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| author | Jeffrey A Law <law@cygnus.com> | 1999-02-21 19:58:22 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-02-21 12:58:22 -0700 |
| commit | 14686fcda5034dac9dda0cb615129ee38a9808c6 (patch) | |
| tree | 96c04fba31baa7810b3fe1a78322e9cf838bd523 | |
| parent | b4bb92e52f7d5f1dbd2f95e829c2d789d57609af (diff) | |
| download | gcc-14686fcda5034dac9dda0cb615129ee38a9808c6.zip gcc-14686fcda5034dac9dda0cb615129ee38a9808c6.tar.gz gcc-14686fcda5034dac9dda0cb615129ee38a9808c6.tar.bz2 | |
tm.texi: Update docs for constructors and destructors.
* tm.texi: Update docs for constructors and destructors.
And update comment in cp/decl2.c
From-SVN: r25356
| -rw-r--r-- | gcc/ChangeLog | 1 | ||||
| -rw-r--r-- | gcc/cp/decl2.c | 3 | ||||
| -rw-r--r-- | gcc/tm.texi | 13 |
3 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b01bd65..f54f6a3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -2,6 +2,7 @@ Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com) * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete. (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise. + * tm.texi: Update docs for constructors and destructors. Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com> diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index dddf4a8..61a88eb 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -2938,7 +2938,8 @@ start_objects (method_type, initp) NULL_TREE, 0); #if defined(ASM_OUTPUT_CONSTRUCTOR) && defined(ASM_OUTPUT_DESTRUCTOR) - /* It can be a static function with .ctors/.dtors sections. */ + /* It can be a static function as long as collect2 does not have + to scan the object file to find its ctor/dtor routine. */ TREE_PUBLIC (current_function_decl) = 0; #endif diff --git a/gcc/tm.texi b/gcc/tm.texi index d3dac9f..cd45f74 100644 --- a/gcc/tm.texi +++ b/gcc/tm.texi @@ -5976,13 +5976,20 @@ names. @findex ASM_OUTPUT_DESTRUCTOR This is like @code{ASM_OUTPUT_CONSTRUCTOR} but used for termination functions rather than initialization functions. + +When @code{ASM_OUTPUT_CONSTRUCTOR} and @code{ASM_OUTPUT_DESTRUCTOR} are +defined, the initializaiton routine generated for the generated object +file will have static linkage. @end table If your system uses @code{collect2} as the means of processing constructors, then that program normally uses @code{nm} to scan an -object file for constructor functions to be called. On certain kinds of -systems, you can define these macros to make @code{collect2} work faster -(and, in some cases, make it work at all): +object file for constructor functions to be called. On such systems you +must not define @code{ASM_OUTPUT_CONSTRUCTOR} and @code{ASM_OUTPUT_DESTRUCTOR} +as the object file's initialization routine must have global scope. + +On certain kinds of systems, you can define these macros to make +@code{collect2} work faster (and, in some cases, make it work at all): @table @code @findex OBJECT_FORMAT_COFF |