| // Test that synthetic sections are created correctly for each partition. |
| |
| // REQUIRES: x86 |
| |
| // RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %S/Inputs/verneed1.s -o %t1.o |
| // RUN: echo "v1 {}; v2 {}; v3 { global: f1; local: *; };" > %t1.script |
| // RUN: ld.lld -shared %t1.o --version-script %t1.script -o %t1.so -soname verneed1.so.0 -z separate-code |
| |
| // RUN: llvm-mc %s -o %t.o -filetype=obj --triple=x86_64-unknown-linux |
| // RUN: echo "x1 { global: p0; }; x2 { global: p1; p1alias; };" > %t.script |
| // RUN: ld.lld %t.o %t1.so --version-script %t.script -o %t --shared --gc-sections --eh-frame-hdr -soname main.so -z separate-code |
| |
| // RUN: llvm-objcopy --extract-main-partition %t %t0 |
| // RUN: llvm-objcopy --extract-partition=part1 %t %t1 |
| |
| // RUN: llvm-readelf --all --unwind %t0 | FileCheck --check-prefixes=CHECK,PART0 %s |
| // RUN: llvm-readelf --all --unwind %t1 | FileCheck --check-prefixes=CHECK,PART1 %s |
| |
| // FIXME: llvm-objcopy does not preserve padding (see pr42145) so for now we |
| // check the combined output file. |
| // RUN: od -Ax -x %t | FileCheck %s -check-prefix=FILL |
| |
| // RUN: llvm-objdump -s -j .rodata -j .dynstr %t0 | FileCheck --check-prefix=PART-INDEX %s |
| |
| // CHECK: Section Headers: |
| // CHECK-NEXT: Name |
| // CHECK-NEXT: NULL |
| // CHECK-NEXT: .dynsym DYNSYM {{0*}}[[DYNSYM_ADDR:[^ ]*]] |
| // CHECK-NEXT: .gnu.version VERSYM {{0*}}[[VERSYM_ADDR:[^ ]*]] |
| // CHECK-NEXT: .gnu.version_d VERDEF {{0*}}[[VERDEF_ADDR:[^ ]*]] |
| // CHECK-NEXT: .gnu.version_r VERNEED {{0*}}[[VERNEED_ADDR:[^ ]*]] |
| // CHECK-NEXT: .gnu.hash GNU_HASH {{0*}}[[GNU_HASH_ADDR:[^ ]*]] |
| // CHECK-NEXT: .hash HASH {{0*}}[[HASH_ADDR:[^ ]*]] |
| // CHECK-NEXT: .dynstr STRTAB {{0*}}[[DYNSTR_ADDR:[^ ]*]] |
| // CHECK-NEXT: .rela.dyn RELA {{0*}}[[RELA_DYN_ADDR:[^ ]*]] |
| // PART0-NEXT: .rela.plt RELA {{0*}}[[RELA_PLT_ADDR:[^ ]*]] |
| // CHECK-NEXT: .eh_frame_hdr PROGBITS {{0*}}[[EH_FRAME_HDR_ADDR:[^ ]*]] |
| // CHECK-NEXT: .eh_frame PROGBITS {{0*}}[[EH_FRAME_ADDR:[^ ]*]] |
| // PART0-NEXT: .rodata PROGBITS |
| // CHECK-NEXT: .text PROGBITS {{0*}}[[TEXT_ADDR:[^ ]*]] |
| // PART0-NEXT: .plt PROGBITS |
| // PART0-NEXT: .init_array INIT_ARRAY {{0*}}[[INIT_ARRAY_ADDR:[^ ]*]] |
| // CHECK-NEXT: .dynamic DYNAMIC {{0*}}[[DYNAMIC_ADDR:[^ ]*]] |
| // PART0-NEXT: .data PROGBITS 000000000000[[DATA_SEGMENT:.]]178 |
| // PART1-NEXT: .data PROGBITS 000000000000[[DATA_SEGMENT:.]]130 |
| // PART0-NEXT: .got.plt PROGBITS {{0*}}[[GOT_PLT_ADDR:[^ ]*]] |
| // PART0-NEXT: .part.end NOBITS {{0*}}[[PART_END_ADDR:[^ ]*]] |
| // CHECK-NEXT: .comment PROGBITS |
| // CHECK-NEXT: .symtab SYMTAB |
| // CHECK-NEXT: .shstrtab STRTAB |
| // CHECK-NEXT: .strtab STRTAB |
| // CHECK-NEXT: Key to Flags |
