* read.c (potable): Add "mri" and ".mri".
(s_mri): New function. * read.h (s_mri): Declare. * app.c (scrub_m68k_mri): New static variable. (mri_pseudo): New static variable. (do_scrub_begin): Add m68k_mri parameter. Use it rather than flag_m68k_mri. Initialize scrub_m68k_mri. (mri_state, mri_last_ch): New static variables. (struct app_save): Add scrub_m68k_mri, mri_state, and mri_last_ch fields. (app_push): Save new fields. (app_pop): Restore new fields. (do_scrub_chars): Check scrub_m68k_mri rather than flag_mri_mri. If TC_M68K, use a trivial state machine to look for occurrences of the .mri pseudo-op, and change the mode appropriately. * as.h (do_scrub_begin): Update prototype. * input-scrub.c (input_scrub_begin): Pass flag_m68k_mri to do_scrub_begin. * config/tc-m68k.c (reg_prefix_optional_seen): New static variable. (m68k_mri_mode_change): New function. (md_parse_option): Set reg_prefix_optional_seen. * config/tc-m68k.h (m68k_mri_mode_change): Declare. (MRI_MODE_CHANGE): Define. * doc/as.texinfo: Document .mri pseudo-op.
This commit is contained in:
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@ -5,6 +5,32 @@ Mon Feb 12 15:53:46 1996 Doug Evans <dje@charmed.cygnus.com>
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Mon Feb 12 15:41:21 1996 Ian Lance Taylor <ian@cygnus.com>
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* read.c (potable): Add "mri" and ".mri".
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(s_mri): New function.
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* read.h (s_mri): Declare.
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* app.c (scrub_m68k_mri): New static variable.
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(mri_pseudo): New static variable.
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(do_scrub_begin): Add m68k_mri parameter. Use it rather than
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flag_m68k_mri. Initialize scrub_m68k_mri.
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(mri_state, mri_last_ch): New static variables.
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(struct app_save): Add scrub_m68k_mri, mri_state, and mri_last_ch
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fields.
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(app_push): Save new fields.
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(app_pop): Restore new fields.
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(do_scrub_chars): Check scrub_m68k_mri rather than flag_mri_mri.
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If TC_M68K, use a trivial state machine to look for occurrences of
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the .mri pseudo-op, and change the mode appropriately.
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* as.h (do_scrub_begin): Update prototype.
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* input-scrub.c (input_scrub_begin): Pass flag_m68k_mri to
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do_scrub_begin.
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* config/tc-m68k.c (reg_prefix_optional_seen): New static
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variable.
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(m68k_mri_mode_change): New function.
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(md_parse_option): Set reg_prefix_optional_seen.
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* config/tc-m68k.h (m68k_mri_mode_change): Declare.
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(MRI_MODE_CHANGE): Define.
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* doc/as.texinfo: Document .mri pseudo-op.
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* app.c (do_scrub_chars): In MRI mode, don't treat '#' as a
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comment character.
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@ -74,6 +74,9 @@ int flag_reg_prefix_optional = REGISTER_PREFIX_OPTIONAL;
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int flag_reg_prefix_optional;
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#endif
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/* Whether --register-prefix-optional was used on the command line. */
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static int reg_prefix_optional_seen;
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/* The floating point coprocessor to use by default. */
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static enum m68k_register m68k_float_copnum = COP1;
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@ -3488,6 +3491,43 @@ m68k_init_after_args ()
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md_relax_table[TAB (PCINDEX, BYTE)].rlx_more = 0;
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}
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/* This is called if we go in or out of MRI mode because of the .mri
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pseudo-op. */
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void
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m68k_mri_mode_change (on)
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int on;
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{
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if (on)
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{
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if (! flag_reg_prefix_optional)
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{
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flag_reg_prefix_optional = 1;
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#ifdef REGISTER_PREFIX
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init_regtable ();
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#endif
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}
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m68k_abspcadd = 1;
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m68k_rel32 = 0;
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}
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else
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{
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if (! reg_prefix_optional_seen)
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{
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#ifdef REGISTER_PREFIX_OPTIONAL
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flag_reg_prefix_optional = REGISTER_PREFIX_OPTIONAL;
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#else
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flag_reg_prefix_optional = 0;
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#endif
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#ifdef REGISTER_PREFIX
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init_regtable ();
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#endif
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}
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m68k_abspcadd = 0;
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m68k_rel32 = 1;
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}
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}
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/* Equal to MAX_PRECISION in atof-ieee.c */
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#define MAX_LITTLENUMS 6
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@ -6189,6 +6229,7 @@ md_parse_option (c, arg)
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case OPTION_REGISTER_PREFIX_OPTIONAL:
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flag_reg_prefix_optional = 1;
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reg_prefix_optional_seen = 1;
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break;
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/* -V: SVR4 argument to print version ID. */
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@ -116,6 +116,9 @@ extern int m68k_aout_machtype;
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#define NO_PSEUDO_DOT
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#endif
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extern void m68k_mri_mode_change PARAMS ((int));
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#define MRI_MODE_CHANGE(i) m68k_mri_mode_change (i)
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#ifdef BFD_ASSEMBLER
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#define tc_frob_symbol(sym,punt) \
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33
gas/read.c
33
gas/read.c
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@ -333,6 +333,8 @@ static const pseudo_typeS potable[] =
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{"lsym", s_lsym, 0},
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{"macro", s_macro, 0},
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{"mexit", s_mexit, 0},
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{"mri", s_mri, 0},
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{".mri", s_mri, 0}, /* Special case so .mri works in MRI mode. */
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{"name", s_ignore, 0},
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{"noformat", s_ignore, 0},
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{"nolist", listing_list, 0}, /* Turn listing off */
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@ -1994,6 +1996,37 @@ s_mexit (ignore)
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buffer_limit = input_scrub_next_buffer (&input_line_pointer);
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}
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/* Switch in and out of MRI mode. */
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void
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s_mri (ignore)
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int ignore;
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{
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int on, old_flag;
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on = get_absolute_expression ();
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old_flag = flag_mri;
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if (on != 0)
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{
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flag_mri = 1;
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#ifdef TC_M68K
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flag_m68k_mri = 1;
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#endif
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}
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else
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{
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flag_mri = 0;
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flag_m68k_mri = 0;
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}
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#ifdef MRI_MODE_CHANGE
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if (on != old_flag)
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MRI_MODE_CHANGE (on);
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#endif
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demand_empty_rest_of_line ();
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}
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/* Handle changing the location counter. */
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static void
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