ptrdiff_t insert_opcode2(unsigned int f,
INT32 b,
INT32 c,
INT32 current_line,
struct pike_string *current_file)
{
p_instr *p;
#ifdef PIKE_DEBUG
if(!hasarg2(f) && c)
Pike_fatal("hasarg2(%d) is wrong!\n",f);
#endif
p=(p_instr *)low_make_buf_space(sizeof(p_instr), &instrbuf);
#ifdef PIKE_DEBUG
if(!instrbuf.s.len)
Pike_fatal("Low make buf space failed!!!!!!\n");
#endif
p->opcode=f;
p->line=current_line;
copy_shared_string(p->file, dmalloc_touch_named(struct pike_string *,
current_file,
"insert_opcode"));
p->arg=b;
p->arg2=c;
return p - (p_instr *)instrbuf.s.str;
}
void sparc_debug_check_registers(int state,
struct Pike_interpreter_struct *cached_ip,
struct pike_frame *cached_fp,
struct svalue *cached_sp,
struct svalue **cached_mark_sp)
{
if (((state & SPARC_CODEGEN_IP_IS_SET) &&
(cached_ip != Pike_interpreter_pointer)) ||
((state & SPARC_CODEGEN_FP_IS_SET) &&
(cached_fp != Pike_interpreter.frame_pointer)) ||
((state & SPARC_CODEGEN_SP_IS_SET) &&
(cached_sp != Pike_interpreter.stack_pointer)) ||
((state & SPARC_CODEGEN_MARK_SP_IS_SET) &&
(cached_mark_sp != Pike_interpreter.mark_stack_pointer))) {
Pike_fatal("Bad machine code cache key (0x%04x):\n"
"Cached: ip:0x%08x, fp:0x%08x, sp:0x%08x, m_sp:0x%08x\n"
" Real: ip:0x%08x, fp:0x%08x, sp:0x%08x, m_sp:0x%08x\n",
state,
(INT32)cached_ip, (INT32)cached_fp,
(INT32)cached_sp, (INT32)cached_mark_sp,
(INT32)Pike_interpreter_pointer,
(INT32)Pike_interpreter.frame_pointer,
(INT32)Pike_interpreter.stack_pointer,
(INT32)Pike_interpreter.mark_stack_pointer);
}
}
HCHAR *NameNH(boyer_moore_hubbe)(struct boyer_moore_hubbe_searcher *s,
HCHAR *haystack,
ptrdiff_t haystacklen)
{
ptrdiff_t i=s->plen-1;
ptrdiff_t hlen=haystacklen;
if(NEEDLELEN > s->plen)
hlen -= NEEDLELEN-s->plen;
restart:
while(i<hlen)
{
ptrdiff_t k,j;
if((k=s->d1[ NameNH(BMHASH)( haystack[i] ) ]))
i+=k;
else
{
#if NSHIFT == 0
j=s->plen-1;
#ifdef PIKE_DEBUG
if(NEEDLE[j] != haystack[i])
Pike_fatal("T2BM failed!\n");
#endif
#else
i++;
j=s->plen;
#endif
while(NEEDLE[--j] == haystack[--i])
{
if(!j)
{
if(NEEDLELEN > s->plen)
{
if(!NameNH(MEMCMP)(NEEDLE+s->plen,
haystack+i+s->plen, NEEDLELEN-s->plen))
{
return haystack+i;
}else{
/* this can be optimized... */
i+=s->plen;
goto restart;
}
}else{
return haystack+i;
}
}
}
i+=
(s->d1[ NameNH(BMHASH)(haystack[i]) ] >= s->d2[j]) ?