| |
| // CHECK: Program Headers: |
| // CHECK-NEXT: Type |
| // PART0-NEXT: PHDR {{.*}} 0x000230 0x000230 R |
| // PART1-NEXT: PHDR {{.*}} 0x0001f8 0x0001f8 R |
| // PART0-NEXT: LOAD 0x000000 0x0000000000000000 0x0000000000000000 {{.*}} R 0x1000 |
| // PART0-NEXT: LOAD 0x001000 0x0000000000001000 0x0000000000001000 {{.*}} R E 0x1000 |
| // PART0-NEXT: LOAD 0x002000 0x0000000000002000 0x0000000000002000 {{.*}} RW 0x1000 |
| // PART0-NEXT: LOAD 0x002178 0x0000000000003178 0x0000000000003178 {{.*}} RW 0x1000 |
| // PART0-NEXT: LOAD 0x003150 0x0000000000008150 0x0000000000008150 0x000000 0x001000 RW 0x1000 |
| // PART1-NEXT: LOAD 0x000000 0x0000000000004000 0x0000000000004000 {{.*}} R 0x1000 |
| // PART1-NEXT: LOAD 0x001000 0x0000000000005000 0x0000000000005000 {{.*}} R E 0x1000 |
| // PART1-NEXT: LOAD 0x002000 0x0000000000006000 0x0000000000006000 {{.*}} RW 0x1000 |
| // PART1-NEXT: LOAD 0x002130 0x0000000000007130 0x0000000000007130 {{.*}} RW 0x1000 |
| // CHECK-NEXT: DYNAMIC {{.*}} 0x{{0*}}[[DYNAMIC_ADDR]] 0x{{0*}}[[DYNAMIC_ADDR]] {{.*}} RW 0x8 |
| // PART0-NEXT: GNU_RELRO 0x002000 0x0000000000002000 0x0000000000002000 {{.*}} R 0x1 |
| // PART1-NEXT: GNU_RELRO 0x002000 0x0000000000006000 0x0000000000006000 {{.*}} R 0x1 |
| // CHECK-NEXT: GNU_EH_FRAME {{.*}} 0x{{0*}}[[EH_FRAME_HDR_ADDR]] 0x{{0*}}[[EH_FRAME_HDR_ADDR]] {{.*}} R 0x4 |
| // CHECK-NEXT: GNU_STACK 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 RW 0x0 |
| // CHECK-EMPTY: |
| |
| // CHECK: Dynamic section |
| // CHECK-NEXT: Tag |
| // CHECK-NEXT: 0x0000000000000001 (NEEDED) Shared library: [verneed1.so.0] |
| // PART0-NEXT: 0x000000000000000e (SONAME) Library soname: [main.so] |
| // PART1-NEXT: 0x0000000000000001 (NEEDED) Shared library: [main.so] |
| // PART1-NEXT: 0x000000000000000e (SONAME) Library soname: [part1] |
| // CHECK-NEXT: 0x0000000000000007 (RELA) 0x[[RELA_DYN_ADDR]] |
| // CHECK-NEXT: 0x0000000000000008 (RELASZ) |
| // CHECK-NEXT: 0x0000000000000009 (RELAENT) 24 (bytes) |
| // PART1-NEXT: 0x000000006ffffff9 (RELACOUNT) 1 |
| // PART0-NEXT: 0x0000000000000017 (JMPREL) 0x[[RELA_PLT_ADDR]] |
| // PART0-NEXT: 0x0000000000000002 (PLTRELSZ) 48 (bytes) |
| // PART0-NEXT: 0x0000000000000003 (PLTGOT) 0x[[GOT_PLT_ADDR]] |
| // PART0-NEXT: 0x0000000000000014 (PLTREL) RELA |
| // CHECK-NEXT: 0x0000000000000006 (SYMTAB) 0x[[DYNSYM_ADDR]] |
| // CHECK-NEXT: 0x000000000000000b (SYMENT) 24 (bytes) |
| // CHECK-NEXT: 0x0000000000000005 (STRTAB) 0x[[DYNSTR_ADDR]] |
| // CHECK-NEXT: 0x000000000000000a (STRSZ) |
| // CHECK-NEXT: 0x000000006ffffef5 (GNU_HASH) 0x[[GNU_HASH_ADDR]] |
| // CHECK-NEXT: 0x0000000000000004 (HASH) 0x[[HASH_ADDR]] |
| // PART0-NEXT: 0x0000000000000019 (INIT_ARRAY) 0x[[INIT_ARRAY_ADDR]] |
