# HG changeset patch
# User Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
# Date 1395772443 0
# Node ID 10f3fbff5e97f40058460af7e0b84e0bf9adcd49
# Parent  2bec477178fc60db7390caf5a418ab198de75dff
tiobjd: symbol table parsing implemented

diff -r 2bec477178fc -r 10f3fbff5e97 ticoff/basics.c
--- a/ticoff/basics.c	Tue Mar 25 08:51:32 2014 +0000
+++ b/ticoff/basics.c	Tue Mar 25 18:34:03 2014 +0000
@@ -45,6 +45,17 @@
 	return ptr[0] | ptr[1] << 8;
 }
 
+get_s16(ptr)
+	u_char *ptr;
+{
+	int i;
+
+	i = ptr[0] | ptr[1] << 8;
+	if (i >= 32768)
+		i -= 65536;
+	return(i);
+}
+
 unsigned
 get_u32(ptr)
 	u_char *ptr;
diff -r 2bec477178fc -r 10f3fbff5e97 ticoff/globals.c
--- a/ticoff/globals.c	Tue Mar 25 08:51:32 2014 +0000
+++ b/ticoff/globals.c	Tue Mar 25 18:34:03 2014 +0000
@@ -16,3 +16,4 @@
 unsigned strtab_offset;
 
 struct internal_scnhdr *sections;
+struct internal_syment **symtab;
diff -r 2bec477178fc -r 10f3fbff5e97 ticoff/globals.h
--- a/ticoff/globals.h	Tue Mar 25 08:51:32 2014 +0000
+++ b/ticoff/globals.h	Tue Mar 25 18:34:03 2014 +0000
@@ -14,3 +14,4 @@
 extern unsigned strtab_offset;
 
 extern struct internal_scnhdr *sections;
+extern struct internal_syment **symtab;
diff -r 2bec477178fc -r 10f3fbff5e97 ticoff/intstruct.h
--- a/ticoff/intstruct.h	Tue Mar 25 08:51:32 2014 +0000
+++ b/ticoff/intstruct.h	Tue Mar 25 18:34:03 2014 +0000
@@ -13,3 +13,12 @@
 	unsigned	nlineent;
 	unsigned	flags;
 };
+
+struct internal_syment {
+	char		*name;
+	unsigned	value;
+	int		scnum;
+	int		type;
+	int		class;
+	u_char		*aux;
+};
diff -r 2bec477178fc -r 10f3fbff5e97 ticoff/tables.c
--- a/ticoff/tables.c	Tue Mar 25 08:51:32 2014 +0000
+++ b/ticoff/tables.c	Tue Mar 25 18:34:03 2014 +0000
@@ -93,3 +93,53 @@
 	}
 	exit(0);
 }
+
+get_int_symbol_table()
+{
+	unsigned n;
+	struct internal_syment *in;
+
+	symtab = malloc(sizeof(struct internal_syment *) * nsymtab);
+	if (!symtab) {
+		perror("malloc");
+		exit(1);
+	}
+	for (n = 0; n < nsymtab; ) {
+		in = malloc(sizeof(struct internal_syment));
+		if (!in) {
+			perror("malloc");
+			exit(1);
+		}
+		symtab[n] = in;
+		in->name = get_secorsym_name(symtab_raw[n].e_name);
+		in->value = get_u32(symtab_raw[n].e_value);
+		in->scnum = get_s16(symtab_raw[n].e_scnum);
+		if (in->scnum < -2 || in->scnum > nsections) {
+			fprintf(stderr,
+				"symtab entry #%u: scnum out of range\n", n);
+			exit(1);
+		}
+		in->type = get_u16(symtab_raw[n].e_type);
+		in->class = symtab_raw[n].e_sclass;
+		switch (symtab_raw[n++].e_numaux) {
+		case 0:
+			in->aux = 0;
+			continue;
+		case 1:
+			if (n >= nsymtab) {
+				fprintf(stderr,
+				"error: last symbol's aux spills over\n");
+				exit(1);
+			}
+			symtab[n] = 0;
+			in->aux = (u_char *)(symtab_raw + n);
+			n++;
+			continue;
+		default:
+			n--;
+			fprintf(stderr, "symtab entry #%u: invalid numaux\n",
+				n);
+			exit(1);
+		}
+	}
+}