(s->d1[ NameNH(BMHASH)(haystack[i]) ]):
(s->d2[j]);
}
}
return 0;
}
ptrdiff_t insert_opcode0(int f,int current_line, struct pike_string *current_file)
{
#ifdef PIKE_DEBUG
if(hasarg(f))
Pike_fatal("hasarg(%d) is wrong!\n",f);
#endif
return insert_opcode1(f,0,current_line, current_file);
}
ptrdiff_t insert_opcode(p_instr *opcode)
{
/* Note: Steals references from opcode. */
p_instr *p = (p_instr *)low_make_buf_space(sizeof(p_instr), &instrbuf);
if (!p) Pike_fatal("Out of memory in peep.\n");
*p = *opcode;
num_instrs++;
return p - (p_instr *)instrbuf.s.str;
}
static void bootstrap_push_int64 (INT64 i)
{
if(i == DO_NOT_WARN((INT_TYPE)i))
{
push_int(DO_NOT_WARN((INT_TYPE)i));
}
else
Pike_fatal ("Failed to convert large integer (Gmp.bignum not loaded).\n");
}
void update_arg(int instr,INT32 arg)
{
p_instr *p;
#ifdef PIKE_DEBUG
if(instr > (long)instrbuf.s.len / (long)sizeof(p_instr) || instr < 0)
Pike_fatal("update_arg outside known space.\n");
#endif
p=(p_instr *)instrbuf.s.str;
p[instr].arg=arg;
}
static int got_port_event (struct fd_callback_box *box, int DEBUGUSED(event))
{
struct port *p = (struct port *) box;
#ifdef PIKE_DEBUG
#ifndef __NT__
if(!query_nonblocking(p->box.fd))
Pike_fatal("Port is in blocking mode in port accept callback!!!\n");
#endif
if (event != PIKE_FD_READ)
Pike_fatal ("Got unexpected event %d.\n", event);
#endif
p->my_errno = errno; /* Propagate backend setting. */
p->immediate_cnt++;
push_svalue (&p->id);
apply_svalue(& p->accept_callback, 1);
pop_stack();
return 0;
}
void init_opcodes(void)
{
unsigned int i;
#ifdef PIKE_DEBUG
int fatal_later=0;
#ifdef INSTR_PROFILING
instr_counter_storage=init_instr_storage_pointers(p_flag);
#endif
#endif
for(i=0; i<NELEM(instr_names);i++)
{
#ifdef PIKE_DEBUG
if(instr_names[i].token >= F_MAX_INSTR)
{
fprintf(stderr,"Error in instr_names[%u]\n\n",i);
fatal_later++;
}
if(instrs[instr_names[i].token - F_OFFSET].name)
{
fprintf(stderr,"Duplicate name for %s\n",instr_names[i].word);
fatal_later++;
}
#endif
instrs[instr_names[i].token - F_OFFSET].name = instr_names[i].word;
instrs[instr_names[i].token - F_OFFSET].flags=instr_names[i].flags;
#ifdef PIKE_USE_MACHINE_CODE
instrs[instr_names[i].token - F_OFFSET].address=instr_names[i].address;
#endif
}
#ifdef PIKE_USE_MACHINE_CODE
instrs_checksum = hashmem((const unsigned char*)instrs, sizeof(instrs),
sizeof(struct instr));
/* fprintf(stderr, "Instruction checksum: %d\n", instrs_checksum); */
#endif /* PIKE_USE_MACHINE_CODE */
#ifdef PIKE_DEBUG
for(i=1; i<F_MAX_OPCODE-F_OFFSET;i++)
{
if(!instrs[i].name)
{
fprintf(stderr,"Opcode %d does not have a name.\n",i);
fatal_later++;
}
}
if(fatal_later)
Pike_fatal("Found %d errors in instrs.\n",fatal_later);
#endif
}
ptrdiff_t insert_opcode1(unsigned int f,
INT32 b,
INT32 current_line,
struct pike_string *current_file)
{
#ifdef PIKE_DEBUG
if(!hasarg(f) && b)
Pike_fatal("hasarg(%d) is wrong!\n",f);
#endif
return insert_opcode2(f,b,0,current_line,current_file);
}
/* Unload all the dynamically loaded modules. */
void free_dynamic_load(void)
{
#ifdef USE_DYNAMIC_MODULES
while(dynamic_module_list)
{
struct module_list *tmp=dynamic_module_list;
dynamic_module_list=tmp->next;
#ifndef DEBUG_MALLOC
dlclose(tmp->module);
#endif
#ifdef PIKE_DEBUG
if (tmp->module_prog)
Pike_fatal ("There's still a program for a dynamic module.\n");
#endif
free((char *)tmp);
}
#endif
}
PMOD_EXPORT SearchMojt compile_memsearcher(PCHARP needle,
ptrdiff_t needlelen,
int max_haystacklen,
struct pike_string *hashkey)
{
switch(needle.shift)
{
case 0:
return compile_memsearcher0((p_wchar0*)needle.ptr, needlelen, max_haystacklen,hashkey);
case 1:
return compile_memsearcher1((p_wchar1*)needle.ptr, needlelen, max_haystacklen,hashkey);
case 2:
return compile_memsearcher2((p_wchar2*)needle.ptr, needlelen, max_haystacklen,hashkey);
}
#ifdef PIKE_DEBUG
Pike_fatal("Illegal shift\n");
#endif
/* NOTREACHED */
}
PMOD_EXPORT void pike_init_memsearch(struct pike_mem_searcher *s,
PCHARP needle,
ptrdiff_t needlelen,
ptrdiff_t max_haystacklen)
{
switch(needle.shift)
{
case 0:
init_memsearch0(s,(p_wchar0*)needle.ptr, needlelen, max_haystacklen);
return;
case 1:
init_memsearch1(s,(p_wchar1*)needle.ptr, needlelen, max_haystacklen);
return;
case 2:
init_memsearch2(s,(p_wchar2*)needle.ptr, needlelen, max_haystacklen);
return;
}
#ifdef PIKE_DEBUG
Pike_fatal("Illegal shift\n");
#endif
}
/* Read some data from the blocking object.
