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setup.c
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setup.c
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/* File: "setup.c", Time-stamp: <2011-01-22 00:09:48 feeley> */
/* Copyright (c) 1994-2011 by Marc Feeley, All Rights Reserved. */
/*
* This module contains the routines that setup the Scheme program for
* execution.
*/
#define ___INCLUDED_FROM_SETUP
#define ___VERSION 406001
#include "gambit.h"
#include "os_base.h"
#include "os_dyn.h"
#include "setup.h"
#include "mem.h"
#include "c_intf.h"
/*---------------------------------------------------------------------------*/
/*
* Global state structure.
*/
___EXP_DATA(___global_state_struct,___gstate);
/*
* Global variables needed by this module.
*/
___NEED_GLO(___G__23__23_kernel_2d_handlers) /* from "_kernel.scm" */
___NEED_GLO(___G__23__23_dynamic_2d_env_2d_bind)
/*
* Parameters passed to ___setup.
*/
___HIDDEN ___UCS_2 reset_argv0[] = { 0 };
___HIDDEN ___UCS_2STRING reset_argv[] = { reset_argv0, 0 };
___setup_params_struct ___setup_params =
{ 0, reset_argv, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
/*
* Initial length of symbol table and keyword table.
*/
#define INIT_SYMKEY_TBL_LENGTH 128
/*---------------------------------------------------------------------------*/
/*
* Interrupt handling.
*/
/*
* '___raise_interrupt (code)' is called when an interrupt has
* occured. At some later point in time, the Gambit kernel will cause
* the Scheme procedure ##interrupt-handler to be called with a single
* integer argument indicating which interrupt has been received.
* Interrupt codes are defined in "gambit.h". Currently, the
* following codes are defined:
*
* ___INTR_USER user has interrupted the program (e.g. ctrl-C)
* ___INTR_HEARTBEAT heartbeat time interval has elapsed
* ___INTR_GC a garbage collection has finished
*/
___EXP_FUNC(void,___raise_interrupt)
___P((int code),
(code)
int code;)
{
___processor_state ___ps = ___PSTATE;
/*
* Note: ___raise_interrupt may be called before the processor state
* is initialized. As a consequence, the interrupt(s) received
* before the initialization of the processor state will be ignored.
*/
#ifdef CALL_GC_FREQUENTLY
if (code != ___INTR_USER)
return;
#endif
___ps->intr_flag[code] = 1;
if (___ps->intr_enabled)
___ps->stack_trip = ___ps->stack_start;
}
___EXP_FUNC(void,___begin_interrupt_service) ___PVOID
{
___processor_state ___ps = ___PSTATE;
___ps->stack_trip = ___ps->stack_limit;
}
___EXP_FUNC(___BOOL,___check_interrupt)
___P((int code),
(code)
int code;)
{
___processor_state ___ps = ___PSTATE;
if (___ps->intr_flag[code])
{
___ps->intr_flag[code] = 0;
return 1;
}
return 0;
}
___EXP_FUNC(void,___end_interrupt_service)
___P((int code),
(code)
int code;)
{
___processor_state ___ps = ___PSTATE;
if (___ps->intr_enabled)
{
#ifdef CALL_HANDLER_AT_EVERY_POLL
___ps->stack_trip = ___ps->stack_start;
#else
while (code < ___NB_INTRS)
{
if (___ps->intr_flag[code]) /* don't ignore other interrupts */
{
___ps->stack_trip = ___ps->stack_start;
break;
}
code++;
}
#endif
}
}
___EXP_FUNC(void,___disable_interrupts) ___PVOID
{
___processor_state ___ps = ___PSTATE;
___ps->intr_enabled = 0;
___begin_interrupt_service ();
___end_interrupt_service (0);
}
___EXP_FUNC(void,___enable_interrupts) ___PVOID
{
___processor_state ___ps = ___PSTATE;
___ps->intr_enabled = 1;
___begin_interrupt_service ();
___end_interrupt_service (0);
}
/*---------------------------------------------------------------------------*/
/*
* Routines to setup symbol table, keyword table and global variable
* table.
