Hi, I couldn't execute assembly example under freebsd . The environment and tools I used were (in IBM X31 box): 1. bash-2.05b# uname -a FreeBSD sexbear.localhost 5.3-STABLE FreeBSD 5.3-STABLE #3: Sun Feb 20 21:55:06 UTC 2005 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/SEXBEAR??i386 2. bash-2.05b# as -v GNU assembler version 2.15 [FreeBSD] 2004-05-23 (i386-obrien-freebsd) using BFD version 2.15 [FreeBSD] 2004-05-23
bash-2.05b# ld -v GNU ld version 2.15 [FreeBSD] 2004-05-23 3.(compile and execute the example) bash-2.05b# as -gstabs -o cpuid.o cpuid.s ld -o cpuid cpuid.o cpuid (no output after executing the program) gdb cpuid (gdb) run Starting program: /usr/local/src/code/chap04/cpuid Program exited with code 0340. (gdb) break *_start (gdb) run Program exited with code 0340. ###################example in book################################### #cpuid.s Sample program to extract the processor Vendor ID .section .data output: .ascii "The processor Vendor ID is 'xxxxxxxxxxxx'\n" .section .text .globl _start _start: movl $0, %eax cpuid movl $output, %edi movl %ebx, 28(%edi) movl %edx, 32(%edi) movl %ecx, 36(%edi) movl $4, %eax movl $1, %ebx movl $output, %ecx movl $42, %edx int $0x80 movl $1, %eax movl $0, %ebx int $0x80 ###################example in book################################### I viewed the tutorial: http://www.int80h.org/bsdasm/. but I couldn't find any syntax error in the program. Could someone give me a hint where I could find the more information? Thanks~ Regards, _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
