1 @ Integrated test for ARM unwind directive parser and assembler. 2 3 @ This is a simplified real world test case generated from this C++ code 4 @ (with and without -fomit-frame-pointer) 5 @ 6 @ extern void print(int, int, int, int, int); 7 @ extern void print(double, double, double, double, double); 8 @ 9 @ void test(int a, int b, int c, int d, int e, 10 @ double m, double n, double p, double q, double r) { 11 @ try { 12 @ print(a, b, c, d, e); 13 @ } catch (...) { 14 @ print(m, n, p, q, r); 15 @ } 16 @ } 17 @ 18 @ This test case should check the unwind opcode to adjust the opcode and 19 @ restore the general-purpose and VFP registers. 20 21 22 @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \ 23 @ RUN: | llvm-readobj -s -sd | FileCheck %s 24 25 26 @------------------------------------------------------------------------------- 27 @ Assembly without frame pointer elimination 28 @------------------------------------------------------------------------------- 29 .syntax unified 30 .section .TEST1 31 .globl func1 32 .align 2 33 .type func1,%function 34 func1: 35 .fnstart 36 .save {r4, r11, lr} 37 push {r4, r11, lr} 38 .setfp r11, sp, #4 39 add r11, sp, #4 40 .vsave {d8, d9, d10, d11, d12} 41 vpush {d8, d9, d10, d11, d12} 42 .pad #28 43 sub sp, sp, #28 44 sub sp, r11, #44 45 vpop {d8, d9, d10, d11, d12} 46 pop {r4, r11, pc} 47 .Ltmp1: 48 .size func1, .Ltmp1-func1 49 .globl __gxx_personality_v0 50 .personality __gxx_personality_v0 51 .handlerdata 52 .fnend 53 54 @ CHECK: Section { 55 @ CHECK: Name: .ARM.extab.TEST1 56 @ CHECK: SectionData ( 57 @ CHECK: 0000: 00000000 C94A9B01 B0818484 |.....J......| 58 @ CHECK: ) 59 @ CHECK: } 60 61 62 63 @------------------------------------------------------------------------------- 64 @ Assembly with frame pointer elimination 65 @------------------------------------------------------------------------------- 66 .section .TEST2 67 .globl func2 68 .align 2 69 .type func2,%function 70 func2: 71 .fnstart 72 .save {r4, lr} 73 push {r4, lr} 74 .vsave {d8, d9, d10, d11, d12} 75 vpush {d8, d9, d10, d11, d12} 76 .pad #24 77 sub sp, sp, #24 78 add sp, sp, #24 79 vpop {d8, d9, d10, d11, d12} 80 pop {r4, pc} 81 .Ltmp2: 82 .size func2, .Ltmp2-func2 83 .globl __gxx_personality_v0 84 .personality __gxx_personality_v0 85 .handlerdata 86 .fnend 87 88 @ CHECK: Section { 89 @ CHECK: Name: .ARM.extab.TEST2 90 @ CHECK: SectionData ( 91 @ CHECK: 0000: 00000000 84C90501 B0B0B0A8 |............| 92 @ CHECK: ) 93 @ CHECK: } 94