*/
/*
* The hashing functions 'hash_UTF_8_string (str)' and
* 'hash_scheme_string (str)' must compute the same value as the
* function 'targ-hash' in the file "gsc/_t-c-3.scm".
* A fixnum error code is returned when there is an error.
*/
#define HASH_STEP(h,c) ((((h)>>8) + (c)) * 331804471) & ___MAX_FIX32
___HIDDEN ___SCMOBJ hash_UTF_8_string
___P((___UTF_8STRING str),
(str)
___UTF_8STRING str;)
{
___UM32 h = 0;
___UTF_8STRING p = str;
___UCS_4 c;
for (;;)
{
___UTF_8STRING start = p;
c = ___UTF_8_get (&p);
if (p == start || c > ___MAX_CHR)
return ___FIX(___CTOS_UTF_8STRING_ERR);
if (c == 0)
break;
h = HASH_STEP(h,c);
}
return ___FIX(h);
}
___HIDDEN ___SCMOBJ hash_scheme_string
___P((___SCMOBJ str),
(str)
___SCMOBJ str;)
{
unsigned long i, n = ___INT(___STRINGLENGTH(str));
___UM32 h = 0;
for (i=0; i<n; i++)
h = HASH_STEP(h,___INT(___STRINGREF(str,___FIX(i))));
return ___FIX(h);
}
___HIDDEN ___SCMOBJ symkey_table
___P((unsigned int subtype),
(subtype)
unsigned int subtype;)
{
switch (subtype)
{
case ___sKEYWORD:
return ___GSTATE->keyword_table;
default: /* assume ___sSYMBOL */
return ___GSTATE->symbol_table;
}
}
___HIDDEN void symkey_table_set
___P((unsigned int subtype,
___SCMOBJ new_table),
(subtype,
new_table)
unsigned int subtype;
___SCMOBJ new_table;)
{
switch (subtype)
{
case ___sKEYWORD:
___GSTATE->keyword_table = new_table;
break;
default: /* assume ___sSYMBOL */
___GSTATE->symbol_table = new_table;
break;
}
}
___HIDDEN ___SCMOBJ symkey_table_alloc
___P((unsigned int subtype,
long length),
(subtype,
length)
unsigned int subtype;
long length;)
{
___SCMOBJ tbl = ___make_vector (length+1, ___NUL, ___STILL);
if (!___FIXNUMP(tbl))
___FIELD(tbl,0) = ___FIX(0);
return tbl;
}
___HIDDEN void symkey_add
___P((___SCMOBJ symkey),
(symkey)
___SCMOBJ symkey;)
{
unsigned int subtype = ___INT(___SUBTYPE(symkey));
___SCMOBJ tbl = symkey_table (subtype);
int i = ___INT(___FIELD(symkey,___SYMKEY_HASH))
% (___INT(___VECTORLENGTH(tbl)) - 1)
+ 1;
___FIELD(symkey,___SYMKEY_NEXT) = ___FIELD(tbl,i);
___FIELD(tbl,i) = symkey;
___FIELD(tbl,0) = ___FIXADD(___FIELD(tbl,0),___FIX(1));
if (___INT(___FIELD(tbl,0)) > ___INT(___VECTORLENGTH(tbl)) * 4)
{
int new_len = (___INT(___VECTORLENGTH(tbl))-1) * 2;
___SCMOBJ new_tbl = symkey_table_alloc (subtype, new_len);
if (!___FIXNUMP(new_tbl))
{
for (i=___INT(___VECTORLENGTH(tbl))-1; i>0; i--)
{
___SCMOBJ probe = ___FIELD(tbl,i);
while (probe != ___NUL)
{
___SCMOBJ symkey = probe;
int j = ___INT(___FIELD(symkey,___SYMKEY_HASH))%new_len + 1;
