From 67f3dd7170f79cad9cf14bfaa34fe6f67f714880 Mon Sep 17 00:00:00 2001 From: Ken Raeburn Date: Wed, 24 Feb 1993 12:57:00 +0000 Subject: [PATCH] more bfd merging - see ChangeLog --- gas/as.c | 142 ++++++++++++++++++++++++++++--------------------------- 1 file changed, 73 insertions(+), 69 deletions(-) diff --git a/gas/as.c b/gas/as.c index 673ca4064ad..e9f0ece62ae 100644 --- a/gas/as.c +++ b/gas/as.c @@ -70,15 +70,15 @@ static void perform_an_assembly_pass (); #endif /* not __STDC__ */ -#ifdef DONTDEF -static char *gdb_symbol_file_name; -long gdb_begin (); -#endif - int listing; /* true if a listing is wanted */ char *myname; /* argv[0] */ extern char version_string[]; +#ifdef BFD_ASSEMBLER +segT big_section, reg_section, pass1_section; +segT diff_section, absent_section; +segT text_section, data_section, bss_section; +#endif int main (argc, argv) @@ -89,8 +89,7 @@ main (argc, argv) char **work_argv; /* variable copy of argv */ char *arg; /* an arg to program */ char a; /* an arg flag (after -) */ - static const int sig[] = - {SIGHUP, SIGINT, SIGPIPE, SIGTERM, 0}; + static const int sig[] = {SIGHUP, SIGINT, SIGPIPE, SIGTERM, 0}; for (a = 0; sig[a] != 0; a++) if (signal (sig[a], SIG_IGN) != SIG_IGN) @@ -103,24 +102,25 @@ main (argc, argv) #endif /* OBJ_DEFAULT_OUTPUT_FILE_NAME */ out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME; +#ifdef BFD_ASSEMBLER + bfd_init (); +#endif + symbol_begin (); /* symbols.c */ subsegs_begin (); /* subsegs.c */ read_begin (); /* read.c */ md_begin (); /* MACHINE.c */ input_scrub_begin (); /* input_scrub.c */ -#ifdef DONTDEF - gdb_symbol_file_name = 0; -#endif /* - * Parse arguments, but we are only interested in flags. - * When we find a flag, we process it then make it's argv[] NULL. - * This helps any future argv[] scanners avoid what we processed. - * Since it is easy to do here we interpret the special arg "-" - * to mean "use stdin" and we set that argv[] pointing to "". - * After we have munged argv[], the only things left are source file - * name(s) and ""(s) denoting stdin. These file names are used - * (perhaps more than once) later. - */ + * Parse arguments, but we are only interested in flags. + * When we find a flag, we process it then make it's argv[] NULL. + * This helps any future argv[] scanners avoid what we processed. + * Since it is easy to do here we interpret the special arg "-" + * to mean "use stdin" and we set that argv[] pointing to "". + * After we have munged argv[], the only things left are source file + * name(s) and ""(s) denoting stdin. These file names are used + * (perhaps more than once) later. + */ /* FIXME-SOMEDAY this should use getopt. */ work_argc = argc - 1; /* don't count argv[0] */ work_argv = argv + 1; /* skip argv[0] */ @@ -144,12 +144,9 @@ main (argc, argv) { /* scan all the 1-char flags */ arg++; /* arg->after letter. */ a &= 0x7F; /* ascii only please */ - /* if (flagseen[a]) - as_tsktsk("%s: Flag option - %c has already been seen.", myname, a); */ flagseen[a] = 1; switch (a) { - case 'a': { int loop = 1; @@ -199,22 +196,6 @@ main (argc, argv) /* things to other people's assemblers. */ break; -#ifdef DONTDEF - case 'G': /* GNU AS switch: include gdbsyms. */ - if (*arg) /* Rest of argument is file-name. */ - gdb_symbol_file_name = stralloc (arg); - else if (work_argc) - { /* Next argument is file-name. */ - work_argc--; - *work_argv = NULL; /* Not a source file-name. */ - gdb_symbol_file_name = *++work_argv; - } - else - as_warn ("%s: I expected a filename after -G", myname); - arg = ""; /* Finished with this arg. */ - break; -#endif - case 'I': { /* Include file directory */ @@ -264,6 +245,7 @@ main (argc, argv) case 'R': /* -R means put data into text segment */ + flag_readonly_data_in_text = 1; break; case 'v': @@ -282,12 +264,17 @@ main (argc, argv) break; case 'W': - case 'w': /* -W means don't warn about things */ + flag_suppress_warnings = 1; + break; + + case 'w': case 'X': /* -X means treat warnings as errors */ + break; case 'Z': /* -Z means attempt to generate object file even after errors. */ + flag_always_generate_output = 1; break; default: @@ -300,26 +287,28 @@ main (argc, argv) } } /* - * We have just processed a "-..." arg, which was not a - * file-name. Smash it so the - * things that look for filenames won't ever see it. - * - * Whatever work_argv points to, it has already been used - * as part of a flag, so DON'T re-use it as a filename. - */ + * We have just processed a "-..." arg, which was not a + * file-name. Smash it so the + * things that look for filenames won't ever see it. + * + * Whatever work_argv points to, it has already been used + * as part of a flag, so DON'T re-use it as a filename. + */ *work_argv = NULL; /* NULL means 'not a file-name' */ } -#ifdef DONTDEF - if (gdb_begin (gdb_symbol_file_name) == 0) - flagseen['G'] = 0; /* Don't do any gdbsym stuff. */ + +#ifdef BFD_ASSEMBLER + output_file_create (out_file_name); + assert (stdoutput != 0); #endif + /* Here with flags set up in flagseen[]. */ perform_an_assembly_pass (argc, argv); /* Assemble it. */ #ifdef TC_I960 brtab_emit (); #endif if (seen_at_least_1_file () - && !((had_warnings () && flagseen['Z']) + && !((had_warnings () && flag_always_generate_output) || had_errors () > 0)) { write_object_file (); /* relax() addresses then emit object file */ @@ -361,11 +350,14 @@ perform_an_assembly_pass (argc, argv) { int saw_a_file = 0; unsigned int i; +#ifdef BFD_ASSEMBLER + flagword applicable; +#endif + need_pass_2 = 0; +#ifndef BFD_ASSEMBLER #ifdef MANY_SEGMENTS - - for (i = SEG_E0; i < SEG_UNKNOWN; i++) { segment_info[i].fix_root = 0; @@ -386,6 +378,35 @@ perform_an_assembly_pass (argc, argv) subseg_new (SEG_TEXT, 0); #endif /* not MANY_SEGMENTS */ +#else /* BFD_ASSEMBLER */ + /* Create the standard sections, and those the assembler uses + internally. */ + text_section = subseg_new (".text", 0); + text_section->output_section = text_section; + data_section = subseg_new (".data", 0); + data_section->output_section = data_section; + bss_section = subseg_new (".bss", 0); + bss_section->output_section = bss_section; + /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed + to have relocs, otherwise we don't find out in time. */ + applicable = bfd_applicable_section_flags (stdoutput); + bfd_set_section_flags (stdoutput, text_section, + applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC + | SEC_CODE | SEC_READONLY)); + /* @@ FIXME -- SEC_CODE seems to mean code only, rather than code possibly.*/ + bfd_set_section_flags (stdoutput, data_section, + applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC)); + bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC); + subseg_new (BFD_ABS_SECTION_NAME, 0); + subseg_new (BFD_UND_SECTION_NAME, 0); + big_section = subseg_new ("*GAS `big' section*", 0); + reg_section = subseg_new ("*GAS `reg' section*", 0); + pass1_section = subseg_new ("*GAS `pass1' section*", 0); + diff_section = subseg_new ("*GAS `diff' section*", 0); + absent_section = subseg_new ("*GAS `absent' section*", 0); + + subseg_new (".text", 0); +#endif /* BFD_ASSEMBLER */ argv++; /* skip argv[0] */ argc--; /* skip argv[0] */ @@ -423,16 +444,6 @@ stralloc (str) return (retval); } -#ifdef comment -static void -lose () -{ - as_fatal ("%s: 2nd pass not implemented - get your code from random(3)", myname); - return; -} /* lose() */ - -#endif /* comment */ - static SIGTY got_sig (sig) int sig; @@ -445,11 +456,4 @@ got_sig (sig) return ((SIGTY) 0); } -/* - * Local Variables: - * comment-column: 0 - * fill-column: 131 - * End: - */ - /* end of as.c */ -- 2.30.2