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Rename some macros based on the PR review comments.

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- use  the SWIFT prefix for all macros
- make names of some macros shorter
This commit is contained in:
Roman Levenstein
2016-02-18 15:03:46 -08:00
parent de3b850ce8
commit 99fd8b6080
13 changed files with 246 additions and 237 deletions
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59
include/swift/Runtime/Config.h
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@@ -67,16 +67,16 @@
// Annotation for specifying a calling convention of
// a runtime function. It should be used with declarations
// of runtime functions like this:
// void runtime_function_name() CALLING_CONVENTION(RegisterPreservingCC)
#define CALLING_CONVENTION(CC) CALLING_CONVENTION_##CC
// void runtime_function_name() SWIFT_CC(RegisterPreservingCC)
#define SWIFT_CC(CC) SWIFT_CC_##CC
#define CALLING_CONVENTION_preserve_most __attribute__((preserve_most))
#define CALLING_CONVENTION_preserve_all __attribute__((preserve_all))
#define CALLING_CONVENTION_c
#define SWIFT_CC_preserve_most __attribute__((preserve_most))
#define SWIFT_CC_preserve_all __attribute__((preserve_all))
#define SWIFT_CC_c
// Map a logical calling convention (e.g. RegisterPreservingCC) to LLVM calling
// convention.
#define LLVM_CC(CC) LLVM_CC_##CC
#define SWIFT_LLVM_CC(CC) SWIFT_LLVM_CC_##CC
// Currently, RuntimeFunction.def uses the following calling conventions:
// DefaultCC, RegisterPreservingCC.
@@ -84,14 +84,14 @@
// here to something appropriate.
// DefaultCC is usually the standard C calling convention.
#define CALLING_CONVENTION_DefaultCC CALLING_CONVENTION_c
#define CALLING_CONVENTION_DefaultCC_IMPL CALLING_CONVENTION_c
#define LLVM_CC_DefaultCC llvm::CallingConv::C
#define SWIFT_CC_DefaultCC SWIFT_CC_c
#define SWIFT_CC_DefaultCC_IMPL SWIFT_CC_c
#define SWIFT_LLVM_CC_DefaultCC llvm::CallingConv::C
// If defined, it indicates that runtime function wrappers
// should be used on all platforms, even they do not support
// the new calling convention which requires this.
#define RT_USE_WRAPPERS_ALWAYS 1
#define SWIFT_RT_USE_WRAPPERS_ALWAYS 1
// If defined, it indicates that this calling convention is
// supported by the currnet target.
@@ -114,23 +114,24 @@
// linker may clobber some of the callee-saved registers defined by
// this new calling convention when it performs lazy binding of
// runtime functions using this new calling convention.
#define CALLING_CONVENTION_RegisterPreservingCC CALLING_CONVENTION_preserve_most
#define CALLING_CONVENTION_RegisterPreservingCC_IMPL \
CALLING_CONVENTION_preserve_most
#define LLVM_CC_RegisterPreservingCC llvm::CallingConv::PreserveMost
#define SWIFT_CC_RegisterPreservingCC \
SWIFT_CC_preserve_most
#define SWIFT_CC_RegisterPreservingCC_IMPL \
SWIFT_CC_preserve_most
#define SWIFT_LLVM_CC_RegisterPreservingCC llvm::CallingConv::PreserveMost
// Indicate that wrappers should be used, because it is required
// for the calling convention to get around dynamic linking issues.
#define RT_USE_WRAPPERS 1
#define SWIFT_RT_USE_WRAPPERS 1
#else
// Targets not supporting the dedicated runtime calling convention
// should use the standard calling convention instead.
// No wrappers are required in this case by the calling convention.
#define CALLING_CONVENTION_RegisterPreservingCC CALLING_CONVENTION_c
#define CALLING_CONVENTION_RegisterPreservingCC_IMPL CALLING_CONVENTION_c
#define LLVM_CC_RegisterPreservingCC llvm::CallingConv::C
#define SWIFT_CC_RegisterPreservingCC SWIFT_CC_c
#define SWIFT_CC_RegisterPreservingCC_IMPL SWIFT_CC_c
#define SWIFT_LLVM_CC_RegisterPreservingCC llvm::CallingConv::C
#endif
@@ -139,40 +140,40 @@
// Generates a name of the runtime enrty's implementation by
// adding an underscore as a prefix and a suffix.
#define RT_ENTRY_IMPL(Name) _##Name##_
#define SWIFT_RT_ENTRY_IMPL(Name) _##Name##_
// Library internal way to invoke the implementation of a runtime entry.
// E.g. a runtime function may be called internally via its public API
// or via the function pointer.
#define RT_ENTRY_CALL(Name) Name
#define SWIFT_RT_ENTRY_CALL(Name) Name
// Name of the symbol holding a reference to the
// implementation of a runtime entry.
#define RT_ENTRY_REF(Name) _##Name
#define SWIFT_RT_ENTRY_REF(Name) _##Name
// String representation of the symbol's name.
#define RT_ENTRY_REF_AS_STR(Name) "_" #Name
#define SWIFT_RT_ENTRY_REF_AS_STR(Name) "_" #Name
#if defined(RT_USE_WRAPPERS_ALWAYS)
#define RT_USE_WRAPPERS
#if defined(SWIFT_RT_USE_WRAPPERS_ALWAYS)
#define SWIFT_RT_USE_WRAPPERS
#endif
#if defined(RT_USE_WRAPPERS)
#if defined(SWIFT_RT_USE_WRAPPERS)
// Both the runtime functions and their implementation are hidden and
// can be directly referenced only inside the runtime library.
// User code can access these runtime entries only indirectly
// via a global function pointer.
#define RT_ENTRY_VISIBILITY LLVM_LIBRARY_VISIBILITY
#define RT_ENTRY_IMPL_VISIBILITY LLVM_LIBRARY_VISIBILITY
#define SWIFT_RT_ENTRY_VISIBILITY LLVM_LIBRARY_VISIBILITY
#define SWIFT_RT_ENTRY_IMPL_VISIBILITY LLVM_LIBRARY_VISIBILITY
#else
// Runtime functions are exported, because it should be possible
// to invoke them directly from the user code. But internal
// implementations of runtime functions do not need to be exported.
#define RT_ENTRY_VISIBILITY SWIFT_RUNTIME_EXPORT
#define RT_ENTRY_IMPL_VISIBILITY LLVM_LIBRARY_VISIBILITY
#define SWIFT_RT_ENTRY_VISIBILITY SWIFT_RUNTIME_EXPORT
#define SWIFT_RT_ENTRY_IMPL_VISIBILITY LLVM_LIBRARY_VISIBILITY
#endif