probe = ___FIELD(symkey,___SYMKEY_NEXT);
___FIELD(symkey,___SYMKEY_NEXT) = ___FIELD(new_tbl,j);
___FIELD(new_tbl,j) = symkey;
}
}
___FIELD(new_tbl,0) = ___FIELD(tbl,0);
symkey_table_set (subtype, new_tbl);
}
}
}
___HIDDEN ___SCMOBJ find_symkey_from_UTF_8_string
___P((char *str,
unsigned int subtype),
(str,
subtype)
char *str;
unsigned int subtype;)
{
___SCMOBJ tbl;
___SCMOBJ probe;
___SCMOBJ h = hash_UTF_8_string (str);
if (h < ___FIX(0))
return h;
tbl = symkey_table (subtype);
probe = ___FIELD(tbl, ___INT(h) % (___INT(___VECTORLENGTH(tbl))-1) + 1);
while (probe != ___NUL)
{
___SCMOBJ name = ___FIELD(probe,___SYMKEY_NAME);
unsigned long i;
unsigned long n = ___INT(___STRINGLENGTH(name));
___UTF_8STRING p = str;
for (i=0; i<n; i++)
if (___UTF_8_get (&p) !=
___CAST(___UCS_4,___INT(___STRINGREF(name,___FIX(i)))))
goto next;
if (___UTF_8_get (&p) == 0)
return probe;
next:
probe = ___FIELD(probe,___SYMKEY_NEXT);
}
return ___FAL;
}
___SCMOBJ ___find_symkey_from_scheme_string
___P((___SCMOBJ str,
unsigned int subtype),
(str,
subtype)
___SCMOBJ str;
unsigned int subtype;)
{
___SCMOBJ tbl;
___SCMOBJ probe;
___SCMOBJ h = hash_scheme_string (str);
tbl = symkey_table (subtype);
probe = ___FIELD(tbl, ___INT(h) % (___INT(___VECTORLENGTH(tbl))-1) + 1);
while (probe != ___NUL)
{
___SCMOBJ name = ___FIELD(probe,___SYMKEY_NAME);
long i = 0;
long n = ___INT(___STRINGLENGTH(name));
if (___INT(___STRINGLENGTH(str)) == n)
{
for (i=0; i<n; i++)
if (___STRINGREF(str,___FIX(i)) != ___STRINGREF(name,___FIX(i)))
goto next;
return probe;
}
next:
probe = ___FIELD(probe,___SYMKEY_NEXT);
}
return ___FAL;
}
___SCMOBJ ___new_symkey
___P((___SCMOBJ name, /* name must be a permanent object */
unsigned int subtype),
(name,
subtype)
___SCMOBJ name;
unsigned int subtype;)
{
___SCMOBJ obj;
___SCMOBJ tbl;
switch (subtype)
{
case ___sKEYWORD:
obj = ___alloc_scmobj (___sKEYWORD, ___KEYWORD_SIZE<<___LWS, ___PERM);
break;
default: /* assume ___sSYMBOL */
obj = ___alloc_scmobj (___sSYMBOL, ___SYMBOL_SIZE<<___LWS, ___PERM);
break;
}
if (___FIXNUMP(obj))
return obj;
tbl = symkey_table (subtype);
/* object layout is same for ___sSYMBOL and ___sKEYWORD */
___FIELD(obj,___SYMKEY_NAME) = name;
___FIELD(obj,___SYMKEY_HASH) = hash_scheme_string (name);
if (subtype == ___sSYMBOL)
___FIELD(obj,___SYMBOL_GLOBAL) = 0;
symkey_add (obj);
return obj;
}
___HIDDEN ___SCMOBJ make_symkey
___P((___UTF_8STRING str,
unsigned int subtype),
(str,
subtype)
___UTF_8STRING str;
unsigned int subtype;)
{
