aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
authorRichard Sandiford <richard@codesourcery.com>2007-03-21 09:07:19 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2007-03-21 09:07:19 +0000
commit7c0ffd09f85799e9ce4b8625b7e951c6f2fd2ae5 (patch)
tree852f997ceb3609aa6610cf48316a27f5c8e6614a /gcc
parent9f2966203fa776ec02ce2963ca1c6aeb1473234b (diff)
downloadgcc-7c0ffd09f85799e9ce4b8625b7e951c6f2fd2ae5.zip
gcc-7c0ffd09f85799e9ce4b8625b7e951c6f2fd2ae5.tar.gz
gcc-7c0ffd09f85799e9ce4b8625b7e951c6f2fd2ae5.tar.bz2
invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
gcc/ * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__. * c-cppbuiltin.c (c_cpp_builtins): Define them. From-SVN: r123104
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/c-cppbuiltin.c5
-rw-r--r--gcc/doc/invoke.texi4
3 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a3db8db..c2bcf89 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-03-21 Richard Sandiford <richard@codesourcery.com>
+
+ * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
+ * c-cppbuiltin.c (c_cpp_builtins): Define them.
+
2007-03-20 Mark Mitchell <mark@codesourcery.com>
* config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c
index 0239a1c..e9f608e 100644
--- a/gcc/c-cppbuiltin.c
+++ b/gcc/c-cppbuiltin.c
@@ -532,6 +532,11 @@ c_cpp_builtins (cpp_reader *pfile)
builtin_define_with_int_value ("__pic__", flag_pic);
builtin_define_with_int_value ("__PIC__", flag_pic);
}
+ if (flag_pie)
+ {
+ builtin_define_with_int_value ("__pie__", flag_pie);
+ builtin_define_with_int_value ("__PIE__", flag_pie);
+ }
if (flag_iso)
cpp_define (pfile, "__STRICT_ANSI__");
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index b11681b..f2451c3 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -14210,6 +14210,10 @@ generated position independent code can be only linked into executables.
Usually these options are used when @option{-pie} GCC option will be
used during linking.
+@option{-fpie} and @option{-fPIE} both define the macros
+@code{__pie__} and @code{__PIE__}. The macros have the value 1
+for @option{-fpie} and 2 for @option{-fPIE}.
+
@item -fno-jump-tables
@opindex fno-jump-tables
Do not use jump tables for switch statements even where it would be