diff options
Diffstat (limited to 'src/c_example.S')
| -rw-r--r-- | src/c_example.S | 60 |
1 files changed, 50 insertions, 10 deletions
diff --git a/src/c_example.S b/src/c_example.S index cbd1b0a..81538c7 100644 --- a/src/c_example.S +++ b/src/c_example.S @@ -39,7 +39,7 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * asm-cgi-example: src/c_example.S - * Mon May 2 21:59:53 CEST 2022 + * Wed May 4 22:06:59 CEST 2022 * Joe */ @@ -47,21 +47,61 @@ .globl main main: + # xorq %rdi, %rdi + # xorq %rsi, %rsi + # xorq %rdx, %rdx + # xorq %rax, %rax + # movb $0x1, %dil + # movq $str_begin, %rsi + # movq $len_begin, %rdx + # movb $0x4, %al /* SYS_write */ + # syscall + + # xorq %rdi, %rdi + # xorq %rsi, %rsi + # xorq %rax, %rax + # movq $sysctl, %rdi + # movq $0x0, %rsi + # movq $0x3b, %rax /* SYS_execve */ + # syscall + + # xorq %rdi, %rdi + # xorq %rsi, %rsi + # xorq %rax, %rax + # movb $0x1, %dil + # movq $str_end, %rsi + # movq $len_end, %rdx + # movb $0x4, %al /* SYS_write */ + # syscall + + xorq %rdx, %rdx + movq $buff, %rdx + pushq %rcx + movq %rcx, %rcx + movb $0x8, %cl + movq $sysctl, (%rdx, %rcx, 1) + movq $model, (%rdx, %rcx, 2) + movq $0x0, (%rdx, %rcx, 4) xorq %rdi, %rdi xorq %rsi, %rsi - xorq %rdx, %rdx xorq %rax, %rax movb $0x1, %dil - movq $len, %rdx - movq $hey, %rsi - movb $0x4, %al + movq (%rdx, %rcx, 1), %rsi + movq $0x6, %rdx + movb $0x4, %al /* SYS_write */ syscall + popq %rcx xorq %rax, %rax - xorq %rdi, %rdi - movb $0x1, %al - syscall + retq .data - hey: .ascii "Content-type: text/html\n\n<html><head><title>Title</title></head><body><h1>hey</h1></body></html>\n" - len = . - hey + str_begin: .ascii "Content-type: text/html\n\n<html>\n\t<head>\n\t\t<title>Title</title>\n\t</head>\n\t<body>\n\t\t<h1>hey</h1>\n\t\t<p>\n\t\t\tSome CPU infos:\n\t\t</p>\n\t\t<pre>\n\t\t\tsysctl hw.model\n\t\t\tsysctl hw.ncpu\n\t\t\tlscpu\n\t\t</pre>\n\t\t<p>\n\t\t\tGives us:\n\t\t</p>\n\t\t<pre>\n\t\t\t" + len_begin = . - str_begin + str_end: .ascii "\t\t</pre>\n\t</body>\n</html>" + len_end = . - str_end + sysctl: .asciz "/sbin/sysctl" + lscpu: .asciz "/usr/local/bin/lscpu" + model: .asciz "hw.model" + ncpu: .asciz "hw.ncpu" + buff: .byte 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 |