___SCMOBJ obj = find_symkey_from_UTF_8_string (str, subtype);
if (___FIXNUMP(obj))
return obj;
if (obj == ___FAL)
{
___SCMOBJ name;
___SCMOBJ err;
if ((err = ___NONNULLUTF_8STRING_to_SCMOBJ (str, &name, 0))
!= ___FIX(___NO_ERR))
return err;
obj = ___new_symkey (name, subtype);
}
return obj;
}
___HIDDEN ___SCMOBJ make_global
___P((___UTF_8STRING str,
int supply,
___glo_struct **glo),
(str,
supply,
glo)
___UTF_8STRING str;
int supply;
___glo_struct **glo;)
{
___SCMOBJ sym;
___SCMOBJ g;
___glo_struct *p;
sym = make_symkey (str, ___sSYMBOL);
if (___FIXNUMP(sym))
return sym;
g = ___FIELD(sym,___SYMBOL_GLOBAL);
if (g == ___FIX(0))
{
___processor_state ___ps = ___PSTATE;
___SCMOBJ e;
if ((e = ___alloc_global_var (&p)) != ___FIX(___NO_ERR))
return e;
p->val = supply?___UNB2:___UNB1;
p->prm = ___FAL;
p->next = 0;
if (___ps->glo_list_head == 0)
___ps->glo_list_head = ___CAST(___SCMOBJ,p);
else
___CAST(___glo_struct*,___ps->glo_list_tail)->next =
___CAST(___SCMOBJ,p);
___ps->glo_list_tail = ___CAST(___SCMOBJ,p);
___FIELD(sym,___SYMBOL_GLOBAL) = ___CAST(___SCMOBJ,p);
}
else
{
p = ___CAST(___glo_struct*,g);
if (supply && p->val == ___UNB1)
p->val = ___UNB2;
}
*glo = p;
return ___FIX(___NO_ERR);
}
void ___for_each_symkey
___P((unsigned int subtype,
void (*visit) (___SCMOBJ symkey, void *data),
void *data),
(subtype,
visit,
data)
unsigned int subtype;
void (*visit) ();
void *data;)
{
___SCMOBJ tbl = symkey_table (subtype);
int i;
for (i=___INT(___VECTORLENGTH(tbl))-1; i>0; i--)
{
___SCMOBJ probe = ___FIELD(tbl, i);
while (probe != ___NUL)
{
visit (probe, data);
probe = ___FIELD(probe,___SYMKEY_NEXT);
}
}
}
/*---------------------------------------------------------------------------*/
/*
* Alignment of objects.
*/
___HIDDEN ___SCMOBJ *align
___P((___SCMOBJ *from,
long words,
int need_64bit_alignment),
(from,
words,
need_64bit_alignment)
___SCMOBJ *from;
long words;
int need_64bit_alignment;)
{
___SCMOBJ *to;
#if ___WS == 4
if (need_64bit_alignment)
to = ___ALIGNUP((from+1), 8) - 1;
else
#endif
to = ___ALIGNUP(from, ___WS);
if (from != to)
{
/* move object up */
int i;
for (i=words-1; i>=0; i--)
to[i] = from[i];
}
return to;
}
___HIDDEN ___SCMOBJ align_subtyped
___P((___SCMOBJ *ptr),
(ptr)
___SCMOBJ *ptr;)
{
___SCMOBJ head = ptr[0];
int subtype = ___HD_SUBTYPE(head);
int words = ___HD_WORDS(head);
return ___TAG(align (ptr, words+1, subtype>=___sS64VECTOR), ___tSUBTYPED);
}
/*---------------------------------------------------------------------------*/
/*
* Routines to setup a module for execution.
