Overview
Comment: | Better way of calling the forwarding handler. |
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SHA3-256: |
f5747ff94afb6f3d972edd77cbb16286 |
User & Date: | js on 2012-05-09 13:54:48 |
Other Links: | branch diff | manifest | tags |
Context
2012-05-09
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13:55 | Initialize classes on the first dispatch. check-in: dcf845546a user: js tags: runtime | |
13:54 | Better way of calling the forwarding handler. check-in: f5747ff94a user: js tags: runtime | |
2012-05-08
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20:30 | Add support for 16 bit selector UIDs. check-in: fef47937e5 user: js tags: runtime | |
Changes
Modified src/runtime/lookup-amd64-elf.S from [09c8f5af4a] to [2e8002927c].
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41 42 43 44 45 46 47 | testq %rax, %rax jz forward ret forward: | | | 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | testq %rax, %rax jz forward ret forward: mov objc_not_found_handler@GOTPCREL(%rip), %rax jmp *(%rax) objc_msg_lookup_super: movq (%rdi), %rax testq %rax, %rax jz ret_nil |
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Modified src/runtime/lookup-x86-elf.S from [d301a0d068] to [b73cd77fba].
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44 45 46 47 48 49 50 | jz forward ret forward: call get_eip .L1: | | | 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | 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 |
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Modified src/runtime/lookup.m from [4a37e847d8] to [9ff82b2e4e].
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19 20 21 22 23 24 25 | #include <stdio.h> #include <stdlib.h> #import "runtime.h" #import "runtime-private.h" #import "macros.h" | < | | | > > > | 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #include <stdio.h> #include <stdlib.h> #import "runtime.h" #import "runtime-private.h" #import "macros.h" IMP (*objc_forward_handler)(id, SEL) = NULL; IMP objc_not_found_handler(id obj, SEL sel) { if (objc_forward_handler != NULL) return objc_forward_handler(obj, sel); ERROR("Selector %s is not implemented for class %s!", sel_getName(sel), obj->isa->name); } BOOL class_respondsToSelector(Class cls, SEL sel) { |
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57 58 59 60 61 62 63 | if (obj == nil) return (IMP)nil_method; imp = objc_sparsearray_get(obj->isa->dtable, (uint32_t)sel->uid); if (imp == NULL) | | | | 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 84 85 86 | if (obj == nil) return (IMP)nil_method; imp = objc_sparsearray_get(obj->isa->dtable, (uint32_t)sel->uid); if (imp == NULL) return objc_not_found_handler(obj, sel); return imp; } IMP objc_msg_lookup_super(struct objc_super *super, SEL sel) { IMP imp; if (super->self == nil) return (IMP)nil_method; imp = objc_sparsearray_get(super->class->dtable, (uint32_t)sel->uid); if (imp == NULL) return objc_not_found_handler(super->self, sel); return imp; } #endif |