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-rw-r--r--erts/emulator/beam/beam_bif_load.c75
-rw-r--r--erts/emulator/beam/beam_bp.c30
-rw-r--r--erts/emulator/beam/beam_debug.c8
-rw-r--r--erts/emulator/beam/beam_emu.c2
-rw-r--r--erts/emulator/beam/beam_load.c384
-rw-r--r--erts/emulator/beam/beam_load.h112
-rw-r--r--erts/emulator/beam/beam_ranges.c17
-rw-r--r--erts/emulator/beam/break.c30
-rw-r--r--erts/emulator/beam/erl_nif.c16
-rw-r--r--erts/emulator/beam/module.c4
-rw-r--r--erts/emulator/beam/module.h2
-rw-r--r--erts/emulator/hipe/hipe_bif0.c8
12 files changed, 349 insertions, 339 deletions
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index adc3bd37d9..2c275c4649 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -40,7 +40,7 @@
static void set_default_trace_pattern(Eterm module);
static Eterm check_process_code(Process* rp, Module* modp, int allow_gc, int *redsp);
static void delete_code(Module* modp);
-static void decrement_refc(BeamInstr* code);
+static void decrement_refc(BeamCodeHeader*);
static int any_heap_ref_ptrs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size);
static int any_heap_refs(Eterm* start, Eterm* end, char* mod_start, Uint mod_size);
@@ -58,8 +58,8 @@ BIF_RETTYPE code_is_module_native_1(BIF_ALIST_1)
return am_undefined;
}
erts_rlock_old_code(code_ix);
- res = (erts_is_module_native(modp->curr.code) ||
- erts_is_module_native(modp->old.code)) ?
+ res = (erts_is_module_native(modp->curr.code_hdr) ||
+ erts_is_module_native(modp->old.code_hdr)) ?
am_true : am_false;
erts_runlock_old_code(code_ix);
return res;
@@ -81,7 +81,7 @@ BIF_RETTYPE code_make_stub_module_3(BIF_ALIST_3)
modp = erts_get_module(BIF_ARG_1, erts_active_code_ix());
if (modp && modp->curr.num_breakpoints > 0) {
- ASSERT(modp->curr.code != NULL);
+ ASSERT(modp->curr.code_hdr != NULL);
erts_clear_module_break(modp);
ASSERT(modp->curr.num_breakpoints == 0);
}
@@ -281,7 +281,7 @@ finish_loading_1(BIF_ALIST_1)
exceptions = 0;
for (i = 0; i < n; i++) {
p[i].exception = 0;
- if (p[i].modp->curr.code && p[i].modp->old.code) {
+ if (p[i].modp->curr.code_hdr && p[i].modp->old.code_hdr) {
p[i].exception = 1;
exceptions++;
}
@@ -417,7 +417,7 @@ check_old_code_1(BIF_ALIST_1)
modp = erts_get_module(BIF_ARG_1, code_ix);
if (modp != NULL) {
erts_rlock_old_code(code_ix);
- if (modp->old.code != NULL) {
+ if (modp->old.code_hdr) {
res = am_true;
}
erts_runlock_old_code(code_ix);
@@ -441,7 +441,7 @@ erts_check_process_code(Process *c_p, Eterm module, int allow_gc, int *redsp)
if (!modp)
return am_false;
erts_rlock_old_code(code_ix);
- res = modp->old.code ? check_process_code(c_p, modp, allow_gc, redsp) : am_false;
+ res = modp->old.code_hdr ? check_process_code(c_p, modp, allow_gc, redsp) : am_false;
erts_runlock_old_code(code_ix);
return res;
@@ -525,7 +525,7 @@ BIF_RETTYPE delete_module_1(BIF_ALIST_1)
if (!modp) {
res = am_undefined;
}
- else if (modp->old.code != 0) {
+ else if (modp->old.code_hdr) {
erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
erts_dsprintf(dsbufp, "Module %T must be purged before loading\n",
BIF_ARG_1);
@@ -563,8 +563,8 @@ BIF_RETTYPE module_loaded_1(BIF_ALIST_1)
}
