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* config/tc-hppa.h (DIFF_EXPR_OK): Define for SOM target. Revise

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comment regarding use of difference expressions.
	(TC_FORCE_RELOCATION_SUB_LOCAL): Define to 1.
This commit is contained in:
Dave Anglin 2008-09-08 00:54:26 +00:00
parent 449373d9d0
commit ded49c3ea3
2 changed files with 17 additions and 4 deletions
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4
gas/ChangeLog
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@ -1,5 +1,9 @@
2008-09-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* config/tc-hppa.h (DIFF_EXPR_OK): Define for SOM target. Revise
comment regarding use of difference expressions.
(TC_FORCE_RELOCATION_SUB_LOCAL): Define to 1.
* dw2gencfi.c (CFI_DIFF_EXPR_OK): Define if not defined.
(dot_cfi_personality): Use CFI_DIFF_EXPR_OK instead of DIFF_EXPR_OK.
(dot_cfi_lsda, output_cie, output_fde): Likewise.

17
gas/config/tc-hppa.h
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@ -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