[PATCH] New darwin linker options
Devang Patel
dpatel@apple.com
Wed Sep 1 00:37:00 GMT 2004
This patch adds new darwin linker option support in GCC driver.
Bootstrapped and tested on powerpc-darwin.
OK?
Thanks,
-
Devang
2004-08-31 Devang Patel <dpatel@apple.com>
* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
-segaddr,
-segs_read_only_addr and -segs_read_write_addr.
(WORD_SWITCH_TAKES_ARG): Same.
(LINK_SPEC): Same.
* doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
-segs_read_write_addr.
testsuite:
* gcc.dg/darwin-ld-20040828-1.c: New test.
* gcc.dg/darwin-ld-20040828-2.c: New test.
* gcc.dg/darwin-ld-20040828-3.c: New test.
Index: gcc/config/darwin.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/darwin.h,v
retrieving revision 1.94
diff -Idpatel.pbxuser -c -3 -p -r1.94 darwin.h
*** gcc/config/darwin.h 21 Aug 2004 17:02:52 -0000 1.94
--- gcc/config/darwin.h 1 Sep 2004 00:30:50 -0000
*************** Boston, MA 02111-1307, USA. */
*** 116,121 ****
--- 116,124 ----
{ "-dynamic", "-Zdynamic" }, \
{ "-dynamiclib", "-Zdynamiclib" }, \
{ "-exported_symbols_list", "-Zexported_symbols_list" }, \
+ { "-segaddr", "-Zsegaddr" }, \
+ { "-segs_read_only_addr", "-Zsegs_read_only_addr" }, \
+ { "-segs_read_write_addr", "-Zsegs_read_write_addr" }, \
{ "-seg_addr_table_filename", "-Zseg_addr_table_filename" }, \
{ "-filelist", "-Xlinker -filelist -Xlinker" }, \
{ "-framework", "-Xlinker -framework -Xlinker" }, \
*************** extern const char *darwin_fix_and_contin
*** 174,183 ****
!strcmp (STR, "read_only_relocs") ? 1 : \
!strcmp (STR, "sectcreate") ? 3 : \
!strcmp (STR, "sectorder") ? 3 : \
!strcmp (STR, "Zseg_addr_table_filename") ?1 :\
!strcmp (STR, "seg1addr") ? 1 : \
!strcmp (STR, "segprot") ? 3 : \
- !strcmp (STR, "seg_addr_table") ? 1 : \
!strcmp (STR, "sub_library") ? 1 : \
!strcmp (STR, "sub_umbrella") ? 1 : \
!strcmp (STR, "umbrella") ? 1 : \
--- 177,189 ----
!strcmp (STR, "read_only_relocs") ? 1 : \
!strcmp (STR, "sectcreate") ? 3 : \
!strcmp (STR, "sectorder") ? 3 : \
+ !strcmp (STR, "Zsegaddr") ? 2 : \
+ !strcmp (STR, "Zsegs_read_only_addr") ? 1 : \
+ !strcmp (STR, "Zsegs_read_write_addr") ? 1 : \
+ !strcmp (STR, "Zseg_addr_table") ? 1 : \
!strcmp (STR, "Zseg_addr_table_filename") ?1 :\
!strcmp (STR, "seg1addr") ? 1 : \
!strcmp (STR, "segprot") ? 3 : \
!strcmp (STR, "sub_library") ? 1 : \
!strcmp (STR, "sub_umbrella") ? 1 : \
!strcmp (STR, "umbrella") ? 1 : \
*************** extern const char *darwin_fix_and_contin
*** 276,281 ****
--- 282,290 ----
%{prebind} %{noprebind} %{nofixprebinding}
%{prebind_all_twolevel_modules} \
%{read_only_relocs} \
%{sectcreate*} %{sectorder*} %{seg1addr*} %{segprot*}
%{seg_addr_table*} \
+ %{Zsegaddr*:-segaddr %*} \
+ %{Zsegs_read_only_addr*:-segs_read_only_addr %*} \
+ %{Zsegs_read_write_addr*:-segs_read_write_addr %*} \
%{Zseg_addr_table_filename*:-seg_addr_table_filename %*} \
%{sub_library*} %{sub_umbrella*} \
%{twolevel_namespace} %{twolevel_namespace_hints} \
Index: gcc/doc/invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.517
diff -Idpatel.pbxuser -c -3 -p -r1.517 invoke.texi
