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| author | Jason Eckhardt <jle@rice.edu> | 2003-08-07 04:05:42 +0000 |
|---|---|---|
| committer | Jason Eckhardt <jle@rice.edu> | 2003-08-07 04:05:42 +0000 |
| commit | 820aff5582fe3441158635c80985ae2054ef390e (patch) | |
| tree | c5f7fe33b23b7687e253046be5a7e648ddcc129a /gas/config/tc-i860.c | |
| parent | dcd81ce97cf3e474fd276265df01984e257f48fd (diff) | |
| download | gdb-820aff5582fe3441158635c80985ae2054ef390e.zip gdb-820aff5582fe3441158635c80985ae2054ef390e.tar.gz gdb-820aff5582fe3441158635c80985ae2054ef390e.tar.bz2 | |
2003-08-01 Jason Eckhardt <jle@rice.edu>
* config/tc-i860.c (s_align_wrapper): New function and prototype.
(md_pseudo_table): Change s_align_bytes to s_align_wrapper, remove
surrounding OBJ_ELF ifdef, and re-format slightly.
* doc/c-i860.texi: Document the special .align syntax available
in Intel mode.
Diffstat (limited to 'gas/config/tc-i860.c')
| -rw-r--r-- | gas/config/tc-i860.c | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/gas/config/tc-i860.c b/gas/config/tc-i860.c index b281d52..f5e4457 100644 --- a/gas/config/tc-i860.c +++ b/gas/config/tc-i860.c @@ -91,6 +91,7 @@ static void i860_process_insn (char *); static void s_dual (int); static void s_enddual (int); static void s_atmp (int); +static void s_align_wrapper (int); static int i860_get_expression (char *); static bfd_reloc_code_real_type obtain_reloc_for_imm16 (fixS *, long *); #ifdef DEBUG_I860 @@ -99,13 +100,11 @@ static void print_insn (struct i860_it *); const pseudo_typeS md_pseudo_table[] = { -#ifdef OBJ_ELF - {"align", s_align_bytes, 0}, -#endif - {"dual", s_dual, 0}, - {"enddual", s_enddual, 0}, - {"atmp", s_atmp, 0}, - {NULL, 0, 0}, + {"align", s_align_wrapper, 0}, + {"dual", s_dual, 0}, + {"enddual", s_enddual, 0}, + {"atmp", s_atmp, 0}, + {NULL, 0, 0}, }; /* Dual-instruction mode handling. */ @@ -176,6 +175,39 @@ s_atmp (int ignore ATTRIBUTE_UNUSED) demand_empty_rest_of_line (); } +/* Handle ".align" directive depending on syntax mode. + AT&T/SVR4 syntax uses the standard align directive. However, + the Intel syntax additionally allows keywords for the alignment + parameter: ".align type", where type is one of {.short, .long, + .quad, .single, .double} representing alignments of 2, 4, + 16, 4, and 8, respectively. */ +static void +s_align_wrapper (int arg) +{ + char *parm = input_line_pointer; + + if (target_intel_syntax) + { + /* Replace a keyword with the equivalent integer so the + standard align routine can parse the directive. */ + if (strncmp (parm, ".short", 6) == 0) + strncpy (parm, " 2", 6); + else if (strncmp (parm, ".long", 5) == 0) + strncpy (parm, " 4", 5); + else if (strncmp (parm, ".quad", 5) == 0) + strncpy (parm, " 16", 5); + else if (strncmp (parm, ".single", 7) == 0) + strncpy (parm, " 4", 7); + else if (strncmp (parm, ".double", 7) == 0) + strncpy (parm, " 8", 7); + + while (*input_line_pointer == ' ') + ++input_line_pointer; + } + + s_align_bytes (arg); +} + /* This function is called once, at assembler startup time. It should set up all the tables and data structures that the MD part of the assembler will need. */ |