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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2016-03-31 12:40:13 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@synopsys.com> | 2016-04-12 09:57:03 +0200 |
| commit | 37ab977937f89c6601e616085ff9702d6e727ec8 (patch) | |
| tree | 0101fe3c002d30fa37f70f43f6680dd203dc8c29 /gas/config | |
| parent | 2df3368d851b653880c2e3312c99eb8adf89f3db (diff) | |
| download | gdb-37ab977937f89c6601e616085ff9702d6e727ec8.zip gdb-37ab977937f89c6601e616085ff9702d6e727ec8.tar.gz gdb-37ab977937f89c6601e616085ff9702d6e727ec8.tar.bz2 | |
Remove unneeded AUX register symbols.
gas/
2016-03-31 Claudiu Zissulescu <claziss@synopsys.com>
* config/tc-arc.c (preprocess_operands): Mark AUX symbol.
(arc_adjust_symtab): New function.
* config/tc-arc.h (ARC_FLAG_AUX): Define.
(obj_adjust_symtab): Likewise.
* testsuite/gas/arc/taux.d: New file.
* testsuite/gas/arc/taux.s: Likewise.
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-arc.c | 20 | ||||
| -rw-r--r-- | gas/config/tc-arc.h | 6 |
2 files changed, 26 insertions, 0 deletions
diff --git a/gas/config/tc-arc.c b/gas/config/tc-arc.c index 1b70e03..98cac6a 100644 --- a/gas/config/tc-arc.c +++ b/gas/config/tc-arc.c @@ -1611,6 +1611,7 @@ find_opcode_match (const struct arc_opcode_hash_entry *entry, from BKTOK. */ tok[tokidx].X_op = O_constant; tok[tokidx].X_add_number = auxr->address; + ARC_SET_FLAG (tok[i].X_add_symbol, ARC_FLAG_AUX); break; } @@ -3857,3 +3858,22 @@ tc_arc_regname_to_dw2regnum (char *regname) return -1; } + +/* Adjust the symbol table. Delete found AUX register symbols. */ + +void +arc_adjust_symtab (void) +{ + symbolS * sym; + + for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym)) + { + /* I've created a symbol during parsing process. Now, remove + the symbol as it is found to be an AUX register. */ + if (ARC_GET_FLAG (sym) & ARC_FLAG_AUX) + symbol_remove (sym, &symbol_rootP, &symbol_lastP); + } + + /* Now do generic ELF adjustments. */ + elf_adjust_symtab (); +} diff --git a/gas/config/tc-arc.h b/gas/config/tc-arc.h index 076afea..54fa601 100644 --- a/gas/config/tc-arc.h +++ b/gas/config/tc-arc.h @@ -163,6 +163,8 @@ extern long md_pcrel_from_section (struct fix *, segT); /* The symbol is a ZOL's end loop label. */ #define ARC_FLAG_ZOL (1 << 0) +/* The symbol is an AUX register. */ +#define ARC_FLAG_AUX (1 << 1) /* We use this hook to check the validity of the last to instructions of a ZOL. */ @@ -185,6 +187,10 @@ extern long md_pcrel_from_section (struct fix *, segT); /* Adjust non PC-rel values at relaxation time. */ #define TC_PCREL_ADJUST(F) arc_pcrel_adjust (F) +/* Adjust symbol table. */ +#define obj_adjust_symtab() arc_adjust_symtab () + +extern void arc_adjust_symtab (void); extern int arc_pcrel_adjust (fragS *); extern bfd_boolean arc_parse_name (const char *, struct expressionS *); extern int tc_arc_fix_adjustable (struct fix *); |