*** gcc/doc/invoke.texi 28 Aug 2004 02:33:51 -0000 1.517
--- gcc/doc/invoke.texi 1 Sep 2004 00:30:52 -0000
*************** Objective-C and Objective-C++ Dialects}.
*** 422,427 ****
--- 422,428 ----
-private_bundle -read_only_relocs -sectalign @gol
-sectobjectsymbols -whyload -seg1addr @gol
-sectcreate -sectobjectsymbols -sectorder @gol
+ -segaddr -segs_read_only_addr -segs_read_write_addr @gol
-seg_addr_table -seg_addr_table_filename -seglinkedit @gol
-segprot -segs_read_only_addr -segs_read_write_addr @gol
-single_module -static -sub_library -sub_umbrella @gol
*************** output file being linked. See man ld(1)
*** 7120,7125 ****
--- 7121,7129 ----
@itemx -sectcreate
@itemx -sectobjectsymbols
@itemx -sectorder
+ @itemx -segaddr
+ @itemx -segs_read_only_addr
+ @itemx -segs_read_write_addr
@itemx -seg_addr_table
@itemx -seg_addr_table_filename
@itemx -seglinkedit
*************** output file being linked. See man ld(1)
*** 7179,7184 ****
--- 7183,7191 ----
@opindex sectcreate
@opindex sectobjectsymbols
@opindex sectorder
+ @opindex -segaddr
+ @opindex -segs_read_only_addr
+ @opindex -segs_read_write_addr
@opindex seg_addr_table
@opindex seg_addr_table_filename
@opindex seglinkedit
Index: gcc/testsuite/gcc.dg/darwin-ld-20040828-1.c
===================================================================
RCS file: gcc/testsuite/gcc.dg/darwin-ld-20040828-1.c
diff -N gcc/testsuite/gcc.dg/darwin-ld-20040828-1.c
*** /dev/null 1 Jan 1970 00:00:00 -0000
--- gcc/testsuite/gcc.dg/darwin-ld-20040828-1.c 1 Sep 2004 00:30:55
-0000
***************
*** 0 ****
--- 1,13 ----
+ /* Test -segaddr. */
+ /* Contributed by Devang Patel <dpatel@apple.com> */
+
+ /* { dg-do compile { target *-*-darwin* } } */
+ /* { dg-options "-segaddr __DATA 4000" } */
+
+
+ int
+ main ()
+ {
+ return 0;
+ }
+
Index: gcc/testsuite/gcc.dg/darwin-ld-20040828-2.c
===================================================================
RCS file: gcc/testsuite/gcc.dg/darwin-ld-20040828-2.c
diff -N gcc/testsuite/gcc.dg/darwin-ld-20040828-2.c
*** /dev/null 1 Jan 1970 00:00:00 -0000
--- gcc/testsuite/gcc.dg/darwin-ld-20040828-2.c 1 Sep 2004 00:30:55
-0000
***************
*** 0 ****
--- 1,13 ----
+ /* Test -segaddr. */
+ /* Contributed by Devang Patel <dpatel@apple.com> */
+
+ /* { dg-do compile { target *-*-darwin* } } */
+ /* { dg-options "-segs_read_only_addr 4000 -dynamiclib" } */
+
+
+ int
+ main ()
+ {
+ return 0;
+ }
+
Index: gcc/testsuite/gcc.dg/darwin-ld-20040828-3.c
===================================================================
RCS file: gcc/testsuite/gcc.dg/darwin-ld-20040828-3.c
diff -N gcc/testsuite/gcc.dg/darwin-ld-20040828-3.c
*** /dev/null 1 Jan 1970 00:00:00 -0000
--- gcc/testsuite/gcc.dg/darwin-ld-20040828-3.c 1 Sep 2004 00:30:55
-0000
***************
*** 0 ****
--- 1,13 ----
+ /* Test -segaddr. */
+ /* Contributed by Devang Patel <dpatel@apple.com> */
+
+ /* { dg-do compile { target *-*-darwin* } } */
+ /* { dg-options "-segs_read_only_addr 4000 -segs_read_write_addr 8000
-dynamiclib" } */
+
+
+ int
+ main ()
+ {
+ return 0;
+ }
+
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