*
*/
static int read_some_data(void)
{
struct pipe *this = THIS;
struct input * i = this->firstinput;
if (!i || i->type != I_BLOCKING_OBJ) {
Pike_fatal("PIPE: read_some_data(): Bad input type!\n");
return -1;
}
push_int(8192);
push_int(1); /* We don't care if we don't get all 8192 bytes. */
apply(i->u.obj, "read", 2);
if ((sp[-1].type == T_STRING) && (sp[-1].u.string->len > 0)) {
append_buffer(sp[-1].u.string);
pop_stack();
THIS->sleeping = 1;
return(1); /* Success */
}
/* FIXME: Should we check the return value here? */
pop_stack();
/* EOF */
return(0); /* EOF */
}
static void make_colors(void)
{
static struct color
{
int r,g,b;
char *name;
struct pike_string *pname;
} c[]={
#define COLOR(name,R,G,B) \
{R,G,B,name,NULL},
#include "colors.h"
#undef COLOR
};
int i;
const int n=sizeof(c)/sizeof(c[0]);
for (i=0; (size_t)i<sizeof(html_color)/sizeof(html_color[0]); i++)
html_color[i].pname=make_shared_string(html_color[i].name);
for (i=0;i<n;i++)
{
struct color_struct *cs;
push_text(c[i].name);
copy_shared_string(c[i].pname,sp[-1].u.string);
push_object(clone_object(image_color_program,0));
cs=get_storage(sp[-1].u.object,image_color_program);
cs->rgb.r=(COLORTYPE)c[i].r;
cs->rgb.g=(COLORTYPE)c[i].g;
cs->rgb.b=(COLORTYPE)c[i].b;
RGB_TO_RGBL(cs->rgbl,cs->rgb);
copy_shared_string(cs->name,c[i].pname);
}
f_aggregate_mapping(n*2);
colors=sp[-1].u.mapping;
sp--;
dmalloc_touch_svalue(sp);
for (i=0;i<n;i++)
{
push_int(c[i].r);
push_int(c[i].g);
push_int(c[i].b);
f_aggregate(3);
}
f_aggregate(n);
colortable=clone_object(image_colortable_program,1);
if (!colortable)
Pike_fatal("couldn't create colortable\n");
push_int(12);
push_int(12);
push_int(12);
push_int(1);
safe_apply(colortable,"cubicles",4);
pop_stack();
for (i=0;i<n;i++)
push_string(c[i].pname);
f_aggregate(n);
colornames=sp[-1].u.array;
sp--;
dmalloc_touch_svalue(sp);
}
INT32 assemble(int store_linenumbers)
{
INT32 entry_point;
INT32 max_label=-1,tmp;
INT32 *labels, *jumps, *uses, *aliases;
ptrdiff_t e, length;
p_instr *c;
#ifdef PIKE_PORTABLE_BYTECODE
struct pike_string *tripples = NULL;
#endif /* PIKE_PORTABLE_BYTECODE */
#ifdef PIKE_DEBUG
INT32 max_pointer=-1;
int synch_depth = 0;
size_t fun_start = Pike_compiler->new_program->num_program;
#endif
int relabel;
int reoptimize = relabel = !(debug_options & NO_PEEP_OPTIMIZING);
c=(p_instr *)instrbuf.s.str;
length=instrbuf.s.len / sizeof(p_instr);
#ifdef PIKE_DEBUG
if((a_flag > 1 && store_linenumbers) || a_flag > 2)
{
for (e = 0; e < length; e++) {
if (c[e].opcode == F_POP_SYNCH_MARK) synch_depth--;
fprintf(stderr, "~~~%4d %4lx %*s", c[e].line,
DO_NOT_WARN((unsigned long)e), synch_depth, "");
dump_instr(c+e);
fprintf(stderr,"\n");
if (c[e].opcode == F_SYNCH_MARK) synch_depth++;
}
if (synch_depth) {
Pike_fatal("Unbalanced sync_mark/pop_sync_mark: %d\n", synch_depth);
}
}
#endif
#ifdef PIKE_PORTABLE_BYTECODE
/* No need to do this for constant evaluations. */