code_ix = erts_active_code_ix();
if ((modp = erts_get_module(BIF_ARG_1, code_ix)) != NULL) {
- if (modp->curr.code != NULL
- && modp->curr.code[MI_ON_LOAD_FUNCTION_PTR] == 0) {
+ if (modp->curr.code_hdr
+ && modp->curr.code_hdr->on_load_function_ptr == NULL) {
res = am_true;
}
}
@@ -611,8 +611,8 @@ BIF_RETTYPE call_on_load_function_1(BIF_ALIST_1)
{
Module* modp = erts_get_module(BIF_ARG_1, erts_active_code_ix());
- if (modp && modp->curr.code) {
- BIF_TRAP_CODE_PTR_0(BIF_P, modp->curr.code[MI_ON_LOAD_FUNCTION_PTR]);
+ if (modp && modp->curr.code_hdr) {
+ BIF_TRAP_CODE_PTR_0(BIF_P, modp->curr.code_hdr->on_load_function_ptr);
}
else {
BIF_ERROR(BIF_P, BADARG);
@@ -623,7 +623,6 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
{
ErtsCodeIndex code_ix;
Module* modp;
- Eterm on_load;
if (!erts_try_seize_code_write_permission(BIF_P)) {
ERTS_BIF_YIELD2(bif_export[BIF_finish_after_on_load_2],
@@ -638,14 +637,14 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
code_ix = erts_active_code_ix();
modp = erts_get_module(BIF_ARG_1, code_ix);
- if (!modp || modp->curr.code == 0) {
+ if (!modp || !modp->curr.code_hdr) {
error:
erts_smp_thr_progress_unblock();
erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN);
erts_release_code_write_permission();
BIF_ERROR(BIF_P, BADARG);
}
- if ((on_load = modp->curr.code[MI_ON_LOAD_FUNCTION_PTR]) == 0) {
+ if (modp->curr.code_hdr->on_load_function_ptr == NULL) {
goto error;
}
if (BIF_ARG_2 != am_false && BIF_ARG_2 != am_true) {
@@ -667,7 +666,7 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
ep->code[4] = 0;
}
}
- modp->curr.code[MI_ON_LOAD_FUNCTION_PTR] = 0;
+ modp->curr.code_hdr->on_load_function_ptr = NULL;
set_default_trace_pattern(BIF_ARG_1);
} else if (BIF_ARG_2 == am_false) {
BeamInstr* code;
@@ -679,16 +678,16 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
* the current code; the old code is not touched.
*/
erts_total_code_size -= modp->curr.code_length;
- code = modp->curr.code;
- end = (BeamInstr *)((char *)code + modp->curr.code_length);
+ code = (BeamInstr*) modp->curr.code_hdr;
+ end = (BeamInstr *) ((char *)code + modp->curr.code_length);
erts_cleanup_funs_on_purge(code, end);
beam_catches_delmod(modp->curr.catches, code, modp->curr.code_length,
erts_active_code_ix());
- if (code[MI_LITERALS_START]) {
- erts_free(ERTS_ALC_T_LITERAL, (void *) code[MI_LITERALS_START]);
+ if (modp->curr.code_hdr->literals_start) {
+ erts_free(ERTS_ALC_T_LITERAL, modp->curr.code_hdr->literals_start);
}
- erts_free(ERTS_ALC_T_CODE, (void *) code);
- modp->curr.code = NULL;
+ erts_free(ERTS_ALC_T_CODE, modp->curr.code_hdr);
+ modp->curr.code_hdr = NULL;
modp->curr.code_length = 0;
modp->curr.catches = BEAM_CATCHES_NIL;
erts_remove_from_ranges(code);
@@ -740,7 +739,7 @@ check_process_code(Process* rp, Module* modp, int allow_gc, int *redsp)
/*
* Pick up limits for the module.
*/
- start = modp->old.code;
+ start = (BeamInstr*) modp->old.code_hdr;
end = (BeamInstr *)((char *)start + modp->old.code_length);
/*
@@ -832,8 +831,8 @@ check_process_code(Process* rp, Module* modp, int allow_gc, int *redsp)
* See if there are constants inside the module referenced by the process.
