1# REQUIRES: x86 2 3# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o 4# RUN: %lld -dylib %t.o -o %t.dylib 5# RUN: obj2yaml %t.dylib | FileCheck %s 6 7.text 8.globl _foo 9_foo: 10 11.data 12# CHECK: RebaseOpcodes: 13# CHECK-NEXT: Opcode: REBASE_OPCODE_SET_TYPE_IMM 14# CHECK-NEXT: Imm: 1 15# CHECK-NEXT: Opcode: REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB 16# CHECK-NEXT: Imm: 1 17# CHECK-NEXT: ExtraData: [ 0x0 ] 18 19## 1/ Single rebases with a gap after them are encoded as REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB. 20.quad _foo 21.space 16 22# CHECK-NEXT: Opcode: REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB 23# CHECK-NEXT: Imm: 0 24# CHECK-NEXT: ExtraData: [ 0x10 ] 25 26## 2/ Consecutive rebases are encoded as REBASE_OPCODE_DO_REBASE_IMM_TIMES. 27.quad _foo 28.quad _foo 29.quad _foo 30# CHECK-NEXT: Opcode: REBASE_OPCODE_DO_REBASE_IMM_TIMES 31# CHECK-NEXT: Imm: 3 32 33## 3/ Gaps smaller than 16 words are encoded as REBASE_OPCODE_ADD_ADDR_IMM_SCALED. 34.space 120 35# CHECK-NEXT: Opcode: REBASE_OPCODE_ADD_ADDR_IMM_SCALED 36# CHECK-NEXT: Imm: 15 37 38## 4/ Rebases with equal gaps betwen them are encoded as REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB. 39.quad _foo 40.space 16 41.quad _foo 42.space 16 43# CHECK-NEXT: Opcode: REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 44# CHECK-NEXT: Imm: 0 45# CHECK-NEXT: ExtraData: [ 0x2, 0x10 ] 46 47## 5/ Rebase does not become a part of DO_REBASE_ULEB_TIMES_SKIPPING_ULEB if the next rebase is closer than the gap. 48.quad _foo 49.space 8 50# CHECK-NEXT: Opcode: REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB 51# CHECK-NEXT: Imm: 0 52# CHECK-NEXT: ExtraData: [ 0x8 ] 53 54.quad _foo 55.quad _foo 56# CHECK-NEXT: Opcode: REBASE_OPCODE_DO_REBASE_IMM_TIMES 57# CHECK-NEXT: Imm: 2 58 59## 6/ Large gaps are encoded as REBASE_OPCODE_ADD_ADDR_ULEB. 60.space 128 61# CHECK-NEXT: Opcode: REBASE_OPCODE_ADD_ADDR_ULEB 62# CHECK-NEXT: Imm: 0 63# CHECK-NEXT: ExtraData: [ 0x80 ] 64 65.quad _foo 66.space 8 67.quad _foo 68.space 8 69.quad _foo 70# CHECK-NEXT: Opcode: REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB 71# CHECK-NEXT: Imm: 0 72# CHECK-NEXT: ExtraData: [ 0x3, 0x8 ] 73 74 75## 7/ An add opcode is emitted if the next relocation is farther away than the DO_REBASE_ULEB_TIMES_SKIPPING_ULEB gap. 76.space 16 77.quad _foo 78# CHECK-NEXT: Opcode: REBASE_OPCODE_ADD_ADDR_IMM_SCALED 79# CHECK-NEXT: Imm: 1 80# CHECK-NEXT: Opcode: REBASE_OPCODE_DO_REBASE_IMM_TIMES 81# CHECK-NEXT: Imm: 1 82 83## 8/ The rebase section is terminated by REBASE_OPCODE_DONE. 84# CHECK-NEXT: Opcode: REBASE_OPCODE_DONE 85# CHECK-NEXT: Imm: 0 86