if (store_linenumbers) {
p_wchar2 *current_tripple;
struct pike_string *previous_file = NULL;
int previous_line = 0;
ptrdiff_t num_linedirectives = 0;
/* Count the number of F_FILENAME/F_LINE pseudo-ops we need to add. */
for (e=0; e < length; e++) {
if (c[e].file != previous_file) {
previous_file = dmalloc_touch_named(struct pike_string *,
c[e].file, "prev_file");
num_linedirectives++;
}
if (c[e].line != previous_line) {
previous_line = c[e].line;
num_linedirectives++;
}
}
/* fprintf(stderr, "length:%d directives:%d\n",
* length, num_linedirectives);
*/
if (!(tripples = begin_wide_shared_string(3*(length+num_linedirectives),
2))) {
Pike_fatal("Failed to allocate wide string of length %d 3*(%d + %d).\n",
3*(length+num_linedirectives), length, num_linedirectives);
}
previous_file = NULL;
previous_line = 0;
current_tripple = STR2(tripples);
for (e = 0; e < length; e++) {
if (c[e].file != previous_file) {
current_tripple[0] = F_FILENAME;
current_tripple[1] =
store_prog_string(dmalloc_touch_named(struct pike_string *,
c[e].file,
"store_prog_string"));
current_tripple[2] = 0;
current_tripple += 3;
previous_file = dmalloc_touch_named(struct pike_string *,
c[e].file, "prev_file");
}
if (c[e].line != previous_line) {
current_tripple[0] = F_LINE;
current_tripple[1] = c[e].line;
current_tripple[2] = 0;
current_tripple += 3;
previous_line = c[e].line;
}
current_tripple[0] = c[e].opcode;
current_tripple[1] = c[e].arg;
current_tripple[2] = c[e].arg2;
current_tripple += 3;
}
/*! @decl program load_module(string module_name)
*!
*! Load a binary module.
*!
*! This function loads a module written in C or some other language
*! into Pike. The module is initialized and any programs or constants
*! defined will immediately be available.
*!
*! When a module is loaded the C function @tt{pike_module_init()@} will
*! be called to initialize it. When Pike exits @tt{pike_module_exit()@}
*! will be called. These two functions @b{must@} be available in the module.
*!
*! @note
*! The current working directory is normally not searched for
*! dynamic modules. Please use @expr{"./name.so"@} instead of just
*! @expr{"name.so"@} to load modules from the current directory.
*/
void f_load_module(INT32 args)
{
extern int global_callable_flags;
void *module;
modfun init, exit;
struct module_list *new_module;
struct pike_string *module_name;
ONERROR err;
module_name = Pike_sp[-args].u.string;
if((Pike_sp[-args].type != T_STRING) ||
(module_name->size_shift) ||
string_has_null(module_name)) {
Pike_error("Bad argument 1 to load_module()\n");
}
{
struct module_list *mp;
for (mp = dynamic_module_list; mp; mp = mp->next)
if (mp->name == module_name && mp->module_prog) {
pop_n_elems(args);
ref_push_program(mp->module_prog);
return;
}
}
/* Removing RTLD_GLOBAL breaks some PiGTK themes - Hubbe */
/* Using RTLD_LAZY is faster, but makes it impossible to
* detect linking problems at runtime..
