007f648 <+284>: .long 0x1000180
$ ./pcre_jit_test
Running JIT regression tests
target CPU of SLJIT compiler: PowerPC 64bit (big endian + unaligned)
in 8 bit mode with utf8 enabled and ucp enabled:
in 16 bit mode with utf16 enabled and ucp enabled:
It seems to say "big endian" !
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