//
// The LLVM Compiler Infrastructure
//
-// This file was developed by James M. Laskey and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
#include "ARMTargetAsmInfo.h"
-#include "ARMTargetMachine.h"
-#include <cstring>
-#include <cctype>
using namespace llvm;
-ARMTargetAsmInfo::ARMTargetAsmInfo(const ARMTargetMachine &TM) {
- const ARMSubtarget *Subtarget = &TM.getSubtarget<ARMSubtarget>();
- if (Subtarget->isTargetDarwin()) {
- GlobalPrefix = "_";
- PrivateGlobalPrefix = "L";
- BSSSection = 0; // no BSS section.
- ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
- SetDirective = "\t.set";
- WeakRefDirective = "\t.weak_reference\t";
- HiddenDirective = "\t.private_extern\t";
- ProtectedDirective = NULL;
- JumpTableDataSection = ".const";
- CStringSection = "\t.cstring";
- FourByteConstantSection = "\t.literal4\n";
- EightByteConstantSection = "\t.literal8\n";
- ReadOnlySection = "\t.const\n";
- HasDotTypeDotSizeDirective = false;
- if (TM.getRelocationModel() == Reloc::Static) {
- StaticCtorsSection = ".constructor";
- StaticDtorsSection = ".destructor";
- } else {
- StaticCtorsSection = ".mod_init_func";
- StaticDtorsSection = ".mod_term_func";
- }
-
- // In non-PIC modes, emit a special label before jump tables so that the
- // linker can perform more accurate dead code stripping.
- if (TM.getRelocationModel() != Reloc::PIC_) {
- // Emit a local label that is preserved until the linker runs.
- JumpTableSpecialLabelPrefix = "l";
- }
-
- NeedsSet = true;
- DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
- DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
- DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
- DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
- DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
- DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
- DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
- DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
- DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
- DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
- DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
- } else {
- PrivateGlobalPrefix = ".L";
- WeakRefDirective = "\t.weak\t";
- if (Subtarget->isAAPCS_ABI()) {
- StaticCtorsSection = "\t.section .init_array,\"aw\",%init_array";
- StaticDtorsSection = "\t.section .fini_array,\"aw\",%fini_array";
- } else {
- StaticCtorsSection = "\t.section .ctors,\"aw\",%progbits";
- StaticDtorsSection = "\t.section .dtors,\"aw\",%progbits";
- }
- TLSDataSection = "\t.section .tdata,\"awT\",%progbits";
- TLSBSSSection = "\t.section .tbss,\"awT\",%nobits";
- }
+const char *const llvm::arm_asm_table[] = {
+ "{r0}", "r0",
+ "{r1}", "r1",
+ "{r2}", "r2",
+ "{r3}", "r3",
+ "{r4}", "r4",
+ "{r5}", "r5",
+ "{r6}", "r6",
+ "{r7}", "r7",
+ "{r8}", "r8",
+ "{r9}", "r9",
+ "{r10}", "r10",
+ "{r11}", "r11",
+ "{r12}", "r12",
+ "{r13}", "r13",
+ "{r14}", "r14",
+ "{lr}", "lr",
+ "{sp}", "sp",
+ "{ip}", "ip",
+ "{fp}", "fp",
+ "{sl}", "sl",
+ "{memory}", "memory",
+ "{cc}", "cc",
+ 0,0
+};
+ARMDarwinTargetAsmInfo::ARMDarwinTargetAsmInfo() {
ZeroDirective = "\t.space\t";
- AlignmentIsInBytes = false;
- Data64bitsDirective = 0;
- CommentString = "@";
- DataSection = "\t.data";
- ConstantPoolSection = "\t.text\n";
- COMMDirectiveTakesAlignment = false;
- InlineAsmStart = "@ InlineAsm Start";
- InlineAsmEnd = "@ InlineAsm End";
- LCOMMDirective = "\t.lcomm\t";
- isThumb = Subtarget->isThumb();
+ ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
+ SetDirective = "\t.set\t";
+ ProtectedDirective = NULL;
+ HasDotTypeDotSizeDirective = false;
+ SupportsDebugInformation = true;
}
-/// ARM-specific version of TargetAsmInfo::getInlineAsmLength.
-unsigned ARMTargetAsmInfo::getInlineAsmLength(const char *Str) const {
- // Count the number of bytes in the asm.
- bool atInsnStart = true;
- unsigned Length = 0;
- for (; *Str; ++Str) {
- if (atInsnStart) {
- // Skip whitespace
- while (*Str && isspace(*Str) && *Str != '\n')
- Str++;
- // Skip label
- for (const char* p = Str; *p && !isspace(*p); p++)
- if (*p == ':') {
- Str = p+1;
- break;
- }
- // Ignore everything from comment char(s) to EOL
- if (strncmp(Str, CommentString, strlen(CommentString))==-0)
- atInsnStart = false;
- else {
- // An instruction
- atInsnStart = false;
- if (isThumb) {
- // BL and BLX <non-reg> are 4 bytes, all others 2.
- if ((*Str=='b' || *Str=='B') &&
- (*(Str+1)=='l' || *(Str+1)=='L')) {
- if (*(Str+2)=='x' || *(Str+2)=='X') {
- const char* p = Str+3;
- while (*p && isspace(*p))
- p++;
- if (*p == 'r' || *p=='R')
- Length += 2; // BLX reg
- else
- Length += 4; // BLX non-reg
- }
- else
- Length += 4; // BL
- } else
- Length += 2; // Thumb anything else
- }
- else
- Length += 4; // ARM
- }
- }
- if (*Str == '\n' || *Str == SeparatorChar)
- atInsnStart = true;
- }
- return Length;
+ARMELFTargetAsmInfo::ARMELFTargetAsmInfo() {
+ NeedsSet = false;
+ HasLEB128 = true;
+ AbsoluteDebugSectionOffsets = true;
+ PrivateGlobalPrefix = ".L";
+ WeakRefDirective = "\t.weak\t";
+ SetDirective = "\t.set\t";
+ DwarfRequiresFrameSection = false;
+
+ SupportsDebugInformation = true;
}
+
+// Instantiate default implementation.
+TEMPLATE_INSTANTIATION(class ARMTargetAsmInfo<DarwinTargetAsmInfo>);
+TEMPLATE_INSTANTIATION(class ARMTargetAsmInfo<TargetAsmInfo>);
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