symcode.c
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/* symcode.c **************************************************
Anubis Web server.
Dumping the symbolic code.
***********************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "compil.h"
/* this function returns:
0 if not a syscall
1 if a syscall
2 if a syscall32
*/
static int is_syscall(Expr instr)
{
Expr name;
if (consp(instr))
name = car(instr);
else
name = instr;
switch(name)
{
#define sc_item(n,i) case n:
syscall_list
return 1;
#undef sc_item
#define sc32_item(n,i) case n:
syscall32_list
return 2;
#undef sc32_item
default:
return 0;
}
}
static void print_instr(FILE *fp, Expr instr)
{
while (consp(instr))
{
print_expr(fp,car(instr));
fprintf(fp," ");
instr = cdr(instr);
}
if (instr != nil)
{
print_expr(fp,instr);
}
switch (is_syscall(instr))
{
case 0: break;
case 1: fprintf(fp," (syscall)"); break;
case 2: fprintf(fp," (syscall32)"); break;
default: assert(0);
}
}
static void print_micro_context(FILE *fp, int d, Expr mctxt, Expr env)
{
int i = 0;
while (consp(mctxt))
{
fprintf(fp,"\n | ; %3d.%-3d %-20s ",d,i,string_content(car(car(mctxt))));
show_type(fp,cdr(car(mctxt)),env);
i++;
mctxt = cdr(mctxt);
}
}
static U32 get_op_id_from_label(Expr label)
{
int i;
for (i = 0; i < next_compiled_op; i++)
{
if (compiled_ops[i].addr == label)
return compiled_ops[i].op_id;
}
//internal_error("get_op_id_from_label: op id not found for ",label);
return 0;
}
void print_symbolic_code(FILE *fp,
FILE *profile_info, /* is non NULL only if 'profiling' is non 0 */
Expr code,
U32 *offset_addr,
Expr init_addr_val,
Expr var_del_addr_val)
{
while (consp(code))
{
if (car(code) == odd_align)
{
if (!((*offset_addr)&1))
fprintf(fp,"\n%8ld | odd_align",*offset_addr);
}
else if (car(code) == no_instr)
{
}
else if (car(code) == initialization_address)
{
fprintf(fp,"\n%8ld | initialization_address %d",*offset_addr,integer_value(init_addr_val));
}
else if (car(code) == variables_deletion_address)
{
fprintf(fp,"\n%8ld | variables_deletion_address %d",*offset_addr,integer_value(var_del_addr_val));
}
else if (consp(car(code)) && car(car(code)) == jmp_neq) /* (jmp_neq <byte width> . <addr>) */
{
fprintf(fp,"\n%8ld | jmp_neq_%d %d",*offset_addr,
integer_value(second(car(code))),
integer_value(cdr2(car(code))));
}
else if (consp(car(code)) && car(car(code)) == program)
{
print_symbolic_code(fp,profile_info,cdr(car(code)),offset_addr,init_addr_val,var_del_addr_val);
}
else if (consp(car(code)) && (car(car(code)) == label || car(car(code)) == ret_point))
{
int i = integer_value(cdr(car(code)));
if (i < 0 || i >= offsets_size)
{
fprintf(fp,"\n%8ld | label %d (at offset ?)",*offset_addr,i);
}
else
{
fprintf(fp,"\n%8ld | label %d ", *offset_addr, i);
}
}
else if (consp(car(code)) && car(car(code)) == comment)
{
fprintf(fp,"\n | ; %s",string_content(cdr(car(code))));
}
else if (consp(car(code)) && car(car(code)) == address)
{
U32 opid = get_op_id_from_label(cdr(car(code)));
if (opid)
fprintf(fp,"\n%8ld | address %-10d ('%s' in '%s' at line %d)",
*offset_addr,
integer_value(cdr(car(code))),
string_content(car(operations[opid].names)),
string_content(operations[opid].abs_file_path),
integer_value(operations[opid].line));
else
fprintf(fp,"\n%8ld | address %-10d",
*offset_addr,
integer_value(cdr(car(code))));
}
else if (consp(car(code)) && car(car(code)) == push_addr)
{
U32 opid = get_op_id_from_label(cdr(car(code)));
if (opid)
fprintf(fp,"\n%8ld | push_addr %-10d ('%s' in '%s' at line %d)",
*offset_addr,
integer_value(cdr(car(code))),
string_content(car(operations[opid].names)),
string_content(operations[opid].abs_file_path),
integer_value(operations[opid].line));
