Colin Cross | 8673b5b | 2018-03-01 11:20:25 -0800 | [diff] [blame] | 1 | // Copyright 2018 Google Inc. All rights reserved. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
Dan Willemsen | 2249dc8 | 2018-10-15 00:35:59 -0700 | [diff] [blame] | 15 | package symbol_inject |
Colin Cross | 8673b5b | 2018-03-01 11:20:25 -0800 | [diff] [blame] | 16 | |
| 17 | import ( |
| 18 | "debug/macho" |
| 19 | ) |
| 20 | |
| 21 | /* Generated from: clang -o a.out test.c |
| 22 | |
| 23 | #include <unistd.h> |
| 24 | |
| 25 | char soong_build_number[128] = "PLACEHOLDER"; |
| 26 | |
| 27 | int main() { |
| 28 | write(STDOUT_FILENO, soong_build_number, sizeof(soong_build_number)); |
| 29 | } |
| 30 | */ |
| 31 | |
| 32 | var machoSymbolTable1 = &macho.File{ |
| 33 | Sections: []*macho.Section{ |
| 34 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__text", Seg: "__TEXT", Addr: 0x100000f50, Size: 0x2e, Offset: 0xf50, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| 35 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stubs", Seg: "__TEXT", Addr: 0x100000f7e, Size: 0x6, Offset: 0xf7e, Align: 0x1, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000408}}, |
| 36 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stub_helper", Seg: "__TEXT", Addr: 0x100000f84, Size: 0x1a, Offset: 0xf84, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| 37 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__unwind_info", Seg: "__TEXT", Addr: 0x100000fa0, Size: 0x48, Offset: 0xfa0, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| 38 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__eh_frame", Seg: "__TEXT", Addr: 0x100000fe8, Size: 0x18, Offset: 0xfe8, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| 39 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__nl_symbol_ptr", Seg: "__DATA", Addr: 0x100001000, Size: 0x10, Offset: 0x1000, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x6}}, |
| 40 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__la_symbol_ptr", Seg: "__DATA", Addr: 0x100001010, Size: 0x8, Offset: 0x1010, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x7}}, |
| 41 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__data", Seg: "__DATA", Addr: 0x100001020, Size: 0x80, Offset: 0x1020, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| 42 | }, |
| 43 | Symtab: &macho.Symtab{ |
| 44 | Syms: []macho.Symbol{ |
| 45 | macho.Symbol{Name: "__mh_execute_header", Type: 0xf, Sect: 0x1, Desc: 0x10, Value: 0x100000000}, |
| 46 | macho.Symbol{Name: "_main", Type: 0xf, Sect: 0x1, Desc: 0x0, Value: 0x100000f50}, |
| 47 | macho.Symbol{Name: "_soong_build_number", Type: 0xf, Sect: 0x8, Desc: 0x0, Value: 0x100001020}, |
| 48 | macho.Symbol{Name: "_write", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| 49 | macho.Symbol{Name: "dyld_stub_binder", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| 50 | }, |
| 51 | }, |
| 52 | } |
| 53 | |
| 54 | /* Generated from: clang -o a.out test2.c |
| 55 | |
| 56 | #include <unistd.h> |
| 57 | |
| 58 | char symbol1[128] = "PLACEHOLDER1"; |
| 59 | char symbol2[128] = "PLACEHOLDER2"; |
| 60 | |
| 61 | int main() { |
| 62 | write(STDOUT_FILENO, symbol1, sizeof(symbol1)); |
| 63 | write(STDOUT_FILENO, symbol2, sizeof(symbol2)); |
| 64 | } |
| 65 | */ |
| 66 | |
| 67 | var machoSymbolTable2 = &macho.File{ |
| 68 | Sections: []*macho.Section{ |
| 69 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__text", Seg: "__TEXT", Addr: 0x100000f30, Size: 0x4a, Offset: 0xf30, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| 70 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stubs", Seg: "__TEXT", Addr: 0x100000f7a, Size: 0x6, Offset: 0xf7a, Align: 0x1, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000408}}, |
| 71 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stub_helper", Seg: "__TEXT", Addr: 0x100000f80, Size: 0x1a, Offset: 0xf80, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| 72 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__unwind_info", Seg: "__TEXT", Addr: 0x100000f9c, Size: 0x48, Offset: 0xf9c, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| 73 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__eh_frame", Seg: "__TEXT", Addr: 0x100000fe8, Size: 0x18, Offset: 0xfe8, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| 74 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__nl_symbol_ptr", Seg: "__DATA", Addr: 0x100001000, Size: 0x10, Offset: 0x1000, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x6}}, |
| 75 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__la_symbol_ptr", Seg: "__DATA", Addr: 0x100001010, Size: 0x8, Offset: 0x1010, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x7}}, |
| 76 | &macho.Section{SectionHeader: macho.SectionHeader{Name: "__data", Seg: "__DATA", Addr: 0x100001020, Size: 0x100, Offset: 0x1020, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| 77 | }, |
| 78 | Symtab: &macho.Symtab{ |
| 79 | Syms: []macho.Symbol{ |
| 80 | macho.Symbol{Name: "__mh_execute_header", Type: 0xf, Sect: 0x1, Desc: 0x10, Value: 0x100000000}, |
| 81 | macho.Symbol{Name: "_main", Type: 0xf, Sect: 0x1, Desc: 0x0, Value: 0x100000f30}, |
| 82 | macho.Symbol{Name: "_symbol1", Type: 0xf, Sect: 0x8, Desc: 0x0, Value: 0x100001020}, |
| 83 | macho.Symbol{Name: "_symbol2", Type: 0xf, Sect: 0x8, Desc: 0x0, Value: 0x1000010a0}, |
| 84 | macho.Symbol{Name: "_write", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| 85 | macho.Symbol{Name: "dyld_stub_binder", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| 86 | }, |
| 87 | }, |
| 88 | } |