From 7ea12e5c3ad54da440c08f32da09534e63e515ca Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Fri, 5 Aug 2016 10:37:57 +0100 Subject: Fix the generation of alignment frags in code sections for AArch64. PR gas/20364 * config/tc-aarch64.c (s_ltorg): Change the mapping state after aligning the frag. (aarch64_init): Treat rs_align frags in code sections as containing code, not data. * testsuite/gas/aarch64/pr20364.s: New test. * testsuite/gas/aarch64/pr20364.d: New test driver. --- gas/testsuite/gas/aarch64/pr20364.d | 13 +++++++++++++ gas/testsuite/gas/aarch64/pr20364.s | 28 ++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100644 gas/testsuite/gas/aarch64/pr20364.d create mode 100644 gas/testsuite/gas/aarch64/pr20364.s (limited to 'gas/testsuite') diff --git a/gas/testsuite/gas/aarch64/pr20364.d b/gas/testsuite/gas/aarch64/pr20364.d new file mode 100644 index 0000000..babcff1 --- /dev/null +++ b/gas/testsuite/gas/aarch64/pr20364.d @@ -0,0 +1,13 @@ +# Check that ".align , " does not set the mapping state to DATA, causing unnecessary frag generation. +#name: PR20364 +#objdump: -d + +.*: file format .* + +Disassembly of section \.vectors: + +0+000 <.*>: + 0: d2800000 mov x0, #0x0 // #0 + 4: 94000000 bl 0 + 8: 17fffffe b 0 + diff --git a/gas/testsuite/gas/aarch64/pr20364.s b/gas/testsuite/gas/aarch64/pr20364.s new file mode 100644 index 0000000..594ad7c --- /dev/null +++ b/gas/testsuite/gas/aarch64/pr20364.s @@ -0,0 +1,28 @@ + .macro vector_base label + .section .vectors, "ax" + .align 11, 0 + \label: + .endm + + .macro vector_entry label + .section .vectors, "ax" + .align 7, 0 + \label: + .endm + + .macro check_vector_size since + .if (. - \since) > (32 * 4) + .error "Vector exceeds 32 instructions" + .endif + .endm + + .globl bl1_exceptions + +vector_base bl1_exceptions + +vector_entry SynchronousExceptionSP0 + mov x0, #0x0 + bl plat_report_exception + b SynchronousExceptionSP0 + check_vector_size SynchronousExceptionSP0 + -- cgit v1.1