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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / d03f1581c8a854fdbe4f5a738e9322341c2bc77f / . / lib / Target / X86 / X86TargetAsmInfo.cpp
blob: 93596c04b46729d7cde960ca4d90ebf3af38a935 [file] [log] [blame]
Jim Laskey8e8de8f2006-09-07 22:05:02 +0000[diff] [blame]1//===-- X86TargetAsmInfo.cpp - X86 asm properties ---------------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file was developed by James M. Laskey and is distributed under the
6// University of Illinois Open Source License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the declarations of the X86TargetAsmInfo properties.
11//
12//===----------------------------------------------------------------------===//
13
14#include "X86TargetAsmInfo.h"
15#include "X86TargetMachine.h"
16#include "X86Subtarget.h"
17
18using namespace llvm;
19
20X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) {
21 const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
22
Chris Lattnerafbfded2006-10-05 02:43:52 +0000[diff] [blame]23 // FIXME - Should be simplified.
Jim Laskey8e8de8f2006-09-07 22:05:02 +0000[diff] [blame]24
25 switch (Subtarget->TargetType) {
26 case X86Subtarget::isDarwin:
27 AlignmentIsInBytes = false;
28 GlobalPrefix = "_";
Evan Cheng25ab6902006-09-08 06:48:29 +0000[diff] [blame]29 if (!Subtarget->is64Bit())
30 Data64bitsDirective = 0; // we can't emit a 64-bit unit
Jim Laskey8e8de8f2006-09-07 22:05:02 +0000[diff] [blame]31 ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
32 PrivateGlobalPrefix = "L"; // Marker for constant pool idxs
33 ConstantPoolSection = "\t.const\n";
Chris Lattnerafbfded2006-10-05 02:43:52 +0000[diff] [blame]34 JumpTableDataSection = "\t.const\n";
Evan Cheng8910c1c2006-10-26 19:18:18 +0000[diff] [blame]35 CStringSection = "\t.cstring";
Jim Laskey8e8de8f2006-09-07 22:05:02 +0000[diff] [blame]36 FourByteConstantSection = "\t.literal4\n";
37 EightByteConstantSection = "\t.literal8\n";
Evan Cheng25ab6902006-09-08 06:48:29 +0000[diff] [blame]38 if (Subtarget->is64Bit())
39 SixteenByteConstantSection = "\t.literal16\n";
Jim Laskey8e8de8f2006-09-07 22:05:02 +0000[diff] [blame]40 LCOMMDirective = "\t.lcomm\t";
41 COMMDirectiveTakesAlignment = false;
42 HasDotTypeDotSizeDirective = false;
43 StaticCtorsSection = ".mod_init_func";
44 StaticDtorsSection = ".mod_term_func";
45 InlineAsmStart = "# InlineAsm Start";
46 InlineAsmEnd = "# InlineAsm End";
47 SetDirective = "\t.set";
Chris Lattnera53115b2006-09-26 03:39:53 +0000[diff] [blame]48 UsedDirective = "\t.no_dead_strip\t";
Jim Laskey8e8de8f2006-09-07 22:05:02 +0000[diff] [blame]49
50 NeedsSet = true;
51 DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
52 DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
53 DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
54 DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
55 DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
56 DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
57 DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
58 DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
59 DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
60 DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
61 DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
62 break;
Reid Spencer02b85112006-10-30 22:32:30 +0000[diff] [blame]63
64 case X86Subtarget::isELF:
65 // Set up DWARF directives
66 HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
67 // bool HasLEB128; // Defaults to false.
68 // hasDotLoc - True if target asm supports .loc directives.
69 // bool HasDotLoc; // Defaults to false.
70 // HasDotFile - True if target asm supports .file directives.
71 // bool HasDotFile; // Defaults to false.
72 PrivateGlobalPrefix = "."; // Prefix for private global symbols
73 DwarfRequiresFrameSection = false;
74 DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"\",@progbits";
75 DwarfInfoSection = "\t.section\t.debug_info,\"\",@progbits";
76 DwarfLineSection = "\t.section\t.debug_line,\"\",@progbits";
77 DwarfFrameSection = "\t.section\t.debug_frame,\"\",@progbits";
78 DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"\",@progbits";
79 DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"\",@progbits";
80 DwarfStrSection = "\t.section\t.debug_str,\"\",@progbits";
81 DwarfLocSection = "\t.section\t.debug_loc,\"\",@progbits";
82 DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
83 DwarfRangesSection = "\t.section\t.debug_ranges,\"\",@progbits";
84 DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
85 break;
86
Jim Laskey8e8de8f2006-09-07 22:05:02 +0000[diff] [blame]87 case X86Subtarget::isCygwin:
88 GlobalPrefix = "_";
89 COMMDirectiveTakesAlignment = false;
90 HasDotTypeDotSizeDirective = false;
91 StaticCtorsSection = "\t.section .ctors,\"aw\"";
92 StaticDtorsSection = "\t.section .dtors,\"aw\"";
93 break;
94 case X86Subtarget::isWindows:
95 GlobalPrefix = "_";
96 HasDotTypeDotSizeDirective = false;
97 break;
98 default: break;
99 }
100
101 if (Subtarget->isFlavorIntel()) {
102 GlobalPrefix = "_";
103 CommentString = ";";
104
105 PrivateGlobalPrefix = "$";
106 AlignDirective = "\talign\t";
107 ZeroDirective = "\tdb\t";
108 ZeroDirectiveSuffix = " dup(0)";
109 AsciiDirective = "\tdb\t";
110 AscizDirective = 0;
111 Data8bitsDirective = "\tdb\t";
112 Data16bitsDirective = "\tdw\t";
113 Data32bitsDirective = "\tdd\t";
114 Data64bitsDirective = "\tdq\t";
115 HasDotTypeDotSizeDirective = false;
116
117 TextSection = "_text";
118 DataSection = "_data";
119 SwitchToSectionDirective = "";
120 TextSectionStartSuffix = "\tsegment 'CODE'";
121 DataSectionStartSuffix = "\tsegment 'DATA'";
122 SectionEndDirectiveSuffix = "\tends\n";
123 }
124}
Chris Lattnerafbfded2006-10-05 02:43:52 +0000[diff] [blame]125