diff options
| author | Roland McGrath <[email protected]> | 2009-08-09 15:40:52 -0700 |
|---|---|---|
| committer | Roland McGrath <[email protected]> | 2009-08-09 15:40:52 -0700 |
| commit | ebfb6484d5e164f2b7f428a8c92d55c4083f55fd (patch) | |
| tree | e017186eebddb022eb1d05dba54f2ba34fa6533a /lib | |
| parent | de0bef87168df49c27af8f2040bed258a9bddb61 (diff) | |
New macros for symbol versioning definitions, use them for libdw convenience wrappers just changed.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ChangeLog | 4 | ||||
| -rw-r--r-- | lib/eu-config.h | 17 |
2 files changed, 21 insertions, 0 deletions
diff --git a/lib/ChangeLog b/lib/ChangeLog index 06991826..73f8e73a 100644 --- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,3 +1,7 @@ +2009-08-09 Roland McGrath <[email protected]> + + * eu-config.h (OLD_VERSION, NEW_VERSION, COMPAT_VERSION): New macros. + 2009-01-23 Roland McGrath <[email protected]> * eu-config.h: Add multiple inclusion protection. diff --git a/lib/eu-config.h b/lib/eu-config.h index 32f501ae..f814604f 100644 --- a/lib/eu-config.h +++ b/lib/eu-config.h @@ -183,4 +183,21 @@ asm (".section predict_data, \"aw\"; .previous\n" #define ELFUTILS_HEADER(name) <lib##name.h> +#ifdef SHARED +# define OLD_VERSION(name, version) \ + asm (".globl _compat." #version "." #name "\n" \ + "_compat." #version "." #name " = " #name "\n" \ + ".symver _compat." #version "." #name "," #name "@" #version); +# define NEW_VERSION(name, version) \ + asm (".symver " #name "," #name "@@@" #version); +# define COMPAT_VERSION(name, version, prefix) \ + asm (".symver _compat." #version "." #name "," #name "@" #version); \ + __typeof (name) _compat_##prefix##_##name asm ("_compat." #version "." #name); +#else +# define OLD_VERSION(name, version) /* Nothing for static linking. */ +# define NEW_VERSION(name, version) /* Nothing for static linking. */ +# define COMPAT_VERSION(name, version, prefix) error "should use #ifdef SHARED" +#endif + + #endif /* eu-config.h */ |