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Emit ARM Build Attributes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72336 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-05-23 19:51:20 +00:00
parent 41a024385f
commit 88ce667003
2 changed files with 91 additions and 0 deletions
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64
lib/Target/ARM/ARMBuildAttrs.h Normal file
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@ -0,0 +1,64 @@
//===-------- ARMBuildAttrs.h - ARM Build Attributes ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains enumerations amd support routines for ARM build attributes
// as defined in ARM ABI addenda document (ABI release 2.07).
//
//===----------------------------------------------------------------------===//
#ifndef __TARGET_ARMBUILDATTRS_H__
#define __TARGET_ARMBUILDATTRS_H__
namespace ARMBuildAttrs {
enum {
File = 1,
Section = 2,
Symbol = 3,
CPU_raw_name = 4,
CPU_name = 5,
CPU_arch = 6,
CPU_arch_profile = 7,
ARM_ISA_use = 8,
THUMB_ISA_use = 9,
VFP_arch = 10,
WMMX_arch = 11,
Advanced_SIMD_arch = 12,
PCS_config = 13,
ABI_PCS_R9_use = 14,
ABI_PCS_RW_data = 15,
ABI_PCS_RO_data = 16,
ABI_PCS_GOT_use = 17,
ABI_PCS_wchar_t = 18,
ABI_FP_rounding = 19,
ABI_FP_denormal = 20,
ABI_FP_exceptions = 21,
ABI_FP_user_exceptions = 22,
ABI_FP_number_model = 23,
ABI_align8_needed = 24,
ABI_align8_preserved = 25,
ABI_enum_size = 26,
ABI_HardFP_use = 27,
ABI_VFP_args = 28,
ABI_WMMX_args = 29,
ABI_optimization_goals = 30,
ABI_FP_optimization_goals = 31,
compatibility = 32,
CPU_unaligned_access = 34,
VFP_HP_extension = 36,
ABI_FP_16bit_format = 38,
nodefaults = 64,
also_compatible_with = 65,
T2EE_use = 66,
conformance = 67,
Virtualization_use = 68,
MPextension_use = 70
};
}
#endif // __TARGET_ARMBUILDATTRS_H__

27
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
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@ -14,6 +14,7 @@
#define DEBUG_TYPE "asm-printer"
#include "ARM.h"
#include "ARMBuildAttrs.h"
#include "ARMTargetMachine.h"
#include "ARMAddressingModes.h"
#include "ARMConstantPoolValue.h"
@ -816,6 +817,32 @@ bool ARMAsmPrinter::doInitialization(Module &M) {
if (Subtarget->isTargetDarwin())
Mang->setUseQuotes(true);
// Emit ARM Build Attributes
if (Subtarget->isTargetELF()) {
// CPU Type
O << "\t.cpu " << Subtarget->getCPUString() << '\n';
// FIXME: Emit FPU type
if (Subtarget->hasVFP2())
O << "\t.eabi_attribute " << ARMBuildAttrs::VFP_arch << ", 2\n";
// Signal various FP modes.
if (!UnsafeFPMath)
O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_denormal << ", 1\n"
<< "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_exceptions << ", 1\n";
if (FiniteOnlyFPMath())
O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_number_model << ", 1\n";
else
O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_number_model << ", 3\n";
// 8-bytes alignment stuff.
O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_align8_needed << ", 1\n"
<< "\t.eabi_attribute " << ARMBuildAttrs::ABI_align8_preserved << ", 1\n";
// FIXME: Should we signal R9 usage?
}
return Result;
}