Attachment 306941 Details for Bug 448743 – disassembled machine code with annotations

disassembled machine code with annotations

packet.asm (text/plain), 5.83 KB, created by John Dennis on 2008-05-28 15:22:38 UTC

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Creator: John Dennis

Created: 2008-05-28 15:22:38 UTC

Size: 5.83 KB

patch

obsolete

>% gdb packet.o
>(gdb) file packet.o
>Reading symbols from /home/jdennis/src/fedora/freeradius/F-9/packet.o...done.
>(gdb) disassemble fr_socket
>Dump of assembler code for function fr_socket:
>0x00000fb0 <fr_socket+0>:	push   %ebp
>0x00000fb1 <fr_socket+1>:	mov    %esp,%ebp
>0x00000fb3 <fr_socket+3>:	sub    $0xb8,%esp
>0x00000fb9 <fr_socket+9>:	mov    %ebx,-0xc(%ebp)
>0x00000fbc <fr_socket+12>:	mov    %gs:0x14,%eax
>0x00000fc2 <fr_socket+18>:	mov    %eax,-0x10(%ebp)
>0x00000fc5 <fr_socket+21>:	xor    %eax,%eax
>0x00000fc7 <fr_socket+23>:	call   0xfc8 <fr_socket+24>
>0x00000fcc <fr_socket+28>:	add    $0x2,%ebx
>0x00000fd2 <fr_socket+34>:	cmpl   $0xffff,0xc(%ebp)
>0x00000fd9 <fr_socket+41>:	mov    %esi,-0x8(%ebp)
>0x00000fdc <fr_socket+44>:	mov    0x8(%ebp),%esi
>0x00000fdf <fr_socket+47>:	mov    %edi,-0x4(%ebp)
>0x00000fe2 <fr_socket+50>:	ja     0x1138 <fr_socket+392>
>0x00000fe8 <fr_socket+56>:	movl   $0x0,0x8(%esp)
>0x00000ff0 <fr_socket+64>:	movl   $0x2,0x4(%esp)
>0x00000ff8 <fr_socket+72>:	mov    (%esi),%eax
>0x00000ffa <fr_socket+74>:	mov    %eax,(%esp)
>0x00000ffd <fr_socket+77>:	call   0xffe <fr_socket+78>
>0x00001002 <fr_socket+82>:	test   %eax,%eax
>0x00001004 <fr_socket+84>:	mov    %eax,-0xa4(%ebp)				# sockfd
>0x0000100a <fr_socket+90>:	js     0x102d <fr_socket+125>			187: if (sockfd) < 0) {
>0x0000100c <fr_socket+92>:	xor    %eax,%eax
>0x0000100e <fr_socket+94>:	mov    $0x20,%ecx
>0x00001013 <fr_socket+99>:	lea    -0x90(%ebp),%edi
>0x00001019 <fr_socket+105>:	mov    %edi,-0xa0(%ebp)
>0x0000101f <fr_socket+111>:	rep stos %eax,%es:(%edi)			201: memset(&salocal, 0, sizeof(salocal));
>0x00001021 <fr_socket+113>:	mov    (%esi),%eax
>0x00001023 <fr_socket+115>:	cmp    $0x2,%eax				202: if (ipaddr->af == AF_INET) {
>0x00001026 <fr_socket+118>:	je     0x1050 <fr_socket+160>
>0x00001028 <fr_socket+120>:	cmp    $0xa,%eax
>0x0000102b <fr_socket+123>:	je     0x10a0 <fr_socket+240>
>0x0000102d <fr_socket+125>:	mov    -0x10(%ebp),%edx
>0x00001030 <fr_socket+128>:	xor    %gs:0x14,%edx
>0x00001037 <fr_socket+135>:	mov    -0xa4(%ebp),%eax
>0x0000103d <fr_socket+141>:	jne    0x115c <fr_socket+428>
>0x00001043 <fr_socket+147>:	mov    -0xc(%ebp),%ebx
>0x00001046 <fr_socket+150>:	mov    -0x8(%ebp),%esi
>0x00001049 <fr_socket+153>:	mov    -0x4(%ebp),%edi
>0x0000104c <fr_socket+156>:	mov    %ebp,%esp
>0x0000104e <fr_socket+158>:	pop    %ebp
>0x0000104f <fr_socket+159>:	ret    
>0x00001050 <fr_socket+160>:	movw   $0x2,-0x90(%ebp)				206: sa->sin_family = AF_INET;
>0x00001059 <fr_socket+169>:	mov    0x4(%esi),%eax
>0x0000105c <fr_socket+172>:	mov    %eax,-0x8c(%ebp)				207: sa->sin_addr = ipaddr->ipaddr.ip4addr;
>0x00001062 <fr_socket+178>:	mov    $0x10,%eax				209: salen = sizeof(*sa);
>0x00001067 <fr_socket+183>:	mov    -0xa0(%ebp),%edx				# &salocal
>0x0000106d <fr_socket+189>:	mov    -0xa4(%ebp),%edi				# sockfd
>0x00001073 <fr_socket+195>:	mov    %eax,0x8(%esp)				# salen
