// REQUIRES: arm // RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf --arm-add-build-attributes %s -o %t.o // RUN: ld.lld --fix-cortex-a8 -verbose %t.o -o /dev/null 2>&1 | FileCheck %s /// Test that we warn, but don't attempt to patch when it is impossible to /// redirect the branch as the Section is too large. // CHECK: skipping cortex-a8 657417 erratum sequence, section .text is too large to patch // CHECK: skipping cortex-a8 657417 erratum sequence, section .text.02 is too large to patch .syntax unified .thumb /// Case 1: 1 MiB conditional branch range without relocation. .text .global _start .type _start, %function .balign 4096 .thumb_func _start: nop.w .space 4086 .thumb_func .global target .type target, %function target: /// 32-bit Branch spans 2 4KiB regions, preceded by a 32-bit non branch /// instruction, a patch will be attempted. Unfortunately the branch /// cannot reach outside the section so we have to abort the patch. nop.w beq.w target .space 1024 * 1024 /// Case 2: 16 MiB .section .text.01, "ax", %progbits .balign 4096 .space 4090 .global target2 .thumb_func target2: .section .text.02, "ax", %progbits /// 32-bit Branch and link spans 2 4KiB regions, preceded by a 32-bit /// non branch instruction, a patch will be be attempted. Unfortunately the /// the BL cannot reach outside the section so we have to abort the patch. nop.w bl target2 .space 16 * 1024 * 1024