1 //===-- ARMMCAsmInfo.cpp - ARM asm properties -------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file contains the declarations of the ARMMCAsmInfo properties.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "ARMMCAsmInfo.h"
15 #include "llvm/Support/CommandLine.h"
16 
17 using namespace llvm;
18 
19 cl::opt<bool>
20 EnableARMEHABI("arm-enable-ehabi", cl::Hidden,
21   cl::desc("Generate ARM EHABI tables"),
22   cl::init(false));
23 
24 
25 static const char *const arm_asm_table[] = {
26   "{r0}", "r0",
27   "{r1}", "r1",
28   "{r2}", "r2",
29   "{r3}", "r3",
30   "{r4}", "r4",
31   "{r5}", "r5",
32   "{r6}", "r6",
33   "{r7}", "r7",
34   "{r8}", "r8",
35   "{r9}", "r9",
36   "{r10}", "r10",
37   "{r11}", "r11",
38   "{r12}", "r12",
39   "{r13}", "r13",
40   "{r14}", "r14",
41   "{lr}", "lr",
42   "{sp}", "sp",
43   "{ip}", "ip",
44   "{fp}", "fp",
45   "{sl}", "sl",
46   "{memory}", "memory",
47   "{cc}", "cc",
48   0,0
49 };
50 
51 ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin() {
52   AsmTransCBE = arm_asm_table;
53   Data64bitsDirective = 0;
54   CommentString = "@";
55   Code16Directive = ".code\t16";
56   Code32Directive = ".code\t32";
57 
58   SupportsDebugInformation = true;
59 
60   // Exceptions handling
61   ExceptionsType = ExceptionHandling::SjLj;
62 }
63 
64 ARMELFMCAsmInfo::ARMELFMCAsmInfo() {
65   // ".comm align is in bytes but .align is pow-2."
66   AlignmentIsInBytes = false;
67 
68   Data64bitsDirective = 0;
69   CommentString = "@";
70   PrivateGlobalPrefix = ".L";
71   Code16Directive = ".code\t16";
72   Code32Directive = ".code\t32";
73 
74   WeakRefDirective = "\t.weak\t";
75   LCOMMDirectiveType = LCOMM::NoAlignment;
76 
77   HasLEB128 = true;
78   SupportsDebugInformation = true;
79 
80   // Exceptions handling
81   if (EnableARMEHABI)
82     ExceptionsType = ExceptionHandling::ARM;
83 }
84