>0x00001077 <fr_socket+199>:	mov    %edx,0x4(%esp)				# &salocal
>0x0000107b <fr_socket+203>:	mov    %edi,(%esp)				# sockfd
>0x0000107e <fr_socket+206>:	call   0x107f <fr_socket+207>			243: if (bind(sockfd, (struct sockaddr *) &salocal, salen) < 0) {
>0x00001083 <fr_socket+211>:	test   %eax,%eax
>0x00001085 <fr_socket+213>:	jns    0x102d <fr_socket+125>
>0x00001087 <fr_socket+215>:	mov    %edi,(%esp)
>0x0000108a <fr_socket+218>:	call   0x108b <fr_socket+219>
>0x0000108f <fr_socket+223>:	movl   $0xffffffff,-0xa4(%ebp)
>0x00001099 <fr_socket+233>:	jmp    0x102d <fr_socket+125>
>0x0000109b <fr_socket+235>:	nop    
>0x0000109c <fr_socket+236>:	lea    0x0(%esi,%eiz,1),%esi
>0x000010a0 <fr_socket+240>:	movw   $0xa,-0x90(%ebp)				216: sa->sin6_family = AF_INET6;
>0x000010a9 <fr_socket+249>:	mov    0x4(%esi),%eax
>0x000010ac <fr_socket+252>:	mov    %eax,-0x88(%ebp)
>0x000010b2 <fr_socket+258>:	mov    0x8(%esi),%eax
>0x000010b5 <fr_socket+261>:	mov    %eax,-0x84(%ebp)
>0x000010bb <fr_socket+267>:	mov    0xc(%esi),%eax
>0x000010be <fr_socket+270>:	mov    %eax,-0x80(%ebp)
>0x000010c1 <fr_socket+273>:	mov    0x10(%esi),%eax
>0x000010c4 <fr_socket+276>:	mov    %eax,-0x7c(%ebp)
>0x000010c7 <fr_socket+279>:	mov    0x4(%esi),%edx
>0x000010ca <fr_socket+282>:	test   %edx,%edx
>0x000010cc <fr_socket+284>:	jne    0x1128 <fr_socket+376>
>0x000010ce <fr_socket+286>:	mov    0x8(%esi),%eax
>0x000010d1 <fr_socket+289>:	test   %eax,%eax
>0x000010d3 <fr_socket+291>:	jne    0x1128 <fr_socket+376>
>0x000010d5 <fr_socket+293>:	mov    0xc(%esi),%eax
>0x000010d8 <fr_socket+296>:	test   %eax,%eax
>0x000010da <fr_socket+298>:	jne    0x1128 <fr_socket+376>
>0x000010dc <fr_socket+300>:	mov    0x10(%esi),%eax
>0x000010df <fr_socket+303>:	test   %eax,%eax
>0x000010e1 <fr_socket+305>:	jne    0x1128 <fr_socket+376>
>0x000010e3 <fr_socket+307>:	lea    -0x94(%ebp),%eax
>0x000010e9 <fr_socket+313>:	mov    %eax,0xc(%esp)
>0x000010ed <fr_socket+317>:	mov    -0xa4(%ebp),%eax
>0x000010f3 <fr_socket+323>:	movl   $0x1,-0x94(%ebp)
>0x000010fd <fr_socket+333>:	movl   $0x4,0x10(%esp)
>0x00001105 <fr_socket+341>:	movl   $0x1a,0x8(%esp)
>0x0000110d <fr_socket+349>:	movl   $0x29,0x4(%esp)
>0x00001115 <fr_socket+357>:	mov    %eax,(%esp)
>0x00001118 <fr_socket+360>:	call   0x1119 <fr_socket+361>
>0x0000111d <fr_socket+365>:	mov    $0x1c,%eax			219: salen = sizeof(*sa); note: sa == sockaddr_in6
>0x00001122 <fr_socket+370>:	jmp    0x1067 <fr_socket+183>
>0x00001127 <fr_socket+375>:	nop    
>0x00001128 <fr_socket+376>:	mov    $0x1c,%eax			219: salen = sizeof(*sa); note: sa == sockaddr_in6
>0x0000112d <fr_socket+381>:	jmp    0x1067 <fr_socket+183>
>0x00001132 <fr_socket+386>:	lea    0x0(%esi),%esi
>0x00001138 <fr_socket+392>:	mov    0xc(%ebp),%edx
>0x0000113b <fr_socket+395>:	lea    0x0(%ebx),%eax
>0x00001141 <fr_socket+401>:	mov    %eax,(%esp)
>0x00001144 <fr_socket+404>:	mov    %edx,0x4(%esp)
>0x00001148 <fr_socket+408>:	call   0x1149 <fr_socket+409>
>0x0000114d <fr_socket+413>:	movl   $0xffffffff,-0xa4(%ebp)
>0x00001157 <fr_socket+423>:	jmp    0x102d <fr_socket+125>
>0x0000115c <fr_socket+428>:	call   0x115d <fr_socket+429>
>End of assembler dump.
>(gdb) 
>

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Attachments on bug 448743: 306938 | 306939 | 306940 | 306941