*/
module=dlopen(module_name->str,
RTLD_NOW /*|RTLD_GLOBAL*/ );
if(!module)
{
struct object *err_obj = low_clone (module_load_error_program);
#define LOADERR_STRUCT(OBJ) \
((struct module_load_error_struct *) (err_obj->storage + module_load_error_offset))
const char *err = dlerror();
if (err) {
if (err[strlen (err) - 1] == '\n')
push_string (make_shared_binary_string (err, strlen (err) - 1));
else
push_text (err);
}
else
push_constant_text ("Unknown reason");
add_ref (LOADERR_STRUCT (err_obj)->path = Pike_sp[-args - 1].u.string);
add_ref (LOADERR_STRUCT (err_obj)->reason = Pike_sp[-1].u.string);
if (Pike_sp[-args].u.string->len < 1024) {
throw_error_object (err_obj, "load_module", Pike_sp - args - 1, args,
"load_module(\"%s\") failed: %s\n",
module_name->str, Pike_sp[-1].u.string->str);
} else {
throw_error_object (err_obj, "load_module", Pike_sp - args - 1, args,
"load_module() failed: %s\n",
Pike_sp[-1].u.string->str);
}
}
#ifdef PIKE_DEBUG
{
struct module_list *mp;
for (mp = dynamic_module_list; mp; mp = mp->next)
if (mp->module == module && mp->module_prog) {
fprintf(stderr, "load_module(): Module loaded twice:\n"
"Old name: %s\n"
"New name: %s\n",
mp->name->str, module_name->str);
pop_n_elems(args);
ref_push_program(mp->module_prog);
return;
}
}
#endif /* PIKE_DEBUG */
init = CAST_TO_FUN(dlsym(module, "pike_module_init"));
if (!init) {
init = CAST_TO_FUN(dlsym(module, "_pike_module_init"));
if (!init) {
dlclose(module);
Pike_error("pike_module_init missing in dynamic module \"%S\".\n",
module_name);
}
}
exit = CAST_TO_FUN(dlsym(module, "pike_module_exit"));
if (!exit) {
exit = CAST_TO_FUN(dlsym(module, "_pike_module_exit"));
if (!exit) {
dlclose(module);
Pike_error("pike_module_exit missing in dynamic module \"%S\".\n",
module_name);
}
}
#if defined(__NT__) && defined(_M_IA64)
{
fprintf(stderr, "pike_module_init: 0x%p\n"
" func: 0x%p\n"
" gp: 0x%p\n",
init, ((void **)init)[0], ((void **)init)[1]);
fprintf(stderr, "pike_module_exit: 0x%p\n"
" func: 0x%p\n"
" gp: 0x%p\n",
exit, ((void **)exit)[0], ((void **)exit)[1]);
}
#endif /* __NT__ && _M_IA64 */
new_module=ALLOC_STRUCT(module_list);
new_module->next=dynamic_module_list;
dynamic_module_list=new_module;
new_module->module=module;
copy_shared_string(new_module->name, Pike_sp[-args].u.string);
new_module->module_prog = NULL;
new_module->init=init;
new_module->exit=exit;
enter_compiler(new_module->name, 1);
start_new_program();
global_callable_flags|=CALLABLE_DYNAMIC;
#ifdef PIKE_DEBUG
{ struct svalue *save_sp=Pike_sp;
#endif
SET_ONERROR(err, cleanup_compilation, NULL);
#if defined(__NT__) && defined(_M_IA64)
fprintf(stderr, "Calling pike_module_init()...\n");
#endif /* __NT__ && _M_IA64 */
(*(modfun)init)();
#if defined(__NT__) && defined(_M_IA64)
fprintf(stderr, "pike_module_init() done.\n");
#endif /* __NT__ && _M_IA64 */
UNSET_ONERROR(err);
#ifdef PIKE_DEBUG
if(Pike_sp != save_sp)
Pike_fatal("load_module(%s) left %ld droppings on stack!\n",
module_name->str,
PTRDIFF_T_TO_LONG(Pike_sp - save_sp));
}
#endif
pop_n_elems(args);
{
struct program *p = end_program();
exit_compiler();
if (p) {
if (
#if 0
p->num_identifier_references
#else /* !0 */
1
#endif /* 0 */
) {
push_program(p);
add_ref(new_module->module_prog = Pike_sp[-1].u.program);
} else {
/* No identifier references -- Disabled module. */
free_program(p);
push_undefined();
}
} else {
/* Initialization failed. */
new_module->exit();
dlclose(module);
dynamic_module_list = new_module->next;
free_string(new_module->name);
free(new_module);
Pike_error("Failed to initialize dynamic module \"%S\".\n",
module_name);
}
}
}
