diff options
Diffstat (limited to 'csu/initfini.c')
| -rw-r--r-- | csu/initfini.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/csu/initfini.c b/csu/initfini.c index 6b12850a24..bc412622bc 100644 --- a/csu/initfini.c +++ b/csu/initfini.c @@ -66,6 +66,17 @@ useless_function (void) } asm ("\nEOF.end\n"); +/* Find out how much alignment is produced by the compiler. */ +asm ("align=`awk '$1==\".align\" { if ($2>max) max=$2; } END { print max; }' \ +<<\\EOF.align"); +void +useless_function2 (void (*foo) (void)) +{ + if (foo) + (*foo) (); +} +asm ("\nEOF.align\n`\n"); + /* Append the .init prologue to crti.s-new. */ asm ("cat >> crti.s-new <<\\EOF.crti.init"); @@ -88,6 +99,7 @@ _init (void) to crtn.s-new, followed by the function epilogue. */ asm ("\n\ EOF.crti.init\n\ + test -n \"$align\" && echo .align $align >> crti.s-new\n\ test -n \"$need_end\" && echo .end _init >> crti.s-new\n\ fgrep .init crti.s-new >>crtn.s-new\n\ fgrep -v .end >> crtn.s-new <<\\EOF.crtn.init"); @@ -99,6 +111,11 @@ asm ("\nEOF.crtn.init\ \n\ cat >> crti.s-new <<\\EOF.crti.fini"); +/* Global variable which says whether we have a statically or dynamically + linked program. If > 0, static, for < 0 dynamic, == 0 means yet to + be determined (see init-first.c). */ +int __libc_is_static = 0; + SECTION (".fini") void _fini (void) @@ -107,6 +124,7 @@ _fini (void) Then fetch the .section directive just written and append that to crtn.s-new, followed by the function epilogue. */ asm ("\nEOF.crti.fini\n\ +test -n \"$align\" && echo .align $align >> crti.s-new\n\ test -n \"$need_end\" && echo .end _fini >> crti.s-new\n\ cat > /dev/null <<\\EOF.fini.skip"); |