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Another bunch of hacks for named sections support

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53315 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2008-07-09 13:26:52 +00:00
parent 1290ecf5b9
commit 7e7fc82cf3
2 changed files with 22 additions and 11 deletions
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3
include/llvm/Target/TargetAsmInfo.h
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@@ -53,8 +53,9 @@ namespace llvm {
TLS = 1 << 5, ///< Section contains thread-local data TLS = 1 << 5, ///< Section contains thread-local data
Debug = 1 << 6, ///< Section contains debug data Debug = 1 << 6, ///< Section contains debug data
Linkonce = 1 << 7, ///< Section is linkonce Linkonce = 1 << 7, ///< Section is linkonce
Named = 1 << 8, ///< Section is named TypeFlags = 0xFF,
// Some gap for future flags // Some gap for future flags
Named = 1 << 23, ///< Section is named
EntitySize = 0xFF << 24 ///< Entity size for mergeable sections EntitySize = 0xFF << 24 ///< Entity size for mergeable sections
}; };

28
lib/Target/X86/X86TargetAsmInfo.cpp
View File

@@ -323,8 +323,10 @@ X86DarwinTargetAsmInfo::SectionFlagsForGlobal(const GlobalValue *GV,
Type = C->getType(); Type = C->getType();
unsigned Size = TD->getABITypeSize(Type); unsigned Size = TD->getABITypeSize(Type);
if (Size > 16) { if (Size > 16 ||
// Too big for mergeable !(Flags & SectionFlags::Strings ||
(Size == 4 || Size == 8 || Size == 16))) {
// Not suitable for mergeable
Size = 0; Size = 0;
Flags &= ~SectionFlags::Mergeable; Flags &= ~SectionFlags::Mergeable;
} }
@@ -516,8 +518,12 @@ X86ELFTargetAsmInfo::SectionFlagsForGlobal(const GlobalValue *GV,
Type = C->getType(); Type = C->getType();
unsigned Size = TD->getABITypeSize(Type); unsigned Size = TD->getABITypeSize(Type);
if (Size > 16) { // FIXME: size check here ugly, and will hopefully have gone, when we will
// Too big for mergeable // have sane interface for attaching flags to sections.
if (Size > 16 ||
!(Flags & SectionFlags::Strings ||
(Size == 4 || Size == 8 || Size == 16))) {
// Not suitable for mergeable
Size = 0; Size = 0;
Flags &= ~SectionFlags::Mergeable; Flags &= ~SectionFlags::Mergeable;
} }
@@ -529,9 +535,11 @@ X86ELFTargetAsmInfo::SectionFlagsForGlobal(const GlobalValue *GV,
// Mark section as named, when needed (so, we we will need .section directive // Mark section as named, when needed (so, we we will need .section directive
// to switch into it). // to switch into it).
if (Flags & (SectionFlags::Mergeable | unsigned TypeFlags = Flags & SectionFlags::TypeFlags;
if (!TypeFlags /* Read-only section */ ||
(TypeFlags & (SectionFlags::Mergeable |
SectionFlags::TLS | SectionFlags::TLS |
SectionFlags::Linkonce)) SectionFlags::Linkonce)))
Flags |= SectionFlags::Named; Flags |= SectionFlags::Named;
return Flags; return Flags;
@@ -668,9 +676,11 @@ X86COFFTargetAsmInfo::SectionFlagsForGlobal(const GlobalValue *GV,
// Mark section as named, when needed (so, we we will need .section directive // Mark section as named, when needed (so, we we will need .section directive
// to switch into it). // to switch into it).
if (Flags & (SectionFlags::Mergeable || unsigned TypeFlags = Flags & SectionFlags::TypeFlags;
SectionFlags::TLS || if (!TypeFlags /* Read-only section */ ||
SectionFlags::Linkonce)) (TypeFlags & (SectionFlags::Mergeable |
SectionFlags::TLS |
SectionFlags::Linkonce)))
Flags |= SectionFlags::Named; Flags |= SectionFlags::Named;
return Flags; return Flags;