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Re: Executable entry point

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Re: Executable entry point

Subject: Re: Executable entry point
From: Filipe Cabecinhas <email@hidden>
Date: Tue, 20 Mar 2007 11:13:31 +0000

On 20 Mar, 2007, at 10:07, Quinn wrote:

Can you (Filipe) post the output from otool -l?


Here it is:

godel:~/dev/compiladores/tests filcab$ otool -l hello hello: Load command 0 cmd LC_SEGMENT cmdsize 56 segname __PAGEZERO vmaddr 0x00000000 vmsize 0x00001000 fileoff 0 filesize 0 maxprot 0x00000000 initprot 0x00000000 nsects 0 flags 0x4 Load command 1 cmd LC_SEGMENT cmdsize 328 segname __TEXT vmaddr 0x00001000 vmsize 0x00002000 fileoff 0 filesize 8192 maxprot 0x00000007 initprot 0x00000005 nsects 4 flags 0x0 Section sectname __text segname __TEXT addr 0x000022f0 size 0x00000c87 offset 4848 align 2^0 (1) reloff 0 nreloc 0 flags 0x80000400 reserved1 0 reserved2 0 Section sectname __const segname __TEXT addr 0x00002f80 size 0x00000050 offset 8064 align 2^4 (16) reloff 0 nreloc 0 flags 0x00000000 reserved1 0 reserved2 0 Section sectname __literal8 segname __TEXT addr 0x00002fd0 size 0x00000028 offset 8144 align 2^3 (8) reloff 0 nreloc 0 flags 0x00000004 reserved1 0 reserved2 0 Section sectname __textcoal_nt segname __TEXT addr 0x00002ff8 size 0x00000004 offset 8184 align 2^0 (1) reloff 0 nreloc 0 flags 0x8000040b reserved1 0 reserved2 0 Load command 2 cmd LC_SEGMENT cmdsize 260 segname __DATA vmaddr 0x00003000 vmsize 0x00001000 fileoff 8192 filesize 4096 maxprot 0x00000003 initprot 0x00000003 nsects 3 flags 0x0 Section sectname __const segname __DATA addr 0x00003000 size 0x0000000e offset 8192 align 2^0 (1) reloff 0 nreloc 0 flags 0x00000000 reserved1 0 reserved2 0 Section sectname __data segname __DATA addr 0x0000300e size 0x00000009 offset 8206 align 2^0 (1) reloff 0 nreloc 0 flags 0x00000000 reserved1 0 reserved2 0 Section sectname __bss segname __DATA addr 0x00003020 size 0x00000061 offset 0 align 2^5 (32) reloff 0 nreloc 0 flags 0x00000001 reserved1 0 reserved2 0 Load command 3 cmd LC_SEGMENT cmdsize 124 segname __IMPORT vmaddr 0x00004000 vmsize 0x00001000 fileoff 12288 filesize 4096 maxprot 0x00000007 initprot 0x00000007 nsects 1 flags 0x0 Section sectname __jump_table segname __IMPORT addr 0x00004000 size 0x0000000a offset 12288 align 2^0 (1) reloff 0 nreloc 0 flags 0x84000408 reserved1 0 (index into indirect symbol table) reserved2 5 (size of stubs) Load command 4 cmd LC_SEGMENT cmdsize 56 segname __LINKEDIT vmaddr 0x00005000 vmsize 0x00002000 fileoff 16384 filesize 6580 maxprot 0x00000003 initprot 0x00000001 nsects 0 flags 0x4 Load command 5 cmd LC_LOAD_DYLIB cmdsize 52 name /usr/lib/libSystem.B.dylib (offset 24) time stamp 1174303458 Mon Mar 19 11:24:18 2007 current version 88.3.6 compatibility version 1.0.0 Load command 6 cmd LC_SYMTAB cmdsize 24 symoff 16392 nsyms 400 stroff 21192 strsize 1772 Load command 7 cmd LC_DYSYMTAB cmdsize 80 ilocalsym 0 nlocalsym 372 iextdefsym 372 nextdefsym 25 iundefsym 397 nundefsym 3 tocoff 0 ntoc 0 modtaboff 0 nmodtab 0 extrefsymoff 0 nextrefsyms 0 indirectsymoff 16384 nindirectsyms 2 extreloff 0 nextrel 0 locreloff 0 nlocrel 0 Load command 8 cmd LC_UNIXTHREAD cmdsize 80 flavor i386_THREAD_STATE count i386_THREAD_STATE_COUNT eax 0x00000000 ebx 0x00000000 ecx 0x00000000 edx 0x00000000 edi 0x00000000 esi 0x00000000 ebp 0x00000000 esp 0x00000000 ss 0x0000001f eflags 0x00000000 eip 0x00002492 cs 0x00000017 ds 0x0000001f es 0x0000001f fs 0x00000000 gs 0x00000000 godel:~/dev/compiladores/tests filcab$


Thanks for the help

Filipe Cabecinhas

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Follow-Ups:

Re: Executable entry point
From: Terry Lambert <email@hidden>


References:  
  >Executable entry point (From: Filipe Cabecinhas <email@hidden>)
  >Re: Executable entry point (From: Geoffrey Lee <email@hidden>)
  >Re: Executable entry point (From: Filipe Cabecinhas <email@hidden>)
  >Re: Executable entry point (From: Jonas Maebe <email@hidden>)
  >Re: Executable entry point (From: Filipe Cabecinhas <email@hidden>)
  >Re: Executable entry point (From: Jonas Maebe <email@hidden>)
  >Re: Executable entry point (From: Quinn <email@hidden>)




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