| // Copyright 2018 Google Inc. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package symbol_inject |
| |
| import ( |
| "debug/macho" |
| ) |
| |
| /* Generated from: clang -o a.out test.c |
| |
| #include <unistd.h> |
| |
| char soong_build_number[128] = "PLACEHOLDER"; |
| |
| int main() { |
| write(STDOUT_FILENO, soong_build_number, sizeof(soong_build_number)); |
| } |
| */ |
| |
| var machoSymbolTable1 = &macho.File{ |
| Sections: []*macho.Section{ |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__text", Seg: "__TEXT", Addr: 0x100000f50, Size: 0x2e, Offset: 0xf50, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stubs", Seg: "__TEXT", Addr: 0x100000f7e, Size: 0x6, Offset: 0xf7e, Align: 0x1, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000408}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stub_helper", Seg: "__TEXT", Addr: 0x100000f84, Size: 0x1a, Offset: 0xf84, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__unwind_info", Seg: "__TEXT", Addr: 0x100000fa0, Size: 0x48, Offset: 0xfa0, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__eh_frame", Seg: "__TEXT", Addr: 0x100000fe8, Size: 0x18, Offset: 0xfe8, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| &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}}, |
| &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}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__data", Seg: "__DATA", Addr: 0x100001020, Size: 0x80, Offset: 0x1020, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| }, |
| Symtab: &macho.Symtab{ |
| Syms: []macho.Symbol{ |
| macho.Symbol{Name: "__mh_execute_header", Type: 0xf, Sect: 0x1, Desc: 0x10, Value: 0x100000000}, |
| macho.Symbol{Name: "_main", Type: 0xf, Sect: 0x1, Desc: 0x0, Value: 0x100000f50}, |
| macho.Symbol{Name: "_soong_build_number", Type: 0xf, Sect: 0x8, Desc: 0x0, Value: 0x100001020}, |
| macho.Symbol{Name: "_write", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| macho.Symbol{Name: "dyld_stub_binder", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| }, |
| }, |
| } |
| |
| /* Generated from: clang -o a.out test2.c |
| |
| #include <unistd.h> |
| |
| char symbol1[128] = "PLACEHOLDER1"; |
| char symbol2[128] = "PLACEHOLDER2"; |
| |
| int main() { |
| write(STDOUT_FILENO, symbol1, sizeof(symbol1)); |
| write(STDOUT_FILENO, symbol2, sizeof(symbol2)); |
| } |
| */ |
| |
| var machoSymbolTable2 = &macho.File{ |
| Sections: []*macho.Section{ |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__text", Seg: "__TEXT", Addr: 0x100000f30, Size: 0x4a, Offset: 0xf30, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stubs", Seg: "__TEXT", Addr: 0x100000f7a, Size: 0x6, Offset: 0xf7a, Align: 0x1, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000408}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__stub_helper", Seg: "__TEXT", Addr: 0x100000f80, Size: 0x1a, Offset: 0xf80, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x80000400}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__unwind_info", Seg: "__TEXT", Addr: 0x100000f9c, Size: 0x48, Offset: 0xf9c, Align: 0x2, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__eh_frame", Seg: "__TEXT", Addr: 0x100000fe8, Size: 0x18, Offset: 0xfe8, Align: 0x3, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| &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}}, |
| &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}}, |
| &macho.Section{SectionHeader: macho.SectionHeader{Name: "__data", Seg: "__DATA", Addr: 0x100001020, Size: 0x100, Offset: 0x1020, Align: 0x4, Reloff: 0x0, Nreloc: 0x0, Flags: 0x0}}, |
| }, |
| Symtab: &macho.Symtab{ |
| Syms: []macho.Symbol{ |
| macho.Symbol{Name: "__mh_execute_header", Type: 0xf, Sect: 0x1, Desc: 0x10, Value: 0x100000000}, |
| macho.Symbol{Name: "_main", Type: 0xf, Sect: 0x1, Desc: 0x0, Value: 0x100000f30}, |
| macho.Symbol{Name: "_symbol1", Type: 0xf, Sect: 0x8, Desc: 0x0, Value: 0x100001020}, |
| macho.Symbol{Name: "_symbol2", Type: 0xf, Sect: 0x8, Desc: 0x0, Value: 0x1000010a0}, |
| macho.Symbol{Name: "_write", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| macho.Symbol{Name: "dyld_stub_binder", Type: 0x1, Sect: 0x0, Desc: 0x100, Value: 0x0}, |
| }, |
| }, |
| } |