Differences From Artifact [fdf247a310]:
- File
src/runtime/lookup-x86-elf.S
— part of check-in
[5a6cc94418]
at
2013-03-16 10:13:47
on branch trunk
— Add forwardingTargetForSelector: for AMD64/ELF.
Currently, no methods returning structs are supported, see the comment
in OFObject. (user: js, size: 1577) [annotate] [blame] [check-ins using]
To Artifact [4f686320bc]:
- File src/runtime/lookup-asm-x86-elf.S — part of check-in [8417e06951] at 2013-07-11 12:48:48 on branch trunk — Improve file name consistency. (user: js, size: 1564) [annotate] [blame] [check-ins using]
- File src/runtime/lookup-x86-elf.S — part of check-in [aeb47d24b5] at 2013-07-11 12:33:06 on branch trunk — Use section .ctors instead of .init_array. (user: js, size: 1564) [annotate] [blame] [check-ins using]
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40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | movzbl (%eax), %ecx movl (%edx,%ecx,4), %eax testl %eax, %eax jz forward ret forward: call get_eip .L1: addl $objc_not_found_handler-.L1, %eax jmp *%eax objc_msg_lookup_super: movl 4(%esp), %edx cmpl $0, (%edx) je ret_nil movl 4(%edx), %edx movl 32(%edx), %edx jmp lookup ret_nil: call get_eip .L2: addl $nil_method-.L2, %eax ret nil_method: movl 4(%esp), %eax ret get_eip: movl (%esp), %eax ret | > > > > < < < < < | 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | movzbl (%eax), %ecx movl (%edx,%ecx,4), %eax testl %eax, %eax jz forward ret .type objc_msg_lookup, %function .size objc_msg_lookup, .-objc_msg_lookup forward: call get_eip .L1: addl $objc_not_found_handler-.L1, %eax jmp *%eax objc_msg_lookup_super: movl 4(%esp), %edx cmpl $0, (%edx) je ret_nil movl 4(%edx), %edx movl 32(%edx), %edx jmp lookup .type objc_msg_lookup_super, %function .size objc_msg_lookup_super, .-objc_msg_lookup_super ret_nil: call get_eip .L2: addl $nil_method-.L2, %eax ret nil_method: movl 4(%esp), %eax ret get_eip: movl (%esp), %eax ret #ifdef __linux__ .section .note.GNU-stack, "", %progbits #endif |