diff options
Diffstat (limited to 'contrib/binutils/gas/app.c')
| -rw-r--r-- | contrib/binutils/gas/app.c | 77 |
1 files changed, 35 insertions, 42 deletions
diff --git a/contrib/binutils/gas/app.c b/contrib/binutils/gas/app.c index 275ad68..e5f1778 100644 --- a/contrib/binutils/gas/app.c +++ b/contrib/binutils/gas/app.c @@ -1,6 +1,6 @@ /* This is the Assembler Pre-Processor Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001, 2002, 2003 + 1999, 2000, 2001, 2002, 2003, 2006, 2007 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -21,13 +21,12 @@ 02110-1301, USA. */ /* Modified by Allen Wirfs-Brock, Instantiations Inc 2/90. */ -/* App, the assembler pre-processor. This pre-processor strips out excess - spaces, turns single-quoted characters into a decimal constant, and turns - # <number> <filename> <garbage> into a .line <number>\n.file <filename> - pair. This needs better error-handling. */ +/* App, the assembler pre-processor. This pre-processor strips out + excess spaces, turns single-quoted characters into a decimal + constant, and turns the # in # <number> <filename> <garbage> into a + .linefile. This needs better error-handling. */ -#include <stdio.h> -#include "as.h" /* For BAD_CASE() only. */ +#include "as.h" #if (__STDC__ != 1) #ifndef const @@ -352,11 +351,11 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) 1: After first whitespace on line (flush more white) 2: After first non-white (opcode) on line (keep 1white) 3: after second white on line (into operands) (flush white) - 4: after putting out a .line, put out digits + 4: after putting out a .linefile, put out digits 5: parsing a string, then go to old-state 6: putting out \ escape in a "d string. - 7: After putting out a .appfile, put out string. - 8: After putting out a .appfile string, flush until newline. + 7: no longer used + 8: no longer used 9: After seeing symbol char in state 3 (keep 1white after symchar) 10: After seeing whitespace in state 9 (keep white before symchar) 11: After seeing a symbol character in state 0 (eg a label definition) @@ -511,14 +510,10 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) ch = GET (); if (ch == '"') { - UNGET (ch); - if (scrub_m68k_mri) - out_string = "\n\tappfile "; - else - out_string = "\n\t.appfile "; - old_state = 7; - state = -1; - PUT (*out_string++); + quotechar = ch; + state = 5; + old_state = 3; + PUT (ch); } else { @@ -555,6 +550,8 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) memcpy (to, from, len); to += len; from += len; + if (to >= toend) + goto tofull; } } @@ -639,24 +636,6 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) PUT (ch); continue; - case 7: - ch = GET (); - quotechar = ch; - state = 5; - old_state = 8; - PUT (ch); - continue; - - case 8: - do - ch = GET (); - while (ch != '\n' && ch != EOF); - if (ch == EOF) - goto fromeof; - state = 0; - PUT (ch); - continue; - #ifdef DOUBLEBAR_PARALLEL case 13: ch = GET (); @@ -888,9 +867,6 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) switch (state) { - case 0: - state++; - goto recycle; /* Punted leading sp */ case 1: /* We can arrive here if we leave a leading whitespace character at the beginning of a line. */ @@ -1200,9 +1176,9 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) old_state = 4; state = -1; if (scrub_m68k_mri) - out_string = "\tappline "; + out_string = "\tlinefile "; else - out_string = "\t.appline "; + out_string = "\t.linefile "; PUT (*out_string++); break; } @@ -1245,6 +1221,15 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) if ((symver_state != NULL) && (*symver_state == 0)) goto de_fault; #endif + +#ifdef TC_ARM + /* For the ARM, care is needed not to damage occurrences of \@ + by stripping the @ onwards. Yuck. */ + if (to > tostart && *(to - 1) == '\\') + /* Do not treat the @ as a start-of-comment. */ + goto de_fault; +#endif + #ifdef WARN_COMMENTS if (!found_comment) as_where (&found_comment_file, &found_comment); @@ -1377,7 +1362,15 @@ do_scrub_chars (int (*get) (char *, int), char *tostart, int tolen) the space. We don't have enough information to make the right choice, so here we are making the choice which is more likely to be correct. */ - PUT (' '); + if (to + 1 >= toend) + { + /* If we're near the end of the buffer, save the + character for the next time round. Otherwise + we'll lose our state. */ + UNGET (ch); + goto tofull; + } + *to++ = ' '; } state = 3; |
