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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gold/] [testsuite/] [thumb_blx_out_of_range.s] - Rev 147
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# thumb_blx_out_of_range.s # Test THUMB/THUMB-2 blx instructions just out of the branch range limits. .syntax unified .section .text.pre,"x" # Add padding so that target is just output of branch range. .space 4 .global _forward_target .global _backward_target .type _backword_target, %function _backward_target: bx lr .size _backward_target, .-_backward_target .text # Use 256-byte alignment so that we know where the stubs start. .align 8 # Define _start so that linker does not complain. .align 2 .global _start .code 32 .type _start, %function _start: bx lr .size _start, .-_start .global _backward_test .code 16 .thumb_func .type _backward_test, %function _backward_test: bl _backward_target .size _backward_test, .-_backward_test .align 2 .global _forward_test .code 16 .thumb_func .type _forward_test, %function _forward_test: # Bit 1 of the BLX target comes from bit 1 of branch base address, # which is BLX instruction's address + 4. We intentionally put this # forward BLX at an address n*4 + 2 so that the branch offset is # bumped up by 2. nop.n bl _forward_target .size _forward_test, .-_forward_test # switch back to ARM mode so that stubs are disassembled correctly. .code 32 nop .section .text.post,"x" # Add padding so that target is just out of branch range. .space 12 .align 2 .code 32 .global _forward_target .type _forward_target, %function _forward_target: bx lr .size _forward_target, .-_forward_target
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