* coffgrok.[ch]: New files, understand coff objects.

* coffdump.c: Uses coffgrok to dump out the debug info of a coff
	file.
	* sysroff.info: Description of a SYSROFF object file.
	* sysinfo.y, syslex.l: Parse info file, generate a reader, writer,
	header files and a printer.
	* srconv.c: Uses coffgrok.c and sysroff.info to convert a coff
	file to a SYSROFF file.
This commit is contained in:
Steve Chamberlain 1994-03-08 21:53:19 +00:00
parent 1404c3656d
commit e52e2acd51
5 changed files with 663 additions and 14 deletions

View File

@ -51,9 +51,12 @@ binutils.texi
bucomm.c
bucomm.h
c++filt.1
coffdump.c
coffgrok.c
coffgrok.h
config
configure.bat
configure.in
config
filemode.c
gmalloc.c
is-ranlib.c
@ -77,9 +80,14 @@ ranlib.sh
sanity.sh
size.1
size.c
srconv.c
strings.1
strings.c
strip.1
sysdump.c
sysinfo.y
syslex.l
sysroff.info
testsuite
version.c

View File

@ -1,3 +1,14 @@
Tue Mar 8 13:14:43 1994 Steve Chamberlain (sac@jonny.cygnus.com)
* coffgrok.[ch]: New files, understand coff objects.
* coffdump.c: Uses coffgrok to dump out the debug info of a coff
file.
* sysroff.info: Description of a SYSROFF object file.
* sysinfo.y, syslex.l: Parse info file, generate a reader, writer,
header files and a printer.
* srconv.c: Uses coffgrok.c and sysroff.info to convert a coff
file to a SYSROFF file.
Sat Feb 26 13:35:26 1994 Stan Shebs (shebs@andros.cygnus.com)
* ar.c (do_quick_append): Pad with a genuine character 10,