*/
done_gc = 0;
- literals = (char*) modp->old.code[MI_LITERALS_START];
- lit_bsize = (char*) modp->old.code[MI_LITERALS_END] - literals;
+ literals = (char*) modp->old.code_hdr->literals_start;
+ lit_bsize = (char*) modp->old.code_hdr->literals_end - literals;
for (;;) {
ErlMessage* mp;
@@ -888,8 +887,7 @@ check_process_code(Process* rp, Module* modp, int allow_gc, int *redsp)
done_gc = 1;
FLAGS(rp) |= F_NEED_FULLSWEEP;
*redsp += erts_garbage_collect(rp, 0, rp->arg_reg, rp->arity);
- oh = (struct erl_off_heap_header *)
- modp->old.code[MI_LITERALS_OFF_HEAP];
+ oh = modp->old.code_hdr->literals_off_heap;
*redsp += lit_bsize / 64; /* Need, better value... */
erts_garbage_collect_literals(rp, (Eterm*)literals, lit_bsize, oh);
}
@@ -989,7 +987,7 @@ BIF_RETTYPE purge_module_1(BIF_ALIST_1)
/*
* Any code to purge?
*/
- if (modp->old.code == 0) {
+ if (!modp->old.code_hdr) {
ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG);
}
else {
@@ -1012,17 +1010,17 @@ BIF_RETTYPE purge_module_1(BIF_ALIST_1)
*/
ASSERT(erts_total_code_size >= modp->old.code_length);
erts_total_code_size -= modp->old.code_length;
- code = modp->old.code;
+ code = (BeamInstr*) modp->old.code_hdr;
end = (BeamInstr *)((char *)code + modp->old.code_length);
erts_cleanup_funs_on_purge(code, end);
beam_catches_delmod(modp->old.catches, code, modp->old.code_length,
code_ix);
- decrement_refc(code);
- if (code[MI_LITERALS_START]) {
- erts_free(ERTS_ALC_T_LITERAL, (void *) code[MI_LITERALS_START]);
+ decrement_refc(modp->old.code_hdr);
+ if (modp->old.code_hdr->literals_start) {
+ erts_free(ERTS_ALC_T_LITERAL, modp->old.code_hdr->literals_start);
}
erts_free(ERTS_ALC_T_CODE, (void *) code);
- modp->old.code = NULL;
+ modp->old.code_hdr = NULL;
modp->old.code_length = 0;
modp->old.catches = BEAM_CATCHES_NIL;
erts_remove_from_ranges(code);
@@ -1039,10 +1037,9 @@ BIF_RETTYPE purge_module_1(BIF_ALIST_1)
}
static void
-decrement_refc(BeamInstr* code)
+decrement_refc(BeamCodeHeader* code_hdr)
{
- struct erl_off_heap_header* oh =
- (struct erl_off_heap_header *) code[MI_LITERALS_OFF_HEAP];
+ struct erl_off_heap_header* oh = code_hdr->literals_off_heap;
while (oh) {
Binary* bptr;
@@ -1091,7 +1088,7 @@ delete_code(Module* modp)
ASSERT(modp->curr.num_breakpoints == 0);
ASSERT(modp->curr.num_traced_exports == 0);
modp->old = modp->curr;
- modp->curr.code = NULL;
+ modp->curr.code_hdr = NULL;
modp->curr.code_length = 0;
modp->curr.catches = BEAM_CATCHES_NIL;
modp->curr.nif = NULL;
@@ -1108,9 +1105,9 @@ beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks, Eterm module)
* if not, delete old code; error if old code already exists.
