1 # thumb_bl_out_of_range.s 2 # Test THUMB/THUMB-2 bl instructions just out of the branch range limits. 3 .syntax unified 4 5 .section .text.pre,"x" 6 7 # Add padding so that target is just output of branch range. 8 .space 6 9 10 .global _backward_target 11 .code 16 12 .thumb_func 13 .type _backword_target, %function 14 _backward_target: 15 bx lr 16 .size _backward_target, .-_backward_target 17 18 .text 19 # Use 256-byte alignment so that we know where the stubs start. 20 .align 8 21 22 # Define _start so that linker does not complain. 23 .global _start 24 .code 32 25 .align 2 26 .type _start, %function 27 _start: 28 bx lr 29 .size _start, .-_start 30 31 .global _backward_test 32 .code 16 33 .thumb_func 34 .type _backward_test, %function 35 _backward_test: 36 bl _backward_target 37 .size _backward_test, .-_backward_test 38 39 .global _forward_test 40 .code 16 41 .thumb_func 42 .type _forward_test, %function 43 _forward_test: 44 bl _forward_target 45 .size _forward_test, .-_forward_test 46 47 # switch back to ARM mode so that stubs are disassembled correctly. 48 .code 32 49 nop 50 51 .section .text.post,"x" 52 53 # Add padding so that target is just out of branch range. 54 .space 12 55 56 .global _forward_target 57 .code 16 58 .thumb_func 59 .type _forward_target, %function 60 _forward_target: 61 bx lr 62 .size _forward_target, .-_forward_target 63
