FreeBSD 5.4-STABLE #12: Mon May 2 19:23:22 CEST 2005 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/HAMMER
hammer:~/src/hak/fpu>gdb ./fpu5th GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "amd64-marcel-freebsd"... (gdb) break floor Function "floor" not defined. Make breakpoint pending on future shared library load? (y or [n]) y Breakpoint 1 (floor) pending. (gdb) r Starting program: /vwww.mnt/sources/srcimport/marcolz/hak/fpu/fpu5th Breakpoint 2 at 0x80063fdf0 Pending breakpoint "floor" resolved load: 0.08 cmd: fpu5th 917 [running] 1.69u 0.01s 4% 1192k Program received signal SIGINFO, Information request. [Switching to Thread 1 (LWP 100167)] 0x000000080076558c in pthread_testcancel () from /usr/lib/libpthread.so.1 (gdb) disass floorl No symbol "floorl" in current context. (gdb) disass floorf Dump of assembler code for function floorf: 0x000000080063fd40 <floorf+0>: movss %xmm0,0xfffffffffffffffc(%rsp) 0x000000080063fd46 <floorf+6>: mov 0xfffffffffffffffc(%rsp),%edx 0x000000080063fd4a <floorf+10>: mov %edx,%eax 0x000000080063fd4c <floorf+12>: sar $0x17,%eax 0x000000080063fd4f <floorf+15>: and $0xff,%eax 0x000000080063fd54 <floorf+20>: lea 0xffffffffffffff81(%rax),%ecx 0x000000080063fd57 <floorf+23>: cmp $0x16,%ecx 0x000000080063fd5a <floorf+26>: jg 0x80063fda1 <floorf+97> 0x000000080063fd5c <floorf+28>: test %ecx,%ecx 0x000000080063fd5e <floorf+30>: js 0x80063fdb1 <floorf+113> 0x000000080063fd60 <floorf+32>: mov $0x7fffff,%esi 0x000000080063fd65 <floorf+37>: movaps %xmm0,%xmm1 0x000000080063fd68 <floorf+40>: sar %cl,%esi 0x000000080063fd6a <floorf+42>: test %edx,%esi 0x000000080063fd6c <floorf+44>: je 0x80063fd9d <floorf+93> 0x000000080063fd6e <floorf+46>: addss 3226(%rip),%xmm0 # 0x800640a10 <_fini+152> 0x000000080063fd76 <floorf+54>: ucomiss 3223(%rip),%xmm0 # 0x800640a14 <_fini+156> 0x000000080063fd7d <floorf+61>: jbe 0x80063fd90 <floorf+80> 0x000000080063fd7f <floorf+63>: test %edx,%edx 0x000000080063fd81 <floorf+65>: js 0x80063fdd9 <floorf+153> ---Type <return> to continue, or q <return> to quit--- 0x000000080063fd83 <floorf+67>: mov %esi,%eax 0x000000080063fd85 <floorf+69>: not %eax 0x000000080063fd87 <floorf+71>: and %eax,%edx 0x000000080063fd89 <floorf+73>: data16 0x000000080063fd8a <floorf+74>: data16 0x000000080063fd8b <floorf+75>: data16 0x000000080063fd8c <floorf+76>: nop 0x000000080063fd8d <floorf+77>: data16 0x000000080063fd8e <floorf+78>: data16 0x000000080063fd8f <floorf+79>: nop 0x000000080063fd90 <floorf+80>: mov %edx,0xfffffffffffffffc(%rsp) 0x000000080063fd94 <floorf+84>: movss 0xfffffffffffffffc(%rsp),%xmm0 0x000000080063fd9a <floorf+90>: movaps %xmm0,%xmm1 0x000000080063fd9d <floorf+93>: movaps %xmm1,%xmm0 0x000000080063fda0 <floorf+96>: retq 0x000000080063fda1 <floorf+97>: add $0xffffffffffffff80,%ecx 0x000000080063fda4 <floorf+100>: movaps %xmm0,%xmm1 0x000000080063fda7 <floorf+103>: jne 0x80063fd9d <floorf+93> 0x000000080063fda9 <floorf+105>: addss %xmm0,%xmm1 0x000000080063fdad <floorf+109>: movaps %xmm1,%xmm0 0x000000080063fdb0 <floorf+112>: retq 0x000000080063fdb1 <floorf+113>: addss 3159(%rip),%xmm0 # 0x800640a10 <_fini+152> ---Type <return> to continue, or q <return> to quit--- 0x000000080063fdb9 <floorf+121>: ucomiss 3156(%rip),%xmm0 # 0x800640a14 <_fini+156> 0x000000080063fdc0 <floorf+128>: jbe 0x80063fd90 <floorf+80> 0x000000080063fdc2 <floorf+130>: test %edx,%edx 0x000000080063fdc4 <floorf+132>: js 0x80063fdca <floorf+138> 0x000000080063fdc6 <floorf+134>: xor %edx,%edx 0x000000080063fdc8 <floorf+136>: jmp 0x80063fd90 <floorf+80> 0x000000080063fdca <floorf+138>: test $0x7fffffff,%edx 0x000000080063fdd0 <floorf+144>: je 0x80063fd90 <floorf+80> 0x000000080063fdd2 <floorf+146>: mov $0xbf800000,%edx 0x000000080063fdd7 <floorf+151>: jmp 0x80063fd90 <floorf+80> 0x000000080063fdd9 <floorf+153>: mov $0x800000,%eax 0x000000080063fdde <floorf+158>: sar %cl,%eax 0x000000080063fde0 <floorf+160>: add %eax,%edx 0x000000080063fde2 <floorf+162>: jmp 0x80063fd83 <floorf+67> 0x000000080063fde4 <floorf+164>: nop 0x000000080063fde5 <floorf+165>: nop 0x000000080063fde6 <floorf+166>: nop 0x000000080063fde7 <floorf+167>: nop 0x000000080063fde8 <floorf+168>: nop 0x000000080063fde9 <floorf+169>: nop 0x000000080063fdea <floorf+170>: nop 0x000000080063fdeb <floorf+171>: nop ---Type <return> to continue, or q <return> to quit--- 0x000000080063fdec <floorf+172>: nop 0x000000080063fded <floorf+173>: nop 0x000000080063fdee <floorf+174>: nop 0x000000080063fdef <floorf+175>: nop End of assembler dump. (gdb) q The program is running. Exit anyway? (y or n) y *reboot, no dump* :-(( I tried debugging the program I just mailed to threads@ Marc
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