View File

@ -64,7 +64,7 @@ NM_FOR_TARGET = nm
NM = $(NM_FOR_TARGET)
SYMLINK = ln -s
BISON = `if [ -f ../byacc/byacc ] ; then echo ../byacc/byacc ; else echo byacc ; fi`
BISON = `if [ -f ../bison/bison ] ; then echo ../bison/bison -y -L../bison/bison ; else echo bison -y ; fi`
# Comment these out if using lex.
LEX_OPTIONS = -I -Cem
LEX = `if [ -f ../flex/flex ] ; then echo ../flex/flex ; else echo flex ; fi`
@ -102,7 +102,9 @@ DEMANGLER_PROG=c++filt
NLMCONV_PROG=nlmconv
PROGS = $(SIZE_PROG) $(OBJDUMP_PROG) $(NM_PROG) $(AR_PROG) $(STRINGS_PROG) $(STRIP_PROG) $(RANLIB_PROG) $(DEMANGLER_PROG) $(OBJCOPY_PROG) $(BUILD_NLMCONV)
SRCONV_PROG=srconv sysdump coffdump
PROGS = $(SIZE_PROG) $(OBJDUMP_PROG) $(NM_PROG) $(AR_PROG) $(STRINGS_PROG) $(STRIP_PROG) $(RANLIB_PROG) $(DEMANGLER_PROG) $(OBJCOPY_PROG) $(BUILD_NLMCONV) $(BUILD_SRCONV)
STAGESTUFF = $(PROGS) *.o
# Files that can be generated, but should be in the distribution.
DISTSTUFF=arparse.c arlex.c nlmheader.c info
@ -154,16 +156,7 @@ FLAGS_TO_PASS = \
"CC=$(CC)" \
"CFLAGS=$(CFLAGS)" \
"RUNTEST=$(RUNTEST)" \
"RUNTESTFLAGS=$(RUNTESTFLAGS) \
SIZE=`if [ -f $$rootme/$(SIZE_PROG) ] ; then echo $$rootme/$(SIZE_PROG) ; else echo $(SIZE_PROG); fi` \
OBJCOPY=`if [ -f $$rootme/$(OBJCOPY_PROG) ] ; then echo $$rootme/$(OBJCOPY_PROG) ; else echo $(OBJCOPY_PROG); fi` \
NM=`if [ -f $$rootme/$(NM_PROG) ] ; then echo $$rootme/$(NM_PROG) ; else echo $(NM_PROG); fi` \
AR=`if [ -f $$rootme/$(AR_PROG) ] ; then echo $$rootme/$(AR_PROG) ; else echo $(AR_PROG); fi` \
OBJDUMP=`if [ -f $$rootme/$(OBJDUMP_PROG) ] ; then echo $$rootme/$(OBJDUMP_PROG) ; else echo $(OBJDUMP_PROG); fi` \
STRINGS=`if [ -f $$rootme/$(STRINGS_PROG) ] ; then echo $$rootme/$(STRINGS_PROG) ; else echo $(STRINGS_PROG); fi` \
STRIP=`if [ -f $$rootme/$(STRIP_PROG) ] ; then echo $$rootme/$(STRIP_PROG) ; else echo $(STRIP_PROG); fi` \
RANLIB=`if [ -f $$rootme/$(RANLIB_PROG) ] ; then echo $$rootme/$(RANLIB_PROG) ; else echo $(RANLIB_PROG); fi` \
DEMANGLE=`if [ -f $$rootme/$(DEMANGLER_PROG) ] ; then echo $$rootme/$(DEMANGLER_PROG) ; else echo $(DEMANGLER_PROG); fi`"
"RUNTESTFLAGS=$(RUNTESTFLAGS)"
#
## The rules
@ -180,7 +173,6 @@ testsuite:
check: force
rootme=`pwd`; export rootme; cd testsuite ; \
$(MAKE) check $(FLAGS_TO_PASS)
# /bin/sh $(srcdir)/sanity.sh .
installcheck:
/bin/sh $(srcdir)/sanity.sh $(bindir)
@ -270,6 +262,35 @@ objcopy_with_strip: $(ADDL_LIBS) objcopy.o maybe-strip.o $(BFD)
-rm -f $(STRIP_PROG)
-ln $(OBJCOPY_PROG) $(STRIP_PROG)
sysroff.c: sysinfo sysroff.info
./sysinfo -c <$(srcdir)/sysroff.info >sysroff.c
./sysinfo -i <$(srcdir)/sysroff.info >>sysroff.c
./sysinfo -g <$(srcdir)/sysroff.info >>sysroff.c
sysroff.h: sysinfo sysroff.info
./sysinfo -d <$(srcdir)/sysroff.info >sysroff.h
sysinfo.c: sysinfo.y
$(BISON) -tvd $(srcdir)/sysinfo.y
rm -f sysinfo.c
-mv y.tab.c sysinfo.c
syslex.c : syslex.l
$(LEX) $(LEX_OPTIONS) $(srcdir)/syslex.l
mv lex.yy.c syslex.c
sysinfo: sysinfo.o syslex.o $(ADDL_LIBS)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ sysinfo.o syslex.o $(ADDL_LIBS) $(EXTRALIBS)
srconv: sysroff.c srconv.o sysroff.c sysroff.h coffgrok.o $(ADDL_LIBS)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ srconv.o coffgrok.o $(ADDL_LIBS) $(EXTRALIBS)
coffdump: coffdump.o coffgrok.o $(ADDL_LIBS)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ coffdump.o coffgrok.o $(ADDL_LIBS) $(EXTRALIBS)
sysdump: sysroff.h sysroff.c sysdump.o $(ADDL_LIBS)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ sysdump.o $(ADDL_LIBS) $(EXTRALIBS)
nlmheader.c: nlmheader.y
$(BISON) $(srcdir)/nlmheader.y
rm -f nlmheader.c

