diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/sysdep.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/sysdep.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/sysdep.h b/sysdeps/powerpc/powerpc32/sysdep.h index ceed9ef158..0dee5f2757 100644 --- a/sysdeps/powerpc/powerpc32/sysdep.h +++ b/sysdeps/powerpc/powerpc32/sysdep.h @@ -157,4 +157,30 @@ GOT_LABEL: ; \ /* Label in text section. */ #define C_TEXT(name) name +/* Read the value of member from rtld_global_ro. */ +#ifdef PIC +# ifdef SHARED +# if IS_IN (rtld) +/* Inside ld.so we use the local alias to avoid runtime GOT + relocations. */ +# define __GLRO(rOUT, rGOT, member, offset) \ + lwz rOUT,_rtld_local_ro@got(rGOT); \ + lwz rOUT,offset(rOUT) +# else +# define __GLRO(rOUT, rGOT, member, offset) \ + lwz rOUT,_rtld_global_ro@got(rGOT); \ + lwz rOUT,offset(rOUT) +# endif +# else +# define __GLRO(rOUT, rGOT, member, offset) \ + lwz rOUT,member@got(rGOT); \ + lwz rOUT,0(rOUT) +# endif +#else +/* Position-dependent code does not require access to the GOT. */ +# define __GLRO(rOUT, rGOT, member, offset) \ + lis rOUT,(member+LOWORD)@ha \ + lwz rOUT,(member+LOWORD)@l(rOUT) +#endif /* PIC */ + #endif /* __ASSEMBLER__ */ |