| # REQUIRES: systemz |
| ## Test R_390_GOTENT optimization. |
| |
| # RUN: llvm-mc -filetype=obj -relax-relocations -triple=s390x-unknown-linux %s -o %t.o |
| # RUN: ld.lld %t.o -o %t1 --no-apply-dynamic-relocs |
| # RUN: llvm-readelf -S -r -x .got.plt %t1 | FileCheck --check-prefixes=CHECK,NOAPPLY %s |
| # RUN: ld.lld %t.o -o %t1 --apply-dynamic-relocs |
| # RUN: llvm-readelf -S -r -x .got.plt %t1 | FileCheck --check-prefixes=CHECK,APPLY %s |
| # RUN: ld.lld %t.o -o %t1 |
| # RUN: llvm-objdump --no-print-imm-hex -d %t1 | FileCheck --check-prefix=DISASM %s |
| |
| ## --no-relax disables GOT optimization. |
| # RUN: ld.lld --no-relax %t.o -o %t2 |
| # RUN: llvm-objdump --no-print-imm-hex -d %t2 | FileCheck --check-prefix=NORELAX %s |
| |
| ## In our implementation, .got is retained even if all GOT-generating relocations are optimized. |
| # CHECK: Name Type Address Off Size ES Flg Lk Inf Al |
| # CHECK: .iplt PROGBITS 0000000001001240 000240 000020 00 AX 0 0 16 |
| # CHECK-NEXT: .got PROGBITS 0000000001002260 000260 000018 00 WA 0 0 8 |
| # CHECK-NEXT: .relro_padding NOBITS 0000000001002278 000278 000d88 00 WA 0 0 1 |
| # CHECK-NEXT: .got.plt PROGBITS 0000000001003278 000278 000008 00 WA 0 0 8 |
| |
| ## There is one R_S390_IRELATIVE relocation. |
| # CHECK-LABEL: Relocation section '.rela.dyn' at offset {{.*}} contains 1 entries: |
| # CHECK: 0000000001003278 000000000000003d R_390_IRELATIVE 10011e8 |
| |
| # CHECK-LABEL: Hex dump of section '.got.plt': |
| # NOAPPLY-NEXT: 0x01003278 00000000 00000000 |
| # APPLY-NEXT: 0x01003278 00000000 010011e8 |
| |
| # DISASM: Disassembly of section .text: |
| # DISASM: 00000000010011e0 <foo>: |
| # DISASM-NEXT: bc 0, 0 |
| # DISASM: 00000000010011e4 <hid>: |
| # DISASM-NEXT: bc 0, 0 |
| # DISASM: 00000000010011e8 <ifunc>: |
| # DISASM-NEXT: br %r14 |
| # DISASM: 00000000010011ea <_start>: |
| # DISASM-NEXT: larl %r1, 0x10011e0 |
| # DISASM-NEXT: larl %r1, 0x10011e0 |
| # DISASM-NEXT: larl %r1, 0x10011e4 |
| # DISASM-NEXT: larl %r1, 0x10011e4 |
| # DISASM-NEXT: lgrl %r1, 0x1003278 |
| # DISASM-NEXT: lgrl %r1, 0x1003278 |
| # DISASM-NEXT: larl %r1, 0x10011e0 |
| # DISASM-NEXT: larl %r1, 0x10011e0 |
| # DISASM-NEXT: larl %r1, 0x10011e4 |
| # DISASM-NEXT: larl %r1, 0x10011e4 |
| # DISASM-NEXT: lgrl %r1, 0x1003278 |
| # DISASM-NEXT: lgrl %r1, 0x1003278 |
| |
| # NORELAX-LABEL: <_start>: |
| # NORELAX-COUNT-12: lgrl |
| |
| .text |
| .globl foo |
| |
| .text |
| .globl foo |
| .type foo, @function |
| foo: |
| nop |
| |
| .globl hid |
| .hidden hid |
| .type hid, @function |
| hid: |
| nop |
| |
| .text |
| .type ifunc STT_GNU_IFUNC |
| .globl ifunc |
| .type ifunc, @function |
| ifunc: |
| br %r14 |
| |
| .globl _start |
| .type _start, @function |
| _start: |
| lgrl %r1, foo@GOT |
| lgrl %r1, foo@GOT |
| lgrl %r1, hid@GOT |
| lgrl %r1, hid@GOT |
| lgrl %r1, ifunc@GOT |
| lgrl %r1, ifunc@GOT |
| lgrl %r1, foo@GOT |
| lgrl %r1, foo@GOT |
| lgrl %r1, hid@GOT |
| lgrl %r1, hid@GOT |
| lgrl %r1, ifunc@GOT |
| lgrl %r1, ifunc@GOT |
