| # Test v7 Thumb features for Thumb-only targets |
| # |
| # RUN: llvm-mc -triple=thumbv7m-linux-gnueabi -arm-add-build-attributes -filetype=obj -o %t_thumbv7m.o %s |
| # RUN: llvm-objdump -r %t_thumbv7m.o | FileCheck --check-prefix=CHECK-TYPE %s |
| # RUN: llvm-objdump --disassemble %t_thumbv7m.o | FileCheck --check-prefix=CHECK-INSTR %s |
| # RUN: llvm-jitlink -noexec -slab-address 0x76ff0000 -slab-allocate 10Kb \ |
| # RUN: -slab-page-size 4096 -abs ext_func=0x76bbe880 -abs ext_data=0x00001234 \ |
| # RUN: -check %s %t_thumbv7m.o |
| # |
| # RUN: llvm-mc -triple=thumbv7-linux-gnueabi -arm-add-build-attributes -filetype=obj -o %t_thumbv7.o %s |
| # RUN: llvm-objdump -r %t_thumbv7.o | FileCheck --check-prefix=CHECK-TYPE %s |
| # RUN: llvm-objdump --disassemble %t_thumbv7.o | FileCheck --check-prefix=CHECK-INSTR %s |
| # RUN: llvm-jitlink -noexec -slab-address 0x76ff0000 -slab-allocate 10Kb \ |
| # RUN: -slab-page-size 4096 -abs ext_func=0x76bbe880 -abs ext_data=0x00001234 \ |
| # RUN: -check %s %t_thumbv7.o |
| |
| .text |
| .syntax unified |
| |
| |
| # CHECK-TYPE: {{[0-9a-f]+}} R_ARM_THM_JUMP24 jump24_target |
| # CHECK-INSTR: <jump24_site>: |
| # CHECK-INSTR: f7ff bffe b.w |
| # b.w generates two implicit predicate operands as well, but they are trailing |
| # operands, so there is no need to adjust the operand index. |
| # jitlink-check: decode_operand(jump24_site, 0) = jump24_target - next_pc(jump24_site) |
| .globl jump24_site |
| .type jump24_site,%function |
| .p2align 1 |
| .code 16 |
| .thumb_func |
| jump24_site: |
| b.w jump24_target |
| .size jump24_site, .-jump24_site |
| |
| .globl jump24_target |
| .type jump24_target,%function |
| .p2align 1 |
| .code 16 |
| .thumb_func |
| jump24_target: |
| bx lr |
| .size jump24_target, .-jump24_target |
| |
| # CHECK-TYPE: {{[0-9a-f]+}} R_ARM_THM_MOVW_ABS_NC ext_data |
| # CHECK-INSTR: <movw>: |
| # CHECK-INSTR: f240 0000 movw r0, #0x0 |
| # jitlink-check: decode_operand(movw, 1) = ext_data[15:0] |
| .globl movw |
| .type movw,%function |
| .p2align 1 |
| .code 16 |
| .thumb_func |
| movw: |
| movw r0, :lower16:ext_data |
| .size movw, .-movw |
| |
| # CHECK-TYPE: {{[0-9a-f]+}} R_ARM_THM_MOVT_ABS ext_data |
| # CHECK-INSTR: <movt>: |
| # CHECK-INSTR: f2c0 0000 movt r0, #0x0 |
| # We decode the operand with index 2, because movt generates one leading implicit |
| # predicate operand that we have to skip in order to decode the ext_data operand |
| # jitlink-check: decode_operand(movt, 2) = ext_data[31:16] |
| .globl movt |
| .type movt,%function |
| .p2align 1 |
| .code 16 |
| .thumb_func |
| movt: |
| movt r0, :upper16:ext_data |
| .size movt, .-movt |
| |
| # CHECK-TYPE: {{[0-9a-f]+}} R_ARM_THM_MOVW_PREL_NC ext_func |
| # CHECK-INSTR: <movw_prel>: |
| # CHECK-INSTR: f240 0000 movw r0, #0x0 |
| # jitlink-check: decode_operand(movw_prel, 1) = (ext_func - movw_prel)[15:0] |
| .globl movw_prel |
| .type movw_prel,%function |
| .p2align 1 |
| .code 16 |
| .thumb_func |
| movw_prel: |
| movw r0, :lower16:ext_func - . |
| .size movw_prel, .-movw_prel |
| |
| # CHECK-TYPE: {{[0-9a-f]+}} R_ARM_THM_MOVT_PREL ext_func |
| # CHECK-INSTR: <movt_prel>: |
| # CHECK-INSTR: f2c0 0000 movt r0, #0x0 |
| # jitlink-check: decode_operand(movt_prel, 2) = (ext_func - movt_prel)[31:16] |
| .globl movt_prel |
| .type movt_prel,%function |
| .p2align 1 |
| .code 16 |
| .thumb_func |
| movt_prel: |
| movt r0, :upper16:ext_func - . |
| .size movt_prel, .-movt_prel |
| |
| # Empty main function for jitlink to be happy |
| .globl main |
| .type main,%function |
| .p2align 1 |
| .code 16 |
| .thumb_func |
| main: |
| bx lr |
| .size main, .-main |