else
fprintf(fp,"\n%8ld | push_addr %-10d",
*offset_addr,
integer_value(cdr(car(code))));
}
else if (consp(car(code)) && car(car(code)) == jmpf) /* (jmpf addr . k) */
{
U32 opid = get_op_id_from_label(cdr(car(code)));
if (opid)
fprintf(fp,"\n%8ld | jmpf %-10d %d ('%s' in '%s' at line %d)",
*offset_addr,
integer_value(second(car(code))),
integer_value(cdr2(car(code))),
string_content(car(operations[opid].names)),
string_content(operations[opid].abs_file_path),
integer_value(operations[opid].line));
else
fprintf(fp,"\n%8ld | jmpf %-10d %d",
*offset_addr,
integer_value(second(car(code))),
integer_value(cdr2(car(code))));
}
else if (consp(car(code)) && car(car(code)) == type_list)
{
Expr types = cdr(car(code));
fprintf(fp,"\n | ; for types:");
fprintf(fp,"\n | ; ");
while (consp(types))
{
fprintf(fp,"\n | ; ");
show_type(fp,car(types),nil);
types = cdr(types);
}
fprintf(fp,"\n | ; ");
}
else if (consp(car(code)) && car(car(code)) == header)
{
fprintf(fp,"\n---------|--------------------------------------------------------"
"\n |"
"\n | %s"
"\n |",string_content(cdr(car(code))));
if (profiling)
{
fprintf (profile_info,"%10u %s\n",(unsigned)*offset_addr,string_content(cdr(car(code))));
}
}
else if (consp(car(code)) && car(car(code)) == load_word32)
{
fprintf(fp,"\n%8ld | load_word32 %d",*offset_addr,(int)cdr(car(code)));
}
else if (consp(car(code)) && car(car(code)) == word_64)
{
Expr bigits = cdr(car(code));
fprintf(fp,"\n%8ld | word_64 %08x %08x",*offset_addr,car(bigits),cdr(bigits));
}
else if (consp(car(code)) && car(car(code)) == word_128)
{
Expr bigits = cdr(car(code));
fprintf(fp,"\n%8ld | word_128 %08x %08x %08x %08x",*offset_addr,
car(bigits),second(bigits),third(bigits),cdr3(bigits));
}
else if (consp(car(code)) && car(car(code)) == load_int_small)
{
Expr bigits = cdr(car(code));
fprintf(fp,"\n%8ld | load_int_small %d",*offset_addr,word32_value(bigits));
}
else if (consp(car(code)) && car(car(code)) == load_int_big)
{
Expr bigits = cdr(car(code));
fprintf(fp,"\n%8ld | load_int_big [%d 256-bigits] ",*offset_addr,length(bigits));
while(consp(bigits))
{
fprintf(fp,"%03d ",integer_value(car(bigits)));
bigits = cdr(bigits);
}
}
else if (consp(car(code)) && car(car(code)) == code_for)
{
fprintf(fp,"\n | ; code for ");
print_expr(fp,second(car(code)));
}
else if (consp(car(code)) && car(car(code)) == string)
{
fprintf(fp,"\n%8ld | ",*offset_addr);
print_instr(fp,car(code));
fprintf(fp," (\"%s\")",
string_content(compiled_strings[integer_value(cdr(car(code)))].string));
}
else if (consp(car(code)) && car(car(code)) == context)
{
Expr ctxt = second(car(code));
Expr env = cdr2(car(code));
int d = 0;
//debug(ctxt);
fprintf(fp,"\n | ;--- stack ------------------------");
while(consp(ctxt))
{
if (is_string(car(car(ctxt))))
{
fprintf(fp,"\n | ; %3d %-20s ",d,string_content(car(car(ctxt))));
show_type(fp,cdr(car(ctxt)),env);
}
else if (car(car(ctxt)) == ret)
{
fprintf(fp,"\n | ; %3d (return address)",
d);
}
else if (car(car(ctxt)) == f_micro_ctxt)
{
/*
fprintf(fp,"\n | ; %3d ---- micro context ----",
d);
*/
if (second(car(ctxt)) != nil)
{
fprintf(fp,"\n | ; %3d %-20s ",
d,string_content(second(car(ctxt))));
show_type(fp,third(car(ctxt)),env);
}
print_micro_context(fp,d,cdr3(car(ctxt)),env);
}
else
{
fprintf(fp,"\n | ; %3d ",d);
show_type(fp,cdr(car(ctxt)),env);
}
ctxt = cdr(ctxt);
d++;
}
fprintf(fp,"\n | ;----------------------------------");
}
else
{
fprintf(fp,"\n%8ld | ",*offset_addr);
print_instr(fp,car(code));
}
if (!(consp(car(code)) && car(car(code)) == program))
*offset_addr += instruction_size(car(code),*offset_addr);
code = cdr(code);
}
//fprintf(fp,"\n\n");
}