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authorforsyth <forsyth@vitanuova.com>2010-04-27 09:51:54 +0100
committerforsyth <forsyth@vitanuova.com>2010-04-27 09:51:54 +0100
commit09da2e137d5eb0c940df35d989e4c31ec0654fc4 (patch)
treecbcfe43072cbdc0e326f93e381a10c1cc81fa3d5 /utils/libmach
parent79c08af73105929756ebec9f94a332c4dbfddd70 (diff)
20100427-0951
Diffstat (limited to 'utils/libmach')
-rw-r--r--utils/libmach/mkfile1
-rw-r--r--utils/libmach/tobj.c133
2 files changed, 0 insertions, 134 deletions
diff --git a/utils/libmach/mkfile b/utils/libmach/mkfile
index e2747136..1f0a2950 100644
--- a/utils/libmach/mkfile
+++ b/utils/libmach/mkfile
@@ -25,7 +25,6 @@ OFILES=\
8obj.$O\
kobj.$O\
qobj.$O\
- tobj.$O\
vobj.$O\
obj.$O\
map.$O\
diff --git a/utils/libmach/tobj.c b/utils/libmach/tobj.c
deleted file mode 100644
index d18de434..00000000
--- a/utils/libmach/tobj.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * 5obj.c - identify and parse a arm object file
- */
-#include <lib9.h>
-#include <bio.h>
-#include "5c/5.out.h"
-#include "obj.h"
-
-typedef struct Addr Addr;
-struct Addr
-{
- char type;
- char sym;
- char name;
-};
-static Addr addr(Biobuf*);
-static char type2char(int);
-static void skip(Biobuf*, int);
-
-int
-_ist(char *s)
-{
- return s[0] == ANAME /* ANAME */
- && s[1] == D_FILE /* type */
- && s[2] == 1 /* sym */
- && s[3] == '<'; /* name of file */
-}
-
-int
-_readt(Biobuf *bp, Prog *p)
-{
- int as, n;
- Addr a;
-
- as = Bgetc(bp); /* as */
- if(as < 0)
- return 0;
- p->kind = aNone;
- if(as == ANAME || as == ASIGNAME){
- if(as == ASIGNAME)
- skip(bp, 4); /* signature */
- p->kind = aName;
- p->type = type2char(Bgetc(bp)); /* type */
- p->sym = Bgetc(bp); /* sym */
- n = 0;
- for(;;) {
- as = Bgetc(bp);
- if(as < 0)
- return 0;
- n++;
- if(as == 0)
- break;
- }
- p->id = malloc(n);
- if(p->id == 0)
- return 0;
- Bseek(bp, -n, 1);
- if(Bread(bp, p->id, n) != n)
- return 0;
- return 1;
- }
- if(as == ATEXT)
- p->kind = aText;
- else if(as == AGLOBL)
- p->kind = aData;
- skip(bp, 6); /* scond(1), reg(1), lineno(4) */
- a = addr(bp);
- addr(bp);
- if(a.type != D_OREG || a.name != D_STATIC && a.name != D_EXTERN)
- p->kind = aNone;
- p->sym = a.sym;
- return 1;
-}
-
-static Addr
-addr(Biobuf *bp)
-{
- Addr a;
- long off;
-
- a.type = Bgetc(bp); /* a.type */
- skip(bp,1); /* reg */
- a.sym = Bgetc(bp); /* sym index */
- a.name = Bgetc(bp); /* sym type */
- switch(a.type){
- default:
- case D_NONE:
- case D_REG:
- case D_FREG:
- case D_PSR:
- case D_FPCR:
- break;
- case D_OREG:
- case D_CONST:
- case D_BRANCH:
- case D_SHIFT:
- off = Bgetc(bp);
- off |= Bgetc(bp) << 8;
- off |= Bgetc(bp) << 16;
- off |= Bgetc(bp) << 24;
- if(off < 0)
- off = -off;
- if(a.sym && (a.name==D_PARAM || a.name==D_AUTO))
- _offset(a.sym, off);
- break;
- case D_SCONST:
- skip(bp, NSNAME);
- break;
- case D_FCONST:
- skip(bp, 8);
- break;
- }
- return a;
-}
-
-static char
-type2char(int t)
-{
- switch(t){
- case D_EXTERN: return 'U';
- case D_STATIC: return 'b';
- case D_AUTO: return 'a';
- case D_PARAM: return 'p';
- default: return UNKNOWN;
- }
-}
-
-static void
-skip(Biobuf *bp, int n)
-{
- while (n-- > 0)
- Bgetc(bp);
-}