Summary:
Support "Sun Style" syntax for section switching ("#alloc,#write" etc).
https://bugs.llvm.org/show_bug.cgi?id=43759
Reviewers: peter.smith, eli.friedman, kristof.beyls, t.p.northover
Reviewed By: peter.smith
Subscribers: MaskRay, llozano, manojgupta, nickdesaulniers, kristof.beyls, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69296
const char *TPRel64Directive = nullptr;
/// This is true if this target uses "Sun Style" syntax for section switching
- /// ("#alloc,#write" etc) instead of the normal ELF syntax (,"a,w") in
+ /// ("#alloc,#write" etc) alongside the normal ELF syntax (,"a,w") in
/// .section directives. Defaults to false.
bool SunStyleELFSectionSwitchSyntax = false;
UseParensForSymbolVariant = true;
UseIntegratedAssembler = true;
+
+ // The GNU assembler supports Sun style section switching for Arm targets, and
+ // it is used in projects like the Linux kernel.
+ SunStyleELFSectionSwitchSyntax = true;
}
void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) {
--- /dev/null
+@ RUN: llvm-mc -filetype=obj -triple arm-linux-gnu %s -o - | llvm-readelf --sections | FileCheck %s
+
+@ CHECK: .f1 PROGBITS 00000000 000034 000000 00 A 0 0 1
+.section ".f1", #alloc
+
+@ CHECK: .f2 PROGBITS 00000000 000034 000000 00 W 0 0 1
+.section ".f2", #write
+
+@ CHECK: .f3 PROGBITS 00000000 000034 000000 00 A 0 0 1
+.section ".f3", "a"
+
+@ CHECK: .f4 PROGBITS 00000000 000034 000000 00 W 0 0 1
+.section ".f4", "w"