diff options
| author | Lubomir Rintel <lkundrak@v3.sk> | 2010-07-19 19:26:16 +0200 |
|---|---|---|
| committer | Lubomir Rintel <lkundrak@v3.sk> | 2013-10-29 16:30:52 +0100 |
| commit | c507d2f4b685874573fe0bb85a1a3a7d4d32dbd0 (patch) | |
| tree | cd1fb27ebc2d2fc3e9f4cc95e786e2bbe8c1ae2e /bcc | |
| parent | a971aeabb4caf06339d9c53265b034d3cd9349bd (diff) | |
| download | dev86-c507d2f4b685874573fe0bb85a1a3a7d4d32dbd0.tar.gz | |
Add -7 option to compiler to enable ancient construct
Following commits add various funcitonality that is likely to be
unwanted for the most, but is vital to compile really old C code, such
as Seventh Edition UNIX code.
Diffstat (limited to 'bcc')
| -rw-r--r-- | bcc/bcc.c | 13 | ||||
| -rw-r--r-- | bcc/gencode.c | 3 | ||||
| -rw-r--r-- | bcc/input.c | 13 | ||||
| -rw-r--r-- | bcc/parse.h | 3 |
4 files changed, 31 insertions, 1 deletions
@@ -103,7 +103,11 @@ struct opt_list { } * options; int opt_v, opt_V, opt_e, opt_x, opt_I, opt_L, opt_W, opt_i, - opt_O, opt_M, opt_f; + opt_O, opt_M, opt_f +#ifndef VERY_SMALL_MEMORY +, opt_7 +#endif +; #ifdef DEFARCH int opt_arch = (DEFARCH != 0); @@ -392,6 +396,10 @@ struct file_list * file; if (opt_arch<5 && !do_as) command_opt("-t"); +#ifndef VERY_SMALL_MEMORY + if (opt_7) + command_opt("-7"); +#endif command_opts('c'); command_opts('C'); @@ -956,6 +964,9 @@ char ** argv; case 'L': opt_L++; break; case 'i': opt_i++; break; case 'f': opt_f++; break; +#ifndef VERY_SMALL_MEMORY + case '7': opt_7++; break; +#endif case 'W': opt_W++; break; diff --git a/bcc/gencode.c b/bcc/gencode.c index 91c524f..6c97e1d 100644 --- a/bcc/gencode.c +++ b/bcc/gencode.c @@ -81,6 +81,9 @@ PUBLIC bool_t arg1inreg = TRUE; PUBLIC store_pt calleemask = INDREG1 | INDREG2; PUBLIC bool_t callersaves = TRUE; PUBLIC char *callstring = "JSR\t>"; +#ifndef VERY_SMALL_MEMORY +PUBLIC bool_t ancient = FALSE; +#endif PUBLIC store_pt doubleargregs = DREG | INDREG0 | INDREG1 | INDREG2; PUBLIC store_pt doubleregs = DREG | INDREG0 | INDREG1 | INDREG2; PUBLIC store_pt doublreturnregs = DREG | INDREG0 | INDREG1 | INDREG2; diff --git a/bcc/input.c b/bcc/input.c index a17af4a..9ef19e3 100644 --- a/bcc/input.c +++ b/bcc/input.c @@ -12,6 +12,9 @@ #include "sc.h" #include "scan.h" #include "table.h" +#ifndef VERY_SMALL_MEMORY +#include "parse.h" +#endif #undef EXTERN #define EXTERN @@ -539,6 +542,9 @@ char *argv[]; #endif case 't': /* print source code in asm output */ case 'w': /* watch location counter */ +#ifndef VERY_SMALL_MEMORY + case '7': /* accept ancient K&R code */ +#endif case 'O': /* Optimisation. */ if (arg[2] == 0) flag[(int)arg[1]] = TRUE; @@ -631,6 +637,13 @@ ts_s_includelist += sizeof *incnew; definestring("__POS_INDEPENDENT__"); } #endif +#ifndef VERY_SMALL_MEMORY + if (flag['7']) + { + ancient = TRUE; + definestring("__ANCIENT__"); + } +#endif if (flag['O']) { optimise = TRUE; diff --git a/bcc/parse.h b/bcc/parse.h index ab67f6c..429ca2a 100644 --- a/bcc/parse.h +++ b/bcc/parse.h @@ -17,3 +17,6 @@ EXTERN struct nodestruct *etptr; /* ptr to next entry in expression tree */ EXTERN struct symstruct *gvarsymptr; /* gsymptr for last identifier declared */ EXTERN scopelev_t level; /* scope level */ /* depends on zero init */ +#ifndef VERY_SMALL_MEMORY +EXTERN bool_t ancient; /* undersand ancient K&R */ +#endif |