183
binutils/coffgrok.h Normal file
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@ -0,0 +1,183 @@
#define T_NULL 0
#define T_VOID 1 /* function argument (only used by compiler) */
#define T_CHAR 2 /* character */
#define T_SHORT 3 /* short integer */
#define T_INT 4 /* integer */
#define T_LONG 5 /* long integer */
#define T_FLOAT 6 /* floating point */
#define T_DOUBLE 7 /* double word */
#define T_STRUCT 8 /* structure */
#define T_UNION 9 /* union */
#define T_ENUM 10 /* enumeration */
#define T_MOE 11 /* member of enumeration*/
#define T_UCHAR 12 /* unsigned character */
#define T_USHORT 13 /* unsigned short */
#define T_UINT 14 /* unsigned integer */
#define T_ULONG 15 /* unsigned long */
#define T_LNGDBL 16 /* long double */
struct coff_reloc
{
int offset;
struct coff_symbol *symbol;
int addend;
};
struct coff_section
{
char *name;
int code;
int data;
int address;
int number; /* 0..n, .text = 0 */
int nrelocs;
int size;
struct coff_reloc *relocs;
struct sec *bfd_section;
};
struct coff_ofile
{
int nsources;
struct coff_sfile *source_head;
struct coff_sfile *source_tail;
int nsections;
struct coff_section *sections;
struct coff_symbol *symbol_list_head;
struct coff_symbol *symbol_list_tail;
};
struct coff_sfile
{
char *name;
struct coff_scope *scope;
struct coff_sfile *next;
};
struct coff_type
{
int size;
enum
{
coff_pointer_type, coff_function_type, coff_array_type, coff_structdef_type, coff_basic_type,
coff_structref_type, coff_enumref_type, coff_enumdef_type
} type;
union
{
struct
{
int isstruct;
struct coff_scope *elements;
int idx;
}
astructdef;
struct
{
struct coff_symbol *ref;
} astructref;
struct
{
struct coff_scope *elements;
int idx;
} aenumdef;
struct
{
struct coff_symbol *ref;
} aenumref;
struct
{
struct coff_type *points_to;
} pointer;
struct
{
int dim;
struct coff_type *array_of;
} array;
struct
{
struct coff_type *function_returns;
struct coff_scope *parameters;
struct coff_scope *code;
struct coff_line *lines;
} function;
int basic; /* One of T_VOID.. T_UINT */
} u;
};
struct coff_line
{
int nlines;
int *lines;
int *addresses;
};
struct coff_scope
{
struct coff_scope *parent; /* one up */
struct coff_scope *next; /*next along */
int nvars;
struct coff_symbol *vars_head; /* symbols */
struct coff_symbol *vars_tail;
struct coff_scope *list_head; /* children */
struct coff_scope *list_tail;
};
struct coff_visible
{
enum coff_vis_type
{
coff_vis_ext_def,
coff_vis_ext_ref,
coff_vis_int_def,
coff_vis_common,
coff_vis_auto,
coff_vis_register,
coff_vis_tag,
coff_vis_member_of_struct,
coff_vis_member_of_enum,
} type;
};
struct coff_where
{
enum
{
coff_where_stack, coff_where_memory, coff_where_register, coff_where_unknown,
coff_where_strtag, coff_where_member_of_struct,
coff_where_member_of_enum, coff_where_entag, coff_where_typedef
} where;
int offset;
int bitoffset;
int bitsize;
struct coff_section *section;
};
struct coff_symbol
{
char *name;
int tag;
struct coff_type *type;
struct coff_where *where;
struct coff_visible *visible;
struct coff_symbol *next;
struct coff_symbol *next_in_ofile_list; /* For the ofile list */
int number;
};
struct coff_ofile *coff_grok();

