[lld] [llvm] [llvm-objdump][ARM] Find ELF file PLT entries for arm, thumb (PR #130764)

[Vladislav Dzhidzhoev via llvm-commits]

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@@ -0,0 +1,243 @@
+// Test PLT section parsing on arm.
+
+// RUN: %clang -target armv6a-none-linux-gnueabi -fuse-ld=ld.lld \
+// RUN:   -nostdlib -nostdinc -shared %s -o %t1
+// RUN: llvm-objdump --no-show-raw-insn --no-print-imm-hex \
+// RUN:   -d %t1 | FileCheck %s --check-prefixes=CHECK,LE
+
+// Test PLT section parsing on armeb.
+
+// RUN: %clang -target armv6aeb-none-linux-gnueabi -fuse-ld=ld.lld \
+// RUN:   -nostdlib -nostdinc -shared %s -o %t2
+// RUN: llvm-objdump --no-show-raw-insn --no-print-imm-hex \
+// RUN:   -d %t2 | FileCheck %s --check-prefixes=CHECK,BE
+// RUN: obj2yaml %t2 | FileCheck %s --check-prefixes=NOBE8
+
+// Test PLT section parsing on armeb with be8.
+
+// RUN: %clang -target armv7aeb-none-linux-gnueabi -fuse-ld=ld.lld \
+// RUN:   -nostdlib -nostdinc -shared %s -o %t3
+// RUN: llvm-objdump --no-show-raw-insn --no-print-imm-hex \
+// RUN:   -d %t3 | FileCheck %s --check-prefixes=CHECK,BE
+// RUN: obj2yaml %t3 | FileCheck %s --check-prefixes=BE8
+
+// LE: file format elf32-littlearm
+// BE: file format elf32-bigarm
+// NOBE8-NOT: EF_ARM_BE8
+// BE8: EF_ARM_BE8
+
+// CHECK: Disassembly of section .text:
+// CHECK-EMPTY:
+// CHECK-NEXT:    <_start>:
+// CHECK-NEXT:      push	{r11, lr}
+// CHECK-NEXT:      mov	r11, sp
+// CHECK-NEXT:      bl	0x10240 <func1 at plt>
+// CHECK-NEXT:      bl	0x10250 <func2 at plt>
+// CHECK-NEXT:      bl	0x10260 <func3 at plt>
+
+// CHECK: Disassembly of section .plt:
+// CHECK:      00010240 <func1 at plt>:
+// CHECK-NEXT:      add	r12, pc, #0, #12
+// CHECK-NEXT:      add	r12, r12, #32, #20
+// CHECK-NEXT:      ldr	pc, [r12, #132]!
+// CHECK-NEXT:      .word	0xd4d4d4d4
+// CHECK-EMPTY:
+// CHECK-NEXT: 00010250 <func2 at plt>:
+// CHECK-NEXT:      add	r12, pc, #0, #12
+// CHECK-NEXT:      add	r12, r12, #32, #20
+// CHECK-NEXT:      ldr	pc, [r12, #120]!
+// CHECK-NEXT:      .word	0xd4d4d4d4
+// CHECK-EMPTY:
+// CHECK-NEXT: 00010260 <func3 at plt>:
+// CHECK-NEXT:      add	r12, pc, #0, #12
+// CHECK-NEXT:      add	r12, r12, #32, #20
+// CHECK-NEXT:      ldr	pc, [r12, #108]!
+// CHECK-NEXT:      .word	0xd4d4d4d4
+
+// Test PLT section parsing on thumb.
+
+// RUN: %clang -target thumbv8.1m.main-none-linux-eabi \
+// RUN:   -nostdlib -nostdinc -c %s -o %t4.o
+// RUN: ld.lld --shared %t4.o -o %t4
+// RUN: llvm-objdump --no-show-raw-insn --no-print-imm-hex \
+// RUN:   -d %t4 | FileCheck %s --check-prefixes=THUMB,LE
+
+// Test PLT section parsing on thumbeb.
+
+// RUN: %clang -target thumbebv8.1m.main-none-linux-eabi \
+// RUN:   -nostdlib -nostdinc -c %s -o %t5.o
+// RUN: ld.lld --shared %t5.o -o %t5
+// RUN: llvm-objdump --no-show-raw-insn --no-print-imm-hex \
+// RUN:   -d %t5 | FileCheck %s --check-prefixes=THUMB,BE
+// RUN: obj2yaml %t5 | FileCheck %s --check-prefixes=NOBE8
+
+// Test PLT section parsing on thumbeb with be8.
+
+// RUN: %clang -target thumbebv8.1m.main-none-linux-eabi \
+// RUN:   -nostdlib -nostdinc -c %s -o %t6.o
+// RUN: ld.lld --shared --be8 %t6.o -o %t6
+// RUN: llvm-objdump --no-show-raw-insn --no-print-imm-hex \
+// RUN:   -d %t6 | FileCheck %s --check-prefixes=THUMB,BE
+// RUN: obj2yaml %t6 | FileCheck %s --check-prefixes=BE8
+
+// THUMB: Disassembly of section .text:
+// THUMB-EMPTY:
+// THUMB-NEXT: <_start>:
+// THUMB-NEXT:      push	{r7, lr}
+// THUMB-NEXT:      mov r7, sp
+// THUMB-NEXT:      bl	0x10270 <func1 at plt>
+// THUMB-NEXT:      bl	0x10280 <func2 at plt>
+// THUMB-NEXT:      bl	0x10290 <func3 at plt>
+
+// THUMB: Disassembly of section .plt:
+// THUMB-EMPTY:
+// THUMB:      00010270 <func1 at plt>:
----------------
dzhidzhoev wrote:

Fixed

https://github.com/llvm/llvm-project/pull/130764