*/
___HIDDEN ___mod_or_lnk linker_to_mod_or_lnk
___P((___mod_or_lnk (*linker) (___global_state_struct*)),
(linker)
___mod_or_lnk (*linker) ();)
{
___mod_or_lnk mol = linker (&___gstate);
if (mol->module.kind == ___LINKFILE_KIND)
{
void **p = mol->linkfile.linker_tbl;
while (*p != 0)
{
*p = linker_to_mod_or_lnk
(*___CAST(___mod_or_lnk (**) ___P((___global_state_struct*),()),p));
p++;
}
}
return mol;
}
___HIDDEN ___SCMOBJ for_each_module
___P((___mod_or_lnk mol,
___SCMOBJ (*proc) (___module_struct*)),
(mol,
proc)
___mod_or_lnk mol;
___SCMOBJ (*proc) ();)
{
if (mol->module.kind == ___LINKFILE_KIND)
{
void **p = mol->linkfile.linker_tbl;
while (*p != 0)
{
___SCMOBJ e = for_each_module (___CAST(___mod_or_lnk,*p++), proc);
if (e != ___FIX(___NO_ERR))
return e;
}
return ___FIX(___NO_ERR);
}
else
return proc (___CAST(___module_struct*,mol));
}
___HIDDEN void fixref
___P((___SCMOBJ *p,
___SCMOBJ *sym_tbl,
___SCMOBJ *key_tbl,
___SCMOBJ *cns_tbl,
___SCMOBJ *sub_tbl),
(p,
sym_tbl,
key_tbl,
cns_tbl,
sub_tbl)
___SCMOBJ *p;
___SCMOBJ *sym_tbl;
___SCMOBJ *key_tbl;
___SCMOBJ *cns_tbl;
___SCMOBJ *sub_tbl;)
{
___SCMOBJ v = *p;
switch (___TYP(v))
{
case ___tPAIR:
if (___INT(v)<0)
*p = sym_tbl[-1-___INT(v)];
else
*p = ___TAG(___ALIGNUP(&cns_tbl[(___PAIR_SIZE+1)*___INT(v)],___WS),
___tPAIR);
break;
case ___tSUBTYPED:
if (___INT(v)<0)
*p = key_tbl[-1-___INT(v)];
else
*p = sub_tbl[___INT(v)];
break;
}
}
___HIDDEN int module_count;
___HIDDEN ___SCMOBJ module_descr;
___HIDDEN ___SCMOBJ setup_module_phase1
___P((___module_struct *module),
(module)
___module_struct *module;)
{
int i, j;
___SCMOBJ *cns = 0;
int flags = module->flags;
___FAKEWORD *glo_tbl = module->glo_tbl;
int sup_count = module->sup_count;
___UTF_8STRING *glo_names = module->glo_names;
___SCMOBJ *sym_tbl = ___CAST(___SCMOBJ*,module->sym_tbl);
int sym_count = module->sym_count;
___UTF_8STRING *sym_names = module->sym_names;
___SCMOBJ *key_tbl = ___CAST(___SCMOBJ*,module->key_tbl);
int key_count = module->key_count;
___UTF_8STRING *key_names = module->key_names;
___SCMOBJ *lp = module->lp;
___SCMOBJ *lbl_tbl = ___CAST(___SCMOBJ*,module->lbl_tbl);
int lbl_count = module->lbl_count;
___SCMOBJ *ofd_tbl = module->ofd_tbl;
int ofd_length = module->ofd_length;
___SCMOBJ *cns_tbl = module->cns_tbl;
int cns_count = module->cns_count;
___SCMOBJ *sub_tbl = ___CAST(___SCMOBJ*,module->sub_tbl);
int sub_count = module->sub_count;
/*
* Check that the version of the compiler used to compile the module
* is compatible with the compiler used to compile the runtime
* system.
*/
if (module->version / 10000 < ___VERSION / 10000)
return ___FIX(___MODULE_VERSION_TOO_OLD_ERR);
if (module->version / 10000 > ___VERSION / 10000)
return ___FIX(___MODULE_VERSION_TOO_NEW_ERR);
/* Align module's pair table */
if (cns_tbl != 0)
cns = align (cns_tbl, (___PAIR_SIZE+1)*cns_count, 0);
/* Setup module's global variable table */
if (glo_names != 0)
{
/*
* Create global variables in reverse order so that global
* variables bound to c-lambdas are created last.