426
binutils/sysinfo.y Normal file
View File

@ -0,0 +1,426 @@
%{
extern char *word;
extern char writecode;
extern int number;
extern int unit;
char nice_name[1000];
char *it;
int sofar;
int width;
int code;
char * repeat;
char *oldrepeat;
char *name;
int rdepth;
char *loop [] = {"","n","m","/*BAD*/"};
char *names[] = {" ","[n]","[n][m]"};
char *pnames[]= {"","*","**"};
%}
%union {
int i;
char *s;
}
%token COND
%token REPEAT
%token '(' ')' '[' ']'
%token <s> TYPE
%token <s> NAME
%token <i> NUMBER UNIT
%type <i> attr_size
%type <s> attr_desc attr_id attr_type
%%
top: {
switch (writecode)
{
case 'i':
printf("#ifdef SYSROFF_SWAP_IN\n");
break;
case 'p':
printf("#ifdef SYSROFF_p\n");
break;
case 'd':
break;
case 'g':
printf("#ifdef SYSROFF_SWAP_OUT\n");
break;
case 'c':
printf("#ifdef SYSROFF_PRINT\n");
printf("#include <stdio.h>\n");
printf("#include <stdlib.h>\n");
break;
}
}
it_list {
switch (writecode) {
case 'i':
case 'p':
case 'g':
case 'c':
printf("#endif\n");
break;
case 'd':
break;
}
}
;
it_list: it it_list
|
;
it:
'(' NAME NUMBER
{
it = $2; code = $3;
switch (writecode)
{
case 'd':
printf("\n\n\n#define IT_%s_CODE 0x%x\n", it,code);
printf("struct IT_%s { \n", it);
break;
case 'i':
printf("void sysroff_swap_%s_in(ptr)\n",$2);
printf("struct IT_%s *ptr;\n", it);
printf("{\n");
printf("char raw[255];\n");
printf("\tint idx = 0 ;\n");
printf("\tint size;\n");
printf("memset(raw,0,255);\n");
printf("memset(ptr,0,sizeof(*ptr));\n");
printf("size = fillup(raw);\n");
break;
case 'g':
printf("void sysroff_swap_%s_out(file,ptr,last)\n",$2);
printf("FILE * file;\n");
printf("struct IT_%s *ptr;\n", it);
printf("int last;\n");
printf("{\n");
printf("\tchar raw[255];\n");
printf("\tint idx = 16 ;\n");
printf("\tmemset (raw, 0, 255);\n");
printf("\tcode = IT_%s_CODE;\n", it);
break;
case 'o':
printf("void sysroff_swap_%s_out(abfd,ptr)\n",$2);
printf("bfd * abfd;\n");
printf("struct IT_%s *ptr;\n",it);
printf("{\n");
printf("int idx = 0 ;\n");
break;
case 'c':
printf("void sysroff_print_%s_out(ptr)\n",$2);
printf("struct IT_%s *ptr;\n", it);
printf("{\n");
printf("itheader(\"%s\", IT_%s_CODE);\n",$2,$2);
break;
case 't':
break;
}
}
it_field_list
')'
{
switch (writecode) {
case 'd':
printf("};\n");
break;
case 'g':
printf("\tchecksum(file,raw, idx, IT_%s_CODE, last);\n", it);
case 'i':
case 'o':
case 'c':
printf("}\n");
}
}
;
it_field_list:
it_field it_field_list
| cond_it_field it_field_list
| repeat_it_field it_field_list
|
;
repeat_it_field: '(' REPEAT NAME
{
rdepth++;
switch (writecode)
{
case 'c':
if (rdepth==1)
printf("\tprintf(\"repeat %%d\\n\", %s);\n",$3);
if (rdepth==2)
printf("\tprintf(\"repeat %%d\\n\", %s[n]);\n",$3);
case 'i':
case 'g':
case 'o':
if (rdepth==1)
{
printf("\t{ int n; for (n = 0; n < %s; n++) {\n", $3);
}
if (rdepth == 2) {
printf("\t{ int m; for (m = 0; m < %s[n]; m++) {\n", $3);
}
break;
}
oldrepeat = repeat;
repeat = $3;
}
it_field_list ')'
{
repeat = oldrepeat;
oldrepeat =0;
rdepth--;
switch (writecode)
{
case 'i':
