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 15 package symbol_inject 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 } 89
