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Add a new scope type "LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN" for the

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"linker_private_weak_auto_def" linkage type for LTO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114868 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2010-09-27 20:17:45 +00:00
parent 3b9569e70d
commit 7afea0cfc4
2 changed files with 26 additions and 25 deletions
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35
include/llvm-c/lto.h
View File

@ -20,25 +20,26 @@
#include <stddef.h>
#include "llvm/System/DataTypes.h"
#define LTO_API_VERSION 3
#define LTO_API_VERSION 4
typedef enum {
LTO_SYMBOL_ALIGNMENT_MASK = 0x0000001F, /* log2 of alignment */
LTO_SYMBOL_PERMISSIONS_MASK = 0x000000E0,
LTO_SYMBOL_PERMISSIONS_CODE = 0x000000A0,
LTO_SYMBOL_PERMISSIONS_DATA = 0x000000C0,
LTO_SYMBOL_PERMISSIONS_RODATA = 0x00000080,
LTO_SYMBOL_DEFINITION_MASK = 0x00000700,
LTO_SYMBOL_DEFINITION_REGULAR = 0x00000100,
LTO_SYMBOL_DEFINITION_TENTATIVE = 0x00000200,
LTO_SYMBOL_DEFINITION_WEAK = 0x00000300,
LTO_SYMBOL_DEFINITION_UNDEFINED = 0x00000400,
LTO_SYMBOL_DEFINITION_WEAKUNDEF = 0x00000500,
LTO_SYMBOL_SCOPE_MASK = 0x00003800,
LTO_SYMBOL_SCOPE_INTERNAL = 0x00000800,
LTO_SYMBOL_SCOPE_HIDDEN = 0x00001000,
LTO_SYMBOL_SCOPE_PROTECTED = 0x00002000,
LTO_SYMBOL_SCOPE_DEFAULT = 0x00001800
LTO_SYMBOL_ALIGNMENT_MASK = 0x0000001F, /* log2 of alignment */
LTO_SYMBOL_PERMISSIONS_MASK = 0x000000E0,
LTO_SYMBOL_PERMISSIONS_CODE = 0x000000A0,
LTO_SYMBOL_PERMISSIONS_DATA = 0x000000C0,
LTO_SYMBOL_PERMISSIONS_RODATA = 0x00000080,
LTO_SYMBOL_DEFINITION_MASK = 0x00000700,
LTO_SYMBOL_DEFINITION_REGULAR = 0x00000100,
LTO_SYMBOL_DEFINITION_TENTATIVE = 0x00000200,
LTO_SYMBOL_DEFINITION_WEAK = 0x00000300,
LTO_SYMBOL_DEFINITION_UNDEFINED = 0x00000400,
LTO_SYMBOL_DEFINITION_WEAKUNDEF = 0x00000500,
LTO_SYMBOL_SCOPE_MASK = 0x00003800,
LTO_SYMBOL_SCOPE_INTERNAL = 0x00000800,
LTO_SYMBOL_SCOPE_HIDDEN = 0x00001000,
LTO_SYMBOL_SCOPE_PROTECTED = 0x00002000,
LTO_SYMBOL_SCOPE_DEFAULT = 0x00001800,
LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN = 0x00002800
} lto_symbol_attributes;
typedef enum {

16
tools/lto/LTOModule.cpp
View File

@ -327,24 +327,24 @@ void LTOModule::addDefinedSymbol(GlobalValue *def, Mangler &mangler,
// set definition part
if (def->hasWeakLinkage() || def->hasLinkOnceLinkage() ||
def->hasLinkerPrivateWeakLinkage() ||
def->hasLinkerPrivateWeakDefAutoLinkage()) {
def->hasLinkerPrivateWeakDefAutoLinkage())
attr |= LTO_SYMBOL_DEFINITION_WEAK;
}
else if (def->hasCommonLinkage()) {
else if (def->hasCommonLinkage())
attr |= LTO_SYMBOL_DEFINITION_TENTATIVE;
}
else {
else
attr |= LTO_SYMBOL_DEFINITION_REGULAR;
}
// set scope part
if (def->hasHiddenVisibility())
attr |= LTO_SYMBOL_SCOPE_HIDDEN;
else if (def->hasProtectedVisibility())
attr |= LTO_SYMBOL_SCOPE_PROTECTED;
else if (def->hasExternalLinkage() || def->hasWeakLinkage()
|| def->hasLinkOnceLinkage() || def->hasCommonLinkage())
else if (def->hasExternalLinkage() || def->hasWeakLinkage() ||
def->hasLinkOnceLinkage() || def->hasCommonLinkage() ||
def->hasLinkerPrivateWeakLinkage())
attr |= LTO_SYMBOL_SCOPE_DEFAULT;
else if (def->hasLinkerPrivateWeakDefAutoLinkage())
attr |= LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN;
else
attr |= LTO_SYMBOL_SCOPE_INTERNAL;