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Identify sections in vx-common.h

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2019-12-30  Olivier Hainque  <hainque@adacore.com>

        * config/vx-common.h: Minor reorganization and add
        sectioning comments.

From-SVN: r279779
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Olivier Hainque 2019-12-30 21:31:18 +00:00 committed by Olivier Hainque
parent bd8efb667b
commit 4e6bcaa662
2 changed files with 19 additions and 6 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2019-12-30 Olivier Hainque <hainque@adacore.com>
* config/vx-common.h: Minor reorganization and add
sectioning comments.
2019-12-30 Doug Rupp <rupp@adacore.com>
* config/rs6000/vxworks.h (STARTFILE_PREFIX_SPEC): Define.

20
gcc/config/vx-common.h
View File

@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* ------------------------- Common SPEC strings ------------------------- */
/* Most of these will probably be overridden by subsequent headers. We
undefine them here just in case, and define VXWORKS_ versions of each,
to be used in port-specific vxworks.h. */
@ -39,12 +41,7 @@ along with GCC; see the file COPYING3. If not see
#define VXWORKS_ENDFILE_SPEC ""
#define VXWORKS_CC1_SPEC ""
/* VxWorks cannot have dots in constructor labels, because it uses a
mutant variation of collect2 that generates C code instead of
assembly. Thus each constructor label must be a legitimate C
symbol. FIXME: Have VxWorks use real collect2 instead. */
#undef NO_DOLLAR_IN_LABEL
#define NO_DOT_IN_LABEL
/* ----------------------- Common type descriptions ----------------------- */
/* VxWorks uses wchar_t == unsigned short (UCS2) on all architectures. */
#undef WCHAR_TYPE
@ -58,6 +55,8 @@ along with GCC; see the file COPYING3. If not see
#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE 16
/* ---------------------- Debug and unwind info formats ------------------ */
/* Dwarf2 unwind info is supported, unless overriden by a request for a target
specific format.
@ -83,6 +82,15 @@ along with GCC; see the file COPYING3. If not see
#undef XCOFF_DEBUGGING_INFO
#undef VMS_DEBUGGING_INFO
/* ------------------------ Misc configuration bits ---------------------- */
/* VxWorks cannot have dots in constructor labels, because it uses a
mutant variation of collect2 that generates C code instead of
assembly. Thus each constructor label must be a legitimate C
symbol. FIXME: Have VxWorks use real collect2 instead. */
#undef NO_DOLLAR_IN_LABEL
#define NO_DOT_IN_LABEL
/* Kernel mode doesn't have ctors/dtors, but RTP mode does. */
#define TARGET_HAVE_CTORS_DTORS false
#define VXWORKS_OVERRIDE_OPTIONS /* empty */