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/* $OpenBSD: stubs.c,v 1.1 2024/11/19 05:50:41 anton Exp $ */
#include <err.h>
#include <stdarg.h>
#include <stdio.h>
#include <machine/db_machdep.h>
#include <machine/cpu_full.h>
#include <ddb/db_access.h>
#include <ddb/db_interface.h>
#include <ddb/db_command.h>
#include <ddb/db_output.h>
#include <ddb/db_sym.h>
#include "disasm.h"
void (*cnputc)(int) = NULL;
int (*cngetc)(void) = NULL;
char *esym = NULL;
char *ssym = NULL;
struct cpu_info_full cpu_info_full_primary = {0};
int
db_elf_sym_init(int symsize, void *symtab, void *esymtab, const char *name)
{
return 0;
}
Elf_Sym *
db_elf_sym_search(vaddr_t off, db_strategy_t strategy, db_expr_t *diffp)
{
return NULL;
}
int
db_elf_line_at_pc(Elf_Sym *cursym, const char **filename, int *linenum,
db_expr_t off)
{
return 0;
}
void
db_error(char *s)
{
}
void
db_stack_trace_print(db_expr_t addr, int have_addr, db_expr_t count,
char *modif, int (*pr)(const char *, ...))
{
}
void
db_symbol_values(Elf_Sym *sym, const char **namep, db_expr_t *valuep)
{
}
db_expr_t
db_get_value(vaddr_t addr, size_t size, int is_signed)
{
db_expr_t c;
if (ctx->raw.len == 0)
return 0;
c = ctx->raw.buf[0];
ctx->raw.buf++;
ctx->raw.len--;
return c;
}
int
db_printf(const char *fmt, ...)
{
int n = 0;
if (strcmp(fmt, "\n") == 0) {
/* nothing */
} else if (strcmp(fmt, "\t") == 0) {
n = snprintf(&ctx->act.buf[ctx->act.len], ctx->act.siz, " ");
} else {
va_list ap;
va_start(ap, fmt);
n = vsnprintf(&ctx->act.buf[ctx->act.len], ctx->act.siz, fmt,
ap);
va_end(ap);
}
if (n < 0 || (size_t)n >= ctx->act.siz)
errx(1, "buffer too small");
ctx->act.len += n;
ctx->act.siz -= n;
return 0;
}
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