| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet1.s -o %t1.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet2.s -o %t2.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet3.s -o %t3.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet4.s -o %t4.o |
| |
| # RUN: ld.lld -e func1 %t.o %t1.o -o %t |
| # RUN: llvm-readelf -n %t | FileCheck --check-prefix=CET --match-full-lines %s |
| |
| # RUN: ld.lld -e func1 %t.o %t2.o -o %t |
| # RUN: llvm-readelf -n %t | FileCheck --check-prefix=CET --match-full-lines %s |
| |
| # CET: Properties: x86 feature: IBT, SHSTK |
| |
| # RUN: ld.lld -e func1 %t.o %t3.o -o %t |
| # RUN: llvm-readelf -S %t | FileCheck --check-prefix=NOCET %s |
| |
| # NOCET: Section Headers |
| # NOCET-NOT: .note.gnu.property |
| |
| # RUN: ld.lld -e func1 %t.o %t3.o -o %t -z force-ibt 2>&1 \ |
| # RUN: | FileCheck --check-prefix=WARN %s |
| # WARN: {{.*}}.o: -z force-ibt: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property |
| |
| # RUN:not ld.lld -e func1 %t.o %t3.o -o /dev/null -z cet-report=something 2>&1 \ |
| # RUN: | FileCheck --check-prefix=REPORT_INVALID %s |
| # REPORT_INVALID: error: -z cet-report= parameter something is not recognized |
| # REPORT_INVALID-EMPTY: |
| |
| # RUN: ld.lld -e func1 %t.o %t3.o -o /dev/null -z force-ibt -z cet-report=warning 2>&1 \ |
| # RUN: | FileCheck --check-prefix=REPORT_FORCE %s |
| # REPORT_FORCE: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property |
| # REPORT_FORCE: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_SHSTK property |
| # REPORT_FORCE-EMPTY: |
| |
| # RUN: ld.lld -e func1 %t.o %t3.o -o /dev/null -z cet-report=warning 2>&1 \ |
| # RUN: | FileCheck --check-prefix=CET_REPORT_WARN %s |
| # CET_REPORT_WARN: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property |
| # CET_REPORT_WARN: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_SHSTK property |
| # CET_REPORT_WARN-EMPTY: |
| |
| # RUN: not ld.lld -e func1 %t.o %t3.o -o /dev/null -z cet-report=error 2>&1 \ |
| # RUN: | FileCheck --check-prefix=CET_REPORT_ERROR %s |
| # CET_REPORT_ERROR: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property |
| # CET_REPORT_ERROR: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_SHSTK property |
| # CET_REPORT_ERROR-EMPTY: |
| |
| # RUN: ld.lld -e func1 %t.o %t4.o -o %t |
| # RUN: llvm-readelf -n %t | FileCheck --check-prefix=NOSHSTK %s |
| |
| # Check .note.gnu.protery without property SHSTK. |
| # NOSHSTK: Properties: x86 feature: IBT{{$}} |
| |
| # RUN: ld.lld -shared %t1.o -soname=so -o %t1.so |
| # RUN: ld.lld -e func1 %t.o %t1.so -o %t |
| # RUN: llvm-readelf -n %t | FileCheck --check-prefix=CET --match-full-lines %s |
| # RUN: llvm-readelf -x .got.plt %t | FileCheck --check-prefix=GOTPLT %s |
| # RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t | FileCheck --check-prefix=DISASM %s |
| |
| # GOTPLT: Hex dump of section '.got.plt': |
| # GOTPLT-NEXT: 203480 80232000 00000000 00000000 00000000 |
| # GOTPLT-NEXT: 203490 00000000 00000000 50132000 00000000 |
| # GOTPLT-NEXT: 2034a0 00000000 00000000 |
| |
| # DISASM: Disassembly of section .text: |
| # DISASM: 0000000000201330 <func1>: |
| # DISASM-NEXT: 201330: callq 0x201360 <func2+0x201360> |
| # DISASM-NEXT: 201335: callq 0x201370 <func2+0x201370> |
| # DISASM-NEXT: retq |
| |
| # DISASM: Disassembly of section .plt: |
| # DISASM: 0000000000201340 <.plt>: |
| # DISASM-NEXT: 201340: pushq 0x2142(%rip) |
| # DISASM-NEXT: jmpq *0x2144(%rip) |
| # DISASM-NEXT: nopl (%rax) |
| # DISASM-NEXT: endbr64 |
| # DISASM-NEXT: pushq $0x0 |
| # DISASM-NEXT: jmp 0x201340 <.plt> |
| # DISASM-NEXT: nop |
| |
| # DISASM: Disassembly of section .plt.sec: |
| # DISASM: 0000000000201360 <.plt.sec>: |
| # DISASM-NEXT: 201360: endbr64 |
| # DISASM-NEXT: jmpq *0x212e(%rip) |
| # DISASM-NEXT: nopw (%rax,%rax) |
| |
| # DISASM: Disassembly of section .iplt: |
| # DISASM: 0000000000201370 <.iplt>: |
| # DISASM-NEXT: 201370: endbr64 |
| # DISASM-NEXT: jmpq *0x2126(%rip) |
| # DISASM-NEXT: nopw (%rax,%rax) |
| |
| ## If there is no PLT entry, don't create .plt section. |
| # RUN: ld.lld -e 0 %t1.o -o %t.noplt |
| # RUN: llvm-readelf -S %t.noplt | FileCheck %s --check-prefix=NOPLT |
| # RUN: ld.lld -r %t1.o -o %t.noplt |
| # RUN: llvm-readelf -S %t.noplt | FileCheck %s --check-prefix=NOPLT |
| |
| # NOPLT: [Nr] Name |
| # NOPLT-NOT: .plt |
| # NOPLT: .note.gnu.property |
| # NOPLT-NOT: .plt |
| |
| .section ".note.gnu.property", "a" |
| .long 4 |
| .long 0x10 |
| .long 0x5 |
| .asciz "GNU" |
| |
| .long 0xc0000002 # GNU_PROPERTY_X86_FEATURE_1_AND |
| .long 4 |
| .long 3 # GNU_PROPERTY_X86_FEATURE_1_IBT and SHSTK |
| .long 0 |
| |
| .text |
| .globl func1 |
| .type func1,@function |
| func1: |
| call func2 |
| call ifunc |
| ret |
| |
| .type ifunc,@gnu_indirect_function |
| ifunc: |
| ret |