| // PART0-NEXT: 0x000000000000001b (INIT_ARRAYSZ) 8 (bytes) |
| // CHECK-NEXT: 0x000000006ffffff0 (VERSYM) 0x[[VERSYM_ADDR]] |
| // CHECK-NEXT: 0x000000006ffffffc (VERDEF) 0x[[VERDEF_ADDR]] |
| // CHECK-NEXT: 0x000000006ffffffd (VERDEFNUM) 3 |
| // CHECK-NEXT: 0x000000006ffffffe (VERNEED) 0x[[VERNEED_ADDR]] |
| // CHECK-NEXT: 0x000000006fffffff (VERNEEDNUM) 1 |
| // PART0-NEXT: 0x0000000000000000 (NULL) 0x0 |
| |
| // CHECK: Relocation section '.rela.dyn' |
| // CHECK-NEXT: Offset |
| // PART0-NEXT: 000000000000[[DATA_SEGMENT]]178 {{.*}} R_X86_64_64 {{.*}} f1@v3 + 0 |
| // PART0-NEXT: {{0*}}[[INIT_ARRAY_ADDR]] {{.*}} R_X86_64_64 {{.*}} p0@@x1 + 0 |
| // PART1-NEXT: 000000000000[[DATA_SEGMENT]]148 {{.*}} R_X86_64_RELATIVE 3178 |
| // PART1-NEXT: 000000000000[[DATA_SEGMENT]]130 {{.*}} R_X86_64_64 {{.*}} f2@v2 + 0 |
| // PART1-NEXT: 000000000000[[DATA_SEGMENT]]138 {{.*}} R_X86_64_64 {{.*}} p0@x1 + 0 |
| // PART1-NEXT: 000000000000[[DATA_SEGMENT]]140 {{.*}} R_X86_64_64 {{.*}} p0@x1 + 0 |
| |
| // PART0: Relocation section '.rela.plt' |
| // PART0-NEXT: Offset |
| // PART0-NEXT: 000000000000[[DATA_SEGMENT]]198 {{.*}} R_X86_64_JUMP_SLOT {{.*}} f1@v3 + 0 |
| // PART0-NEXT: 000000000000[[DATA_SEGMENT]]1a0 {{.*}} R_X86_64_JUMP_SLOT {{.*}} f2@v2 + 0 |
| |
| // CHECK-NEXT: EHFrameHeader |
| // CHECK: Address: 0x[[EH_FRAME_HDR_ADDR]] |
| // CHECK: eh_frame_ptr: 0x[[EH_FRAME_ADDR]] |
| // CHECK: initial_location: 0x[[TEXT_ADDR]] |
| // CHECK: address: 0x[[FDE_ADDR:.*]] |
| |
| // CHECK: .eh_frame section |
| // CHECK: 0x[[EH_FRAME_ADDR]]] CIE length=20 |
| // CHECK-NOT: FDE |
| // CHECK: 0x[[FDE_ADDR]]] FDE length=20 cie={{.}}0x[[EH_FRAME_ADDR]] |
| // CHECK-NEXT: initial_location: 0x[[TEXT_ADDR]] |
| // CHECK-NOT: FDE |
| // CHECK: CIE length=0 |
| |
| // CHECK: Symbol table '.dynsym' |
| // PART0: 1: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND f1@v3 |
| // PART0: 2: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND f2@v2 |
| // PART0: 3: {{0*}}[[TEXT_ADDR]] 0 NOTYPE GLOBAL DEFAULT {{.*}} p0@@x1 |
| // PART1: 1: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND f2@v2 |
| // PART1: 2: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND p0@x1 |
| // PART1: 3: {{0*}}[[TEXT_ADDR]] 0 NOTYPE GLOBAL DEFAULT {{.*}} p1@@x2 |
| // PART1: 4: {{0*}}[[TEXT_ADDR]] 0 NOTYPE GLOBAL DEFAULT {{.*}} p1alias@@x2 |
| // CHECK-EMPTY: |
| |
| // PART0: Symbol table '.symtab' |
| // PART0: 000000000000048c 0 NOTYPE LOCAL HIDDEN {{.*}} __part_index_begin |
| // PART0: 0000000000000498 0 NOTYPE LOCAL HIDDEN {{.*}} __part_index_end |
| |
| // PART-INDEX: Contents of section .dynstr: |
| // PART-INDEX-NEXT: 03a8 00703000 66310066 32007061 72743100 .p0.f1.f2.part1. |
| // PART-INDEX: Contents of section .rodata: |
| // 0x48c + 0xffffff26 = 0x3b2 |