*/
- if (modp->curr.code != NULL && modp->old.code != NULL) {
+ if (modp->curr.code_hdr && modp->old.code_hdr) {
return am_not_purged;
- } else if (modp->old.code == NULL) { /* Make the current version old. */
+ } else if (!modp->old.code_hdr) { /* Make the current version old. */
delete_code(modp);
}
return NIL;
diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c
index 016d0aaa32..2a8663d7ee 100644
--- a/erts/emulator/beam/beam_bp.c
+++ b/erts/emulator/beam/beam_bp.c
@@ -152,8 +152,8 @@ erts_bp_match_functions(BpFunctions* f, Eterm mfa[3], int specified)
num_modules = 0;
for (current = 0; current < max_modules; current++) {
modp = module_code(current, code_ix);
- if (modp->curr.code) {
- max_funcs += modp->curr.code[MI_NUM_FUNCTIONS];
+ if (modp->curr.code_hdr) {
+ max_funcs += modp->curr.code_hdr->num_functions;
module[num_modules++] = modp;
}
}
@@ -161,9 +161,9 @@ erts_bp_match_functions(BpFunctions* f, Eterm mfa[3], int specified)
f->matching = (BpFunction *) Alloc(max_funcs*sizeof(BpFunction));
i = 0;
for (current = 0; current < num_modules; current++) {
- BeamInstr** code_base = (BeamInstr **) module[current]->curr.code;
+ BeamCodeHeader* code_hdr = module[current]->curr.code_hdr;
BeamInstr* code;
- Uint num_functions = (Uint)(UWord) code_base[MI_NUM_FUNCTIONS];
+ Uint num_functions = (Uint)(UWord) code_hdr->num_functions;
Uint fi;
if (specified > 0) {
@@ -177,7 +177,7 @@ erts_bp_match_functions(BpFunctions* f, Eterm mfa[3], int specified)
BeamInstr* pc;
int wi;
- code = code_base[MI_FUNCTIONS+fi];
+ code = code_hdr->functions[fi];
ASSERT(code[0] == (BeamInstr) BeamOp(op_i_func_info_IaaI));
pc = code+5;
if (erts_is_native_break(pc)) {
@@ -547,21 +547,21 @@ erts_clear_all_breaks(BpFunctions* f)
int
erts_clear_module_break(Module *modp) {
- BeamInstr** code_base;
+ BeamCodeHeader* code_hdr;
Uint n;
Uint i;
ERTS_SMP_LC_ASSERT(erts_smp_thr_progress_is_blocking());
ASSERT(modp);
- code_base = (BeamInstr **) modp->curr.code;
- if (code_base == NULL) {
+ code_hdr = modp->curr.code_hdr;
+ if (!code_hdr) {
return 0;
}
- n = (Uint)(UWord) code_base[MI_NUM_FUNCTIONS];
+ n = (Uint)(UWord) code_hdr->num_functions;
for (i = 0; i < n; ++i) {
BeamInstr* pc;
- pc = code_base[MI_FUNCTIONS+i] + 5;
+ pc = code_hdr->functions[i] + 5;
if (erts_is_native_break(pc)) {
continue;
}
@@ -573,7 +573,7 @@ erts_clear_module_break(Module *modp) {
for (i = 0; i < n; ++i) {
BeamInstr* pc;
- pc = code_base[MI_FUNCTIONS+i] + 5;
+ pc = code_hdr->functions[i] + 5;
if (erts_is_native_break(pc)) {
continue;
}
@@ -1204,17 +1204,17 @@ int erts_is_time_break(Process *p, BeamInstr *pc, Eterm *retval) {
BeamInstr *
erts_find_local_func(Eterm mfa[3]) {
Module *modp;
- BeamInstr** code_base;
+ BeamCodeHeader* code_hdr;
BeamInstr* code_ptr;
Uint i,n;
if ((modp = erts_get_module(mfa[0], erts_active_code_ix())) == NULL)
return NULL;
- if ((code_base = (BeamInstr **) modp->curr.code) == NULL)
+ if ((code_hdr = modp->curr.code_hdr) == NULL)
return NULL;
- n = (BeamInstr) code_base[MI_NUM_FUNCTIONS];
+ n = (BeamInstr) code_hdr->num_functions;
for (i = 0; i < n; ++i) {
- code_ptr = code_base[MI_FUNCTIONS+i];
+ code_ptr = code_hdr->functions[i];
ASSERT(((BeamInstr) BeamOp(op_i_func_info_IaaI)) == code_ptr[0]);
ASSERT(mfa[0] == ((Eterm) code_ptr[2]) ||
is_nil((Eterm) code_ptr[2]));
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 3a1d328bbd..e961989fca 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -208,7 +208,7 @@ erts_debug_disassemble_1(BIF_ALIST_1)
