1*9880d681SAndroid Build Coastguard Worker@ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \ 2*9880d681SAndroid Build Coastguard Worker@ RUN: | llvm-readobj -s -sd -sr -r -t | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker@ Check whether the section is switched back or not. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker@ The assembler should emit the machine code of "func2" in .text section. 7*9880d681SAndroid Build Coastguard Worker@ It is incorrect if the machine code is emitted in .ARM.exidx or .ARM.extab. 8*9880d681SAndroid Build Coastguard Worker@ Besides, there should be two entries in .ARM.exidx section. 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker .syntax unified 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Worker .text 13*9880d681SAndroid Build Coastguard Worker .globl func1 14*9880d681SAndroid Build Coastguard Worker .align 2 15*9880d681SAndroid Build Coastguard Worker .type func1,%function 16*9880d681SAndroid Build Coastguard Worker .fnstart 17*9880d681SAndroid Build Coastguard Workerfunc1: 18*9880d681SAndroid Build Coastguard Worker bx lr 19*9880d681SAndroid Build Coastguard Worker .fnend 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Worker .globl func2 22*9880d681SAndroid Build Coastguard Worker .align 2 23*9880d681SAndroid Build Coastguard Worker .type func2,%function 24*9880d681SAndroid Build Coastguard Worker .fnstart 25*9880d681SAndroid Build Coastguard Workerfunc2: 26*9880d681SAndroid Build Coastguard Worker bx lr 27*9880d681SAndroid Build Coastguard Worker .fnend 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 31*9880d681SAndroid Build Coastguard Worker@ Check the .text section. There should be two "bx lr" instructions. 32*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 33*9880d681SAndroid Build Coastguard Worker@ CHECK: Sections [ 34*9880d681SAndroid Build Coastguard Worker@ CHECK: Section { 35*9880d681SAndroid Build Coastguard Worker@ CHECK: Name: .text 36*9880d681SAndroid Build Coastguard Worker@ CHECK: SectionData ( 37*9880d681SAndroid Build Coastguard Worker@ CHECK: 0000: 1EFF2FE1 1EFF2FE1 |../.../.| 38*9880d681SAndroid Build Coastguard Worker@ CHECK: ) 39*9880d681SAndroid Build Coastguard Worker@ CHECK: } 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Worker 42*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 43*9880d681SAndroid Build Coastguard Worker@ Check the .ARM.exidx section. 44*9880d681SAndroid Build Coastguard Worker@ There should be two entries (two words per entry.) 45*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 46*9880d681SAndroid Build Coastguard Worker@ CHECK: Section { 47*9880d681SAndroid Build Coastguard Worker@ CHECK: Name: .ARM.exidx 48*9880d681SAndroid Build Coastguard Worker@ CHECK: SectionData ( 49*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 50*9880d681SAndroid Build Coastguard Worker@ The first word should be the offset to .text. The second word should be 51*9880d681SAndroid Build Coastguard Worker@ 0xB0B0B080, which means compact model 0 is used (0x80) and the rest of the 52*9880d681SAndroid Build Coastguard Worker@ word is filled with FINISH opcode (0xB0). 53*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 54*9880d681SAndroid Build Coastguard Worker@ CHECK: 0000: 00000000 B0B0B080 04000000 B0B0B080 |................| 55*9880d681SAndroid Build Coastguard Worker@ CHECK: ) 56*9880d681SAndroid Build Coastguard Worker@ CHECK: } 57*9880d681SAndroid Build Coastguard Worker@ CHECK: ] 58*9880d681SAndroid Build Coastguard Worker 59*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 60*9880d681SAndroid Build Coastguard Worker@ The first word of each entry should be relocated to .text section. 61*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 62*9880d681SAndroid Build Coastguard Worker@ CHECK: Relocations [ 63*9880d681SAndroid Build Coastguard Worker@ CHECK: 0x0 R_ARM_PREL31 .text 0x0 64*9880d681SAndroid Build Coastguard Worker@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0 65*9880d681SAndroid Build Coastguard Worker@ CHECK: 0x8 R_ARM_PREL31 .text 0x0 66*9880d681SAndroid Build Coastguard Worker@ CHECK: ] 67*9880d681SAndroid Build Coastguard Worker 68*9880d681SAndroid Build Coastguard Worker 69*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 70*9880d681SAndroid Build Coastguard Worker@ Check the symbols "func1" and "func2". They should belong to .text section. 71*9880d681SAndroid Build Coastguard Worker@------------------------------------------------------------------------------- 72*9880d681SAndroid Build Coastguard Worker@ CHECK: Symbols [ 73*9880d681SAndroid Build Coastguard Worker@ CHECK: Symbol { 74*9880d681SAndroid Build Coastguard Worker@ CHECK: Name: func1 75*9880d681SAndroid Build Coastguard Worker@ CHECK: Section: .text 76*9880d681SAndroid Build Coastguard Worker@ CHECK: } 77*9880d681SAndroid Build Coastguard Worker@ CHECK: Symbol { 78*9880d681SAndroid Build Coastguard Worker@ CHECK: Name: func2 79*9880d681SAndroid Build Coastguard Worker@ CHECK: Section: .text 80*9880d681SAndroid Build Coastguard Worker@ CHECK: } 81*9880d681SAndroid Build Coastguard Worker@ CHECK: ] 82