diff options
| -rw-r--r-- | lld/test/ELF/aarch64-cortex-a53-843419-address.s | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/lld/test/ELF/aarch64-cortex-a53-843419-address.s b/lld/test/ELF/aarch64-cortex-a53-843419-address.s index 43133d8f8bc..15b2022f3f4 100644 --- a/lld/test/ELF/aarch64-cortex-a53-843419-address.s +++ b/lld/test/ELF/aarch64-cortex-a53-843419-address.s @@ -7,31 +7,31 @@ // RUN: ld.lld --script %t.script -fix-cortex-a53-843419 -verbose %t.o -o %t2 | FileCheck %s // Test cases for Cortex-A53 Erratum 843419 that involve interactions -// between the generated patches and the address of sections +// between the generated patches and the address of sections. // See ARM-EPM-048406 Cortex_A53_MPCore_Software_Developers_Errata_Notice.pdf // for full erratum details. // In Summary // 1.) -// ADRP (0xff8 or 0xffc) +// ADRP (0xff8 or 0xffc). // 2.) -// - load or store single register or either integer or vector registers -// - STP or STNP of either vector or vector registers -// - Advanced SIMD ST1 store instruction -// Must not write Rn -// 3.) optional instruction, can't be a branch, must not write Rn, may read Rn +// - load or store single register or either integer or vector registers. +// - STP or STNP of either vector or vector registers. +// - Advanced SIMD ST1 store instruction. +// - Must not write Rn. +// 3.) optional instruction, can't be a branch, must not write Rn, may read Rn. // 4.) A load or store instruction from the Load/Store register unsigned -// immediate class using Rn as the base register +// immediate class using Rn as the base register. // An aarch64 section can contain ranges of literal data embedded within the // code, these ranges are encoded with mapping symbols. This tests that we -// can match the erratum sequence in code, but not data +// can match the erratum sequence in code, but not data. // - We can handle more than one patch per code range (denoted by mapping -// symbols) +// symbols). // - We can handle a patch in more than range of code, with literal data -// inbetween +// inbetween. // - We can handle redundant mapping symbols (two or more consecutive mapping -// symbols with the same type) +// symbols with the same type). // - We can ignore erratum sequences in multiple literal data ranges. // CHECK: detected cortex-a53-843419 erratum sequence starting at FF8 in unpatched output. @@ -47,10 +47,9 @@ t3_ff8_ldr: ldr x0, [x0, :got_lo12:dat] ret - // create a redundant mapping symbol as we are already in a $x range // some object producers unconditionally generate a mapping symbol on - // every symbol so we need to handle the case of $x $x + // every symbol so we need to handle the case of $x $x. .local $x.999 $x.999: // CHECK-NEXT: detected cortex-a53-843419 erratum sequence starting at 1FFC in unpatched output. @@ -63,7 +62,7 @@ t3_ffc_ldrsimd: ldr x2, [x0, :got_lo12:dat] ret -// Inline data containing bit pattern of erratum sequence, expect no patch +// Inline data containing bit pattern of erratum sequence, expect no patch. .globl t3_ffc_ldralldata .type t3_ff8_ldralldata, %function .space 4096 - 20 @@ -83,7 +82,7 @@ t3_ff8_ldralldata: .byte 0x00 .byte 0x40 .byte 0xf9 - // Check that we can recognise the erratum sequence post literal data + // Check that we can recognise the erratum sequence post literal data. // CHECK-NEXT: detected cortex-a53-843419 erratum sequence starting at 3FF8 in unpatched output. @@ -100,8 +99,8 @@ t3_ff8_ldralldata: .space 4096 - 12 // Start a new InputSectionDescription (see Linker Script) so the - // start address will be - // affected by any patches added to previous InputSectionDescription + // start address will be affected by any patches added to previous + // InputSectionDescription. // CHECK: detected cortex-a53-843419 erratum sequence starting at 4FFC in unpatched output. @@ -118,8 +117,8 @@ t3_ffc_str: // CHECK: detected cortex-a53-843419 erratum sequence starting at 5FF8 in unpatched output. // Start a new OutputSection (see Linker Script) so the - // start address will be - // affected by any patches added to previous InputSectionDescription + // start address will be affected by any patches added to previous + // InputSectionDescription. .section .newos, "ax", %progbits .globl t3_ff8_str .type t3_ff8_str, %function |
