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author | Jeffrey A Law <law@cygnus.com> | 1999-06-11 03:12:22 +0000 |
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committer | Jeff Law <law@gcc.gnu.org> | 1999-06-10 21:12:22 -0600 |
commit | 657be7aff1202e2422538818aa6c20ad88a64766 (patch) | |
tree | f0e3f6432b8d16aa10539efd68881ddfbc6b6876 /gcc | |
parent | 2fdf4c3e97a23e8fb59542568f5536bcf05ac188 (diff) | |
download | gcc-657be7aff1202e2422538818aa6c20ad88a64766.zip gcc-657be7aff1202e2422538818aa6c20ad88a64766.tar.gz gcc-657be7aff1202e2422538818aa6c20ad88a64766.tar.bz2 |
Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
* Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
* libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
initializers is some circumstances.
From-SVN: r27489
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 4 | ||||
-rw-r--r-- | gcc/Makefile.in | 5 | ||||
-rw-r--r-- | gcc/libgcc2.c | 21 |
3 files changed, 23 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4d818f6..ce58938 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com) + * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument. + * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide + initializers is some circumstances. + * fixinc/inclhack.def (endif_label): Add additional selector for more bogus stuff after #endif statements. * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt. diff --git a/gcc/Makefile.in b/gcc/Makefile.in index 20b832a..3b79e41 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -393,6 +393,9 @@ EXTRA_HEADERS =@extra_headers_list@ # Set this to `collect2' to enable use of collect2. USE_COLLECT2 = @will_use_collect2@ +# If we might be using collect2, then this variable will be set to +# -DUSE_COLLECT2. toplev.c, collect2.c and libgcc2.c all need to +# if we may be using collect2. MAYBE_USE_COLLECT2 = @maybe_use_collect2@ # It is convenient for configure to add the assignment at the beginning, # so don't override it here. @@ -1067,7 +1070,7 @@ libgcc2.a: libgcc2.c libgcc2.ready $(CONFIG_H) $(FPBIT) $(DPBIT) $(LIB2ADD) \ do \ echo $${name}; \ $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) $(INCLUDES) -c -DL$${name} \ - $(srcdir)/libgcc2.c -o $${name}$(objext); \ + $(MAYBE_USE_COLLECT2) $(srcdir)/libgcc2.c -o $${name}$(objext); \ if [ $$? -eq 0 ] ; then true; else exit 1; fi; \ $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) tmplibgcc2.a $${name}$(objext); \ rm -f $${name}$(objext); \ diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index a902dd3b..6d8fb0b 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -2903,17 +2903,26 @@ SYMBOL__MAIN () #include "gbl-ctors.h" /* Provide default definitions for the lists of constructors and - destructors, so that we don't get linker errors. - - The old code sometimes put these into the data segment and sometimes - into the bss segment. Putting these into the data segment should always - work and avoids a little bit of complexity. */ + destructors, so that we don't get linker errors. These symbols are + intentionally bss symbols, so that gld and/or collect will provide + the right values. */ /* We declare the lists here with two elements each, - so that they are valid empty lists if no other definition is loaded. */ + so that they are valid empty lists if no other definition is loaded. + + If we are using the old "set" extensions to have the gnu linker + collect ctors and dtors, then we __CTOR_LIST__ and __DTOR_LIST__ + must be in the bss/common section. + + Long term no port should use those extensions. But many still do. */ #if !defined(INIT_SECTION_ASM_OP) && !defined(CTOR_LISTS_DEFINED_EXTERNALLY) +#if defined (ASM_OUTPUT_CONSTRUCTOR) || defined (USE_COLLECT2) func_ptr __CTOR_LIST__[2] = {0, 0}; func_ptr __DTOR_LIST__[2] = {0, 0}; +#else +func_ptr __CTOR_LIST__[2]; +func_ptr __DTOR_LIST__[2]; +#endif #endif /* no INIT_SECTION_ASM_OP and not CTOR_LISTS_DEFINED_EXTERNALLY */ #endif /* L_ctors */ |