aboutsummaryrefslogtreecommitdiff
path: root/gcc/doc/tm.texi.in
diff options
context:
space:
mode:
authorBernd Schmidt <bernds@codesourcery.com>2011-05-25 12:11:42 +0000
committerBernd Schmidt <bernds@gcc.gnu.org>2011-05-25 12:11:42 +0000
commitcdbf45414aecd8ec143a0f2634ba7c53b11053ca (patch)
tree76324632de5089be2fc6b436d8ac4682fc89b374 /gcc/doc/tm.texi.in
parentf242c0a5c0415bda56f33a13ef65e962ac995797 (diff)
downloadgcc-cdbf45414aecd8ec143a0f2634ba7c53b11053ca.zip
gcc-cdbf45414aecd8ec143a0f2634ba7c53b11053ca.tar.gz
gcc-cdbf45414aecd8ec143a0f2634ba7c53b11053ca.tar.bz2
libgcc2.h (__NW, __NDW): Define using a __gnu_ prefix if LIBGCC2_GNU_PREFIX is defined.
gcc/ * libgcc2.h (__NW, __NDW): Define using a __gnu_ prefix if LIBGCC2_GNU_PREFIX is defined. (__N): New macro. (__powisf2, __powidf2, __powitf2, __powixf2, __bswapsi2, __bswapdi2, __mulsc3, __muldc3, __mulxc3, __multc3, __divsc3, __divdc3, __divxc3, __divtc3, __udiv_w_sdiv, __clear_cache, __enable_execute_stack, __clz_tab): Define using __N. (__absvsi2, __negvsi2, __addvsi3, __subvsi3, __mulvsi3): Likewise if COMPAT_SIMODE_TRAPPING_ARITHMETIC. * target.def (libfunc_gnu_prefix): New hook. * doc/tm.texi.in (LIBGCC2_GNU_PREFIX): Document. (TARGET_LIBFUNC_GNU_PREFIX): Add hook. * doc/tm.texi: Regenerate. * system.h (LIBGCC2_GNU_PREFIX): Poison. * optabs.c (gen_libfunc): Take the libfunc_gnu_prefix hook into account. (gen_interclass_conv_libfunc, gen_intraclass_conv_libfunc): Likewise. (init_optabs): Likewise for the bswap libfuncs. * tree.c (build_common_builtin_nodes): Likewise for complex multiply and divide. * config/t-slibgcc-elf-ver (SHLIB_MAPFILES): Use $$(libgcc_objdir). * config/t-slibgcc-sld (SHLIB_MAPFILES): Likewise. * libgcc-std.ver: Remove. * Makefile.in (srcdirify): Handle $$(libgcc_objdir). * config/frv/t-linux (SHLIB_MAPFILES): Use $$(libgcc_objdir) for libgcc-std.ver. * config/i386/t-linux (SHLIB_MAPFILES): Likewise. * config/mips/t-slibgcc-irix (SHLIB_MAPFILES): Likewise. * config/rs6000/t-aix43 (SHLIB_MAPFILES): Likewise. * config/rs6000/t-aix52 (SHLIB_MAPFILES): Likewise. * config/sparc/t-linux (SHLIB_MAPFILES): Likewise. * config/i386/t-linux (SHLIB_MAPFILES): Likewise. * config/i386/t-linux (SHLIB_MAPFILES): Likewise. * config/fixed-bit.h (FIXED_OP): Define differently depending on LIBGCC2_GNU_PREFIX. All uses changed not to pass leading underscores. (FIXED_CONVERT_OP, FIXED_CONVERT_OP2): Likewise. libgcc/ * libgcc-std.ver.in: New file. * Makefile.in (LIBGCC_VER_GNU_PREFIX, LIBGCC_VER_SYMBOLS_PREFIX): New variables. (libgcc-std.ver): New rule. * config/t-gnu-prefix: New file. From-SVN: r174187
Diffstat (limited to 'gcc/doc/tm.texi.in')
-rw-r--r--gcc/doc/tm.texi.in11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in
index d31e5e3..ab0b39b 100644
--- a/gcc/doc/tm.texi.in
+++ b/gcc/doc/tm.texi.in
@@ -1571,6 +1571,15 @@ anyway. If you don't define this and @code{LIBGCC2_LONG_DOUBLE_TYPE_SIZE}
is 128 then the default is 1, otherwise it is 0.
@end defmac
+@defmac LIBGCC2_GNU_PREFIX
+This macro corresponds to the @code{TARGET_LIBFUNC_GNU_PREFIX} target
+hook and should be defined if that hook is overriden to be true. It
+causes function names in libgcc to be changed to use a @code{__gnu_}
+prefix for their name rather than the default @code{__}. A port which
+uses this macro should also arrange to use @file{t-gnu-prefix} in
+the libgcc @file{config.host}.
+@end defmac
+
@defmac SF_SIZE
@defmacx DF_SIZE
@defmacx XF_SIZE
@@ -5197,6 +5206,8 @@ library routines.
The default is to do nothing. Most ports don't need to define this hook.
@end deftypefn
+@hook TARGET_LIBFUNC_GNU_PREFIX
+
@defmac FLOAT_LIB_COMPARE_RETURNS_BOOL (@var{mode}, @var{comparison})
This macro should return @code{true} if the library routine that
implements the floating point comparison operator @var{comparison} in