diff options
Diffstat (limited to 'ld/ld.texi')
| -rw-r--r-- | ld/ld.texi | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -2392,6 +2392,25 @@ you should not put the definition of @code{__real_malloc} in the same file as @code{__wrap_malloc}; if you do, the assembler may resolve the call before the linker has a chance to wrap it to @code{malloc}. +Only undefined references are replaced by the linker. So, translation unit +internal references to @var{symbol} are not resolved to +@code{__wrap_@var{symbol}}. In the next example, the call to @code{f} in +@code{g} is not resolved to @code{__wrap_f}. + +@smallexample +int +f (void) +@{ + return 123; +@} + +int +g (void) +@{ + return f(); +@} +@end smallexample + @kindex --eh-frame-hdr @kindex --no-eh-frame-hdr @item --eh-frame-hdr |