*/
i = 0;
while (glo_names[i] != 0)
i++;
while (i-- > 0)
{
___glo_struct *glo = 0;
___SCMOBJ e = make_global (glo_names[i], i<sup_count, &glo);
if (e != ___FIX(___NO_ERR))
return e;
glo_tbl[i] = ___CAST(___FAKEWORD,glo);
}
}
/* Setup module's symbol table */
if (sym_names != 0)
{
i = 0;
while (sym_names[i] != 0)
{
___SCMOBJ sym = make_symkey (sym_names[i], ___sSYMBOL);
if (___FIXNUMP(sym))
return sym;
sym_tbl[i] = sym;
i++;
}
}
else
for (i=sym_count-1; i>=0; i--)
sym_tbl[i] = ___TAG(___ALIGNUP(sym_tbl[i], ___WS), ___tSUBTYPED);
/* Setup module's keyword table */
if (key_names != 0)
{
i = 0;
while (key_names[i] != 0)
{
___SCMOBJ key = make_symkey (key_names[i], ___sKEYWORD);
if (___FIXNUMP(key))
return key;
key_tbl[i] = key;
i++;
}
}
else
for (i=key_count-1; i>=0; i--)
key_tbl[i] = ___TAG(___ALIGNUP(key_tbl[i], ___WS), ___tSUBTYPED);
/* Setup module's subtyped object table */
for (i=sub_count-1; i>=0; i--)
sub_tbl[i] = align_subtyped (___CAST(___SCMOBJ*,sub_tbl[i]));
/* Fix references in module's pair table */
for (i=cns_count-1; i>=0; i--)
{
fixref (cns+i*(___PAIR_SIZE+1)+1, sym_tbl, key_tbl, cns_tbl, sub_tbl);
fixref (cns+i*(___PAIR_SIZE+1)+2, sym_tbl, key_tbl, cns_tbl, sub_tbl);
}
/* Fix references in module's subtyped object table */
for (j=sub_count-1; j>=0; j--)
{
___SCMOBJ *p = ___UNTAG_AS(sub_tbl[j],___tSUBTYPED);
___SCMOBJ head = p[0];
int subtype = ___HD_SUBTYPE(head);
int words = ___HD_WORDS(head);
switch (subtype)
{
case ___sSYMBOL:
case ___sKEYWORD:
case ___sVECTOR:
case ___sSTRUCTURE:
case ___sRATNUM:
case ___sCPXNUM:
for (i=1; i<=words; i++)
fixref (p+i, sym_tbl, key_tbl, cns_tbl, sub_tbl);
}
}
/* Align module's out-of-line frame descriptor table */
if (ofd_tbl != 0)
ofd_tbl = ___CAST(___SCMOBJ*,align (ofd_tbl, ofd_length, 0));
/* Align module's label table */
if (lbl_count > 0)
{
___host current_host = 0;
void **hlbl_ptr = 0;
___label_struct *new_lt;
___SCMOBJ *ofd_alloc;
module_count++;
new_lt = ___CAST(___label_struct*,align (lbl_tbl, lbl_count*___LS, 0));
ofd_alloc = ofd_tbl;
for (i=0; i<lbl_count; i++)
{
___label_struct *lbl = &new_lt[i];
___SCMOBJ head = lbl->header;
if (___TESTHEADERTAG(head,___sVECTOR))
{
___UTF_8STRING name =
___CAST(___UTF_8STRING,
___CAST_FAKEVOIDSTAR_TO_VOIDSTAR(lbl->host_label));
if (name == 0)
lbl->host_label = ___CAST(___FAKEVOIDSTAR,___FAL);
else
{
___SCMOBJ sym =
find_symkey_from_UTF_8_string (name, ___sSYMBOL);
if (___FIXNUMP(sym))
return sym;
if (sym == ___FAL)
return ___FIX(___UNKNOWN_ERR);
lbl->host_label = ___CAST(___FAKEVOIDSTAR,sym);
}
