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Diffstat (limited to 'test/ELF/arm-thumb-blx.s')
| -rw-r--r-- | test/ELF/arm-thumb-blx.s | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/test/ELF/arm-thumb-blx.s b/test/ELF/arm-thumb-blx.s deleted file mode 100644 index 5316d13dbc28b..0000000000000 --- a/test/ELF/arm-thumb-blx.s +++ /dev/null @@ -1,85 +0,0 @@ -// REQUIRES: arm -// RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t -// RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %S/Inputs/arm-thumb-blx-targets.s -o %ttarget -// RUN: echo "SECTIONS { \ -// RUN: .R_ARM_CALL24_callee1 : { *(.R_ARM_CALL24_callee_low) } \ -// RUN: .R_ARM_CALL24_callee2 : { *(.R_ARM_CALL24_callee_thumb_low) } \ -// RUN: .caller : { *(.text) } \ -// RUN: .R_ARM_CALL24_callee3 : { *(.R_ARM_CALL24_callee_high) } \ -// RUN: .R_ARM_CALL24_callee4 : { *(.R_ARM_CALL24_callee_thumb_high) } } " > %t.script -// RUN: ld.lld --script %t.script %t %ttarget -o %t2 2>&1 -// RUN: llvm-objdump -d -triple=thumbv7a-none-linux-gnueabi %t2 | FileCheck -check-prefix=CHECK-THUMB %s -// RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t2 | FileCheck -check-prefix=CHECK-ARM %s -// Test BLX instruction is chosen for Thumb BL/BLX instruction and ARM callee -// 2 byte nops are used to test the pc-rounding behaviour. As a BLX from a -// 2 byte aligned destination is defined as Align(PC,4) + immediate:00 -// FIXME: llvm-mc has problems assembling BLX unless the destination is -// external. The targets of the BL and BLX instructions are in arm-thumb-blx-target.s - .syntax unified - .section .text, "ax",%progbits - .thumb - .globl _start - .balign 0x10000 - .type _start,%function -_start: - blx callee_low - nop - bl callee_low - nop - blx callee_high - nop - bl callee_high - nop - blx blx_far - nop - bl blx_far - nop -// Expect BLX to thumb target to be written out as a BL - blx callee_thumb_low - nop - blx callee_thumb_high - bx lr - -// CHECK-ARM: Disassembly of section .R_ARM_CALL24_callee1: -// CHECK-NEXT-ARM: callee_low: -// CHECK-NEXT-ARM: b4: 1e ff 2f e1 bx lr - -// CHECK-THUMB: Disassembly of section .R_ARM_CALL24_callee2: -// CHECK-NEXT-THUMB: callee_thumb_low: -// CHECK-NEXT-THUMB: 100: 70 47 bx lr - -// CHECK-THUMB: Disassembly of section .caller: -// CHECK-THUMB: _start: -// Align(0x10000,4) - 0xff50 (65360) + 4 = 0xb4 = callee_low -// CHECK-NEXT-THUMB: 10000: f0 f7 58 e8 blx #-65360 -// CHECK-NEXT-THUMB: 10004: 00 bf nop -// Align(0x10006,4) - 0xff54 (65364) + 4 = 0xb4 = callee_low -// CHECK-NEXT-THUMB: 10006: f0 f7 56 e8 blx #-65364 -// CHECK-NEXT-THUMB: 1000a: 00 bf nop -// Align(0x1000c,4) + 0xf0 (240) + 4 = 0x10100 = callee_high -// CHECK-NEXT-THUMB: 1000c: 00 f0 78 e8 blx #240 -// CHECK-NEXT-THUMB: 10010: 00 bf nop -// Align(0x10012,4) + 0xec (236) + 4 = 0x10100 = callee_high -// CHECK-NEXT-THUMB: 10012: 00 f0 76 e8 blx #236 -// CHECK-NEXT-THUMB: 10016: 00 bf nop -// Align(0x10018,4) + 0xfffffc (16777212) = 0x1010018 = blx_far -// CHECK-NEXT-THUMB: 10018: ff f3 fe c7 blx #16777212 -// CHECK-NEXT-THUMB: 1001c: 00 bf nop -// Align(0x1001e,4) + 0xfffff8 (16777208) = 0x1010018 = blx_far -// CHECK-NEXT-THUMB: 1001e: ff f3 fc c7 blx #16777208 -// CHECK-NEXT-THUMB: 10022: 00 bf nop -// 10024 - 0xff28 (65320) + 4 = 0x100 = callee_thumb_low -// CHECK-NEXT-THUMB: 10024: f0 f7 6c f8 bl #-65320 -// CHECK-NEXT-THUMB: 10028: 00 bf nop -// 1002a + 0x1d2 (466) + 4 = 0x10200 = callee_thumb_high -// CHECK-NEXT-THUMB: 1002a: 00 f0 e9 f8 bl #466 -// CHECK-NEXT-THUMB: 1002e: 70 47 bx lr - - -// CHECK-ARM: Disassembly of section .R_ARM_CALL24_callee3: -// CHECK-NEXT-ARM: callee_high: -// CHECK-NEXT-ARM: 10100: 1e ff 2f e1 bx lr - -// CHECK: Disassembly of section .R_ARM_CALL24_callee4: -// CHECK-NEXT-THUMB:callee_thumb_high: -// CHECK-NEXT-THUMB: 10200: 70 47 bx lr |