case 'g':
case 'o':
case 'c':
printf("\t}}\n");
}
}
;
cond_it_field: '(' COND NAME
{
switch (writecode)
{
case 'i':
case 'g':
case 'o':
case 'c':
printf("\tif (%s) {\n", $3);
break;
}
}
it_field_list ')'
{
switch (writecode)
{
case 'i':
case 'g':
case 'o':
case 'c':
printf("\t}\n");
}
}
;
it_field:
'(' attr_desc '(' attr_type attr_size ')' attr_id
{name = $7; }
enums ')'
{
char *desc = $2;
char *type = $4;
int size = $5;
char *id = $7;
char *p = names[rdepth];
char *ptr = pnames[rdepth];
switch (writecode)
{
case 'g':
if (size % 8)
{
printf("\twriteBITS(ptr->%s%s,raw,&idx,%d);\n",
id,
names[rdepth], size);
}
else {
printf("\twrite%s(ptr->%s%s,raw,&idx,%d,file);\n",
type,
id,
names[rdepth],size/8);
}
break;
case 'i':
{
if (rdepth >= 1)
{
printf("if (!ptr->%s) ptr->%s = (%s*)xcalloc(%s, sizeof(ptr->%s[0]));\n",
id,
id,
type,
repeat,
id);
}
if (rdepth == 2)
{
printf("if (!ptr->%s[n]) ptr->%s[n] = (%s**)calloc(%s[n], sizeof(ptr->%s[n][0]));\n",
id,
id,
type,
repeat,
id);
}
}
if (size % 8)
{
printf("\tptr->%s%s = getBITS(raw,&idx, %d,size);\n",
id,
names[rdepth],
size);
}
else {
printf("\tptr->%s%s = get%s(raw,&idx, %d,size);\n",
id,
names[rdepth],
type,
size/8);
}
break;
case 'o':
printf("\tput%s(raw,%d,%d,&idx,ptr->%s%s);\n", type,size/8,size%8,id,names[rdepth]);
break;
case 'd':
if (repeat)
printf("\t/* repeat %s */\n", repeat);
if (type[0] == 'I') {
printf("\tint %s%s; \t/* %s */\n",ptr,id, desc);
}
else if (type[0] =='C') {
printf("\tchar %s*%s;\t /* %s */\n",ptr,id, desc);
}
else {
printf("\tbarray %s%s;\t /* %s */\n",ptr,id, desc);
}
break;
case 'c':
printf("tabout();\n");
printf("\tprintf(\"/*%-30s*/ ptr->%s = \");\n", desc, id);
if (type[0] == 'I')
printf("\tprintf(\"%%d\\n\",ptr->%s%s);\n", id,p);
else if (type[0] == 'C')
printf("\tprintf(\"%%s\\n\",ptr->%s%s);\n", id,p);
else if (type[0] == 'B')
{
printf("\tpbarray(&ptr->%s%s);\n", id,p);
}
else abort();
break;
}
}
;
attr_type:
TYPE { $$ = $1; }
| { $$ = "INT";}
;
attr_desc:
'(' NAME ')'
{ $$ = $2; }
;
attr_size:
NUMBER UNIT
{ $$ = $1 * $2; }
;
attr_id:
'(' NAME ')' { $$ = $2; }
| { $$ = "dummy";}
;
enums:
| '(' enum_list ')' ;
enum_list:
|
enum_list '(' NAME NAME ')' {
switch (writecode)
{
case 'd':
printf("#define %s %s\n", $3,$4);
break;
case 'c':
printf("if (ptr->%s%s == %s) { tabout(); printf(\"%s\\n\");}\n", name, names[rdepth],$4,$3);
}
}
;
name:
NAME
{
printf("Got %s\n", word);
}
;
%%
/* four modes
-d write structure defintions for sysroff in host format
-i write functions to swap into sysroff format in
-o write functions to swap into sysroff format out
-c write code to print info in human form */
#include <stdio.h>
#include <stdlib.h>
int yydebug;
char writecode;
int
main(ac,av)
int ac;
char **av;
{
yydebug=0;
if (ac > 1)
writecode = av[1][1];
if (writecode == 'd')
{
printf("typedef struct { unsigned char *data; int len; } barray; \n");
printf("typedef int INT;\n");
printf("typedef char * CHARS;\n");
}
yyparse();
return 0;
}
int yyerror()
{
printf("Error twathead\n");
}