fixref (&lbl->entry_or_descr, sym_tbl, key_tbl, cns_tbl, sub_tbl);
if (hlbl_ptr != 0)
hlbl_ptr++; /* skip INTRO label */
}
else
{
if (flags & 1) /* module uses gcc's computed goto? */
{
if (___CAST_FAKEHOST_TO_HOST(lbl->host) != current_host)
{
current_host = ___CAST_FAKEHOST_TO_HOST(lbl->host);
hlbl_ptr = ___CAST(void**,current_host (0));
hlbl_ptr++; /* skip INTRO label */
}
lbl->host_label = ___CAST_VOIDSTAR_TO_FAKEVOIDSTAR(*hlbl_ptr++);
}
if (head == ___MAKE_HD((3<<___LWS),___sRETURN,___PERM))
{
___SCMOBJ descr;
descr = lbl->entry_or_descr;
if (___IFD_GCMAP(descr) == 0) /* out-of-line descriptor? */
{
int fs;
lbl->entry_or_descr = ___CAST(___SCMOBJ,ofd_alloc);
fs = ___OFD_FS(*ofd_alloc);
if (___IFD_KIND(descr) == ___RETI)
fs = ___RETI_CFS_TO_FS(fs);
ofd_alloc += 1 + ___CEILING_DIV(fs,___WORD_WIDTH);
}
}
else
lbl->entry_or_descr = ___TAG(&lbl->header,___tSUBTYPED);
}
}
*lp = ___TAG(new_lt,___tSUBTYPED);
}
return ___FIX(___NO_ERR);
}
___HIDDEN char module_prefix[] = ___MODULE_PREFIX;
#define module_prefix_length (sizeof(module_prefix)-1)
___HIDDEN ___SCMOBJ setup_module_phase2
___P((___module_struct *module),
(module)
___module_struct *module;)
{
___UTF_8STRING *glo_names = module->glo_names;
if (glo_names != 0)
{
___UTF_8STRING name = module->name;
___FAKEWORD *glo_tbl = module->glo_tbl;
int glo_count = module->glo_count;
int sup_count = module->sup_count;
int i;
for (i=sup_count; i<glo_count; i++)
{
/*
* If the global variable is undefined, add it to the list
* of undefined variables in the module descriptor.
*/
___glo_struct *glo = ___CAST(___glo_struct*,glo_tbl[i]);
if (glo->val == ___UNB1)
{
___SCMOBJ err;
___SCMOBJ glo_name;
___SCMOBJ module_name;
___SCMOBJ pair1;
___SCMOBJ pair2;
if ((err = ___NONNULLUTF_8STRING_to_SCMOBJ
(glo_names[i],
&glo_name,
0))
!= ___FIX(___NO_ERR))
return err;
if ((err = ___NONNULLUTF_8STRING_to_SCMOBJ
(name+module_prefix_length,
&module_name,
0))
!= ___FIX(___NO_ERR))
{
___release_scmobj (glo_name);
return ___FIX(err);
}
pair1 = ___make_pair (glo_name, module_name, ___STILL);
___release_scmobj (glo_name);
___release_scmobj (module_name);
if (___FIXNUMP(pair1))
return pair1;
pair2 = ___make_pair (pair1, ___FIELD(module_descr,1), ___STILL);
___release_scmobj (pair1);
if (___FIXNUMP(pair2))
return pair2;
___FIELD(module_descr,1) = pair2;
___release_scmobj (pair2);
}
}
}
return ___FIX(___NO_ERR);
}
___HIDDEN ___SCMOBJ setup_module_phase3
___P((___module_struct *module),
(module)
___module_struct *module;)
{
if (module->lbl_count > 0)
{
___SCMOBJ err;
___SCMOBJ mod_name;
___SCMOBJ descr = ___make_vector (2, ___FAL, ___STILL);