| // 0x490 + 0x3b70 = 0x4000 |
| // PART-INDEX-NEXT: 048c 26ffffff 703b0000 50410000 |
| |
| // CHECK: Version symbols section '.gnu.version' |
| // CHECK-NEXT: Addr: |
| // PART0-NEXT: 000: 0 (*local*) 4 (v3) 5 (v2) 2 (x1) |
| // PART1-NEXT: 000: 0 (*local*) 5 (v2) 2 (x1) 3 (x2) |
| |
| // CHECK: Version definition section '.gnu.version_d' |
| // CHECK-NEXT: Addr: |
| // PART0-NEXT: 0x0000: Rev: 1 Flags: BASE Index: 1 Cnt: 1 Name: main.so |
| // PART1-NEXT: 0x0000: Rev: 1 Flags: BASE Index: 1 Cnt: 1 Name: part1 |
| // CHECK-NEXT: 0x001c: Rev: 1 Flags: none Index: 2 Cnt: 1 Name: x1 |
| // CHECK-NEXT: 0x0038: Rev: 1 Flags: none Index: 3 Cnt: 1 Name: x2 |
| |
| // CHECK: Version needs section '.gnu.version_r' |
| // CHECK-NEXT: Addr: |
| // CHECK-NEXT: 0x0000: Version: 1 File: verneed1.so.0 Cnt: 2 |
| // CHECK-NEXT: 0x0010: Name: v2 Flags: none Version: 5 |
| // CHECK-NEXT: 0x0020: Name: v3 Flags: none Version: 4 |
| |
| // PART0: Histogram for bucket list length (total of 4 buckets) |
| // PART0-NEXT: Length Number % of total Coverage |
| // PART0-NEXT: 0 1 ( 25.0%) 0.0% |
| // PART0-NEXT: 1 3 ( 75.0%) 100.0% |
| // PART0-NEXT: Histogram for `.gnu.hash' bucket list length (total of 1 buckets) |
| // PART0-NEXT: Length Number % of total Coverage |
| // PART0-NEXT: 0 0 ( 0.0%) 0.0% |
| // PART0-NEXT: 1 1 (100.0%) 100.0% |
| |
| // PART1: Histogram for bucket list length (total of 5 buckets) |
| // PART1-NEXT: Length Number % of total Coverage |
| // PART1-NEXT: 0 3 ( 60.0%) 0.0% |
| // PART1-NEXT: 1 2 ( 40.0%) 100.0% |
| // PART1-NEXT: Histogram for `.gnu.hash' bucket list length (total of 1 buckets) |
| // PART1-NEXT: Length Number % of total Coverage |
| // PART1-NEXT: 0 0 ( 0.0%) 0.0% |
| // PART1-NEXT: 1 0 ( 0.0%) 0.0% |
| // PART1-NEXT: 2 1 (100.0%) 100.0% |
| |
| // FILL: 001040 cccc cccc cccc cccc cccc cccc cccc cccc |
| // FILL-NEXT: * |
| // FILL-NEXT: 002000 |
| |
| // FILL: 004010 cccc cccc cccc cccc cccc cccc cccc cccc |
| // FILL-NEXT: * |
| // FILL-NEXT: 005000 |
| |
| .section .llvm_sympart,"",@llvm_sympart |
| .asciz "part1" |
| .quad p1 |
| |
| .section .llvm_sympart2,"",@llvm_sympart |
| .asciz "part1" |
| .quad p1alias |
| |
| .section .text.p0,"ax",@progbits |
| .globl p0 |
| p0: |
| .cfi_startproc |
| lea d0(%rip), %rax |
| call f1 |
| ret |
| .cfi_endproc |
| |
| .section .data.d0,"aw",@progbits |
| d0: |
| .quad f1 |
| |
| .section .text.p1,"ax",@progbits |
| .globl p1 |
| p1: |
| .globl p1alias |
| p1alias: |
| .cfi_startproc |
| lea d1(%rip), %rax |
| call f2 |
| ret |
| .cfi_endproc |
| |
| .section .data.d1,"aw",@progbits |
| d1: |
| .quad f2 |
| .quad p0 |
| .quad p0 |
| .quad d0 |
| |
| .section .init_array,"aw",@init_array |
| .quad p0 |
| |
| .globl __part_index_begin |
| .globl __part_index_end |
