diff options
Diffstat (limited to 'gcc/config/rs6000/vxworks.h')
| -rw-r--r-- | gcc/config/rs6000/vxworks.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/config/rs6000/vxworks.h b/gcc/config/rs6000/vxworks.h index 9eb074b..13c706b 100644 --- a/gcc/config/rs6000/vxworks.h +++ b/gcc/config/rs6000/vxworks.h @@ -290,5 +290,21 @@ along with GCC; see the file COPYING3. If not see trigger visible link errors (hence remain harmless) if the support isn't really there. */ +/* Select a format to encode pointers in exception handling data. CODE + is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is + true if the symbol may be affected by dynamic relocations. + + This is essentially the linux64.h version with an extra guard on + TARGET_VXWORKS_RTP to avoid DW_EH_PE_indirect in 64bit DKMs as they + could result in references from one DKM to resolve to symbols exposed + by a previsouly loaded DKM even if the symbol is also provided by the + DKM where the reference takes place. */ +#undef ASM_PREFERRED_EH_DATA_FORMAT +#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \ + ((TARGET_64BIT && TARGET_VXWORKS_RTP) || flag_pic \ + ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \ + | (TARGET_64BIT ? DW_EH_PE_udata8 : DW_EH_PE_sdata4)) \ + : DW_EH_PE_absptr) + #endif /* TARGET_VXWORKS7 */ |