diff options
Diffstat (limited to 'gas/config/tc-hppa.h')
| -rw-r--r-- | gas/config/tc-hppa.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/gas/config/tc-hppa.h b/gas/config/tc-hppa.h index 3a45e08..498cb25 100644 --- a/gas/config/tc-hppa.h +++ b/gas/config/tc-hppa.h @@ -146,14 +146,23 @@ int hppa_fix_adjustable (struct fix *); two symbols. This includes the difference of two symbols when one of them is undefined (this comes up in PIC code generation). - We don't define DIFF_EXPR_OK because it does the wrong thing if - the add symbol is undefined and the sub symbol is a symbol in - the same section as the relocation. We also need some way to - specialize some code in adjust_reloc_syms. */ + We allow the difference of two symbols when the subtract symbol is + local to the relocation. This is implemented using R_HPPA_COMPLEX. + + This has some limitations. Difference expressions only work between + symbols in the same segment/quadrant of a module since the HP dynamic + loader relocates the text and data segments independently. Thus, a + difference expression can't be used between text and data symbols, + or between symbols in different executable modules. */ +#define DIFF_EXPR_OK 1 +#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX) 1 #define UNDEFINED_DIFFERENCE_OK #endif #ifdef OBJ_ELF + +/* Difference expressions for the 64-bit HP-UX target have the same + limitations as those for the 32-bit SOM target. */ #define DIFF_EXPR_OK 1 /* Handle .type psuedo. Given a type string of `millicode', set the |