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Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 0fcf8069b8c..f841527f971 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -52,6 +52,7 @@ through the macros defined in the @file{.h} file. * MIPS Coprocessors:: MIPS coprocessor support and how to customize it. * PCH Target:: Validity checking for precompiled headers. * C++ ABI:: Controlling C++ ABI changes. +* D Language and ABI:: Controlling D ABI changes. * Named Address Spaces:: Adding support for named address spaces * Misc:: Everything else. @end menu @@ -106,6 +107,14 @@ documented as ``Common Target Hook''. This is declared in @code{target_has_targetm_common=yes} in @file{config.gcc}; otherwise a default definition is used. +Similarly, there is a @code{targetdm} variable for hooks that are +specific to the D language front end, documented as ``D Target Hook''. +This is declared in @file{d/d-target.h}, the initializer +@code{TARGETDM_INITIALIZER} in @file{d/d-target-def.h}. If targets +initialize @code{targetdm} themselves, they should set +@code{target_has_targetdm=yes} in @file{config.gcc}; otherwise a default +definition is used. + @node Driver @section Controlling the Compilation Driver, @file{gcc} @cindex driver @@ -10667,6 +10676,29 @@ unloaded. The default is to return false. Return target-specific mangling context of @var{decl} or @code{NULL_TREE}. @end deftypefn +@node D Language and ABI +@section D ABI parameters +@cindex parameters, d abi + +@deftypefn {D Target Hook} void TARGET_D_CPU_VERSIONS (void) +Declare all environmental version identifiers relating to the target CPU +using the function @code{builtin_version}, which takes a string representing +the name of the version. Version identifiers predefined by this hook apply +to all modules that are being compiled and imported. +@end deftypefn + +@deftypefn {D Target Hook} void TARGET_D_OS_VERSIONS (void) +Similarly to @code{TARGET_D_CPU_VERSIONS}, but is used for versions +relating to the target operating system. +@end deftypefn + +@deftypefn {D Target Hook} unsigned TARGET_D_CRITSEC_SIZE (void) +Returns the size of the data structure used by the target operating system +for critical sections and monitors. For example, on Microsoft Windows this +would return the @code{sizeof(CRITICAL_SECTION)}, while other platforms that +implement pthreads would return @code{sizeof(pthread_mutex_t)}. +@end deftypefn + @node Named Address Spaces @section Adding support for named address spaces @cindex named address spaces |