Eterm bin;
Eterm mfa;
BeamInstr* funcinfo = NULL; /* Initialized to eliminate warning. */
- BeamInstr* code_base;
+ BeamCodeHeader* code_hdr;
BeamInstr* code_ptr = NULL; /* Initialized to eliminate warning. */
BeamInstr instr;
BeamInstr uaddr;
@@ -258,12 +258,12 @@ erts_debug_disassemble_1(BIF_ALIST_1)
*/
code_ptr = ((BeamInstr *) ep->addressv[code_ix]) - 5;
funcinfo = code_ptr+2;
- } else if (modp == NULL || (code_base = modp->curr.code) == NULL) {
+ } else if (modp == NULL || (code_hdr = modp->curr.code_hdr) == NULL) {
BIF_RET(am_undef);
} else {
- n = code_base[MI_NUM_FUNCTIONS];
+ n = code_hdr->num_functions;
for (i = 0; i < n; i++) {
- code_ptr = (BeamInstr *) code_base[MI_FUNCTIONS+i];
+ code_ptr = code_hdr->functions[i];
if (code_ptr[3] == name && code_ptr[4] == arity) {
funcinfo = code_ptr+2;
break;
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index a42ce1c9f1..6e4c8ecee3 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -6080,7 +6080,7 @@ call_fun(Process* p, /* Current process. */
*/
module = fe->module;
if ((modp = erts_get_module(module, code_ix)) != NULL
- && modp->curr.code != NULL) {
+ && modp->curr.code_hdr != NULL) {
/*
* There is a module loaded, but obviously the fun is not
* defined in it. We must not call the error_handler
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index a846e96204..c56e6732a0 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -80,7 +80,7 @@ ErlDrvBinary* erts_gzinflate_buffer(char*, int);
typedef struct {
Uint value; /* Value of label (NULL if not known yet). */
- Uint patches; /* Index (into code buffer) to first location
+ Sint patches; /* Index (into code buffer) to first location
* which must be patched with the value of this label.
*/
#ifdef ERTS_SMP
@@ -284,9 +284,10 @@ typedef struct LoaderState {
int specific_op; /* Specific opcode (-1 if not found). */
int num_functions; /* Number of functions in module. */
int num_labels; /* Number of labels. */
- int code_buffer_size; /* Size of code buffer in words. */
- BeamInstr* code; /* Loaded code. */
- int ci; /* Current index into loaded code. */
+ BeamCodeHeader* hdr; /* Loaded code header */
+ BeamInstr* codev; /* Loaded code buffer */
+ int codev_size; /* Size of code buffer in words. */
+ int ci; /* Current index into loaded code buffer. */
Label* labels;
StringPatch* string_patches; /* Linked list of position into string table to patch. */
BeamInstr catches; /* Linked list of catch_yf instructions. */
@@ -480,7 +481,7 @@ static void free_literal_fragment(ErlHeapFragment*);
static void loader_state_dtor(Binary* magic);
static Eterm insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
Eterm group_leader, Eterm module,
- BeamInstr* code, Uint size);
+ BeamCodeHeader* code, Uint size);
static int init_iff_file(LoaderState* stp, byte* code, Uint size);
static int scan_iff_file(LoaderState* stp, Uint* chunk_types,
Uint num_types, Uint num_mandatory);
@@ -526,15 +527,15 @@ static void new_string_patch(LoaderState* stp, int pos);
static Uint new_literal(LoaderState* stp, Eterm** hpp, Uint heap_size);
static int genopargcompare(GenOpArg* a, GenOpArg* b);
static Eterm get_module_info(Process* p, ErtsCodeIndex code_ix,
- BeamInstr* code, Eterm module, Eterm what);
+ BeamCodeHeader*, Eterm module, Eterm what);
static Eterm exported_from_module(Process* p, ErtsCodeIndex code_ix,
Eterm mod);
-static Eterm functions_in_module(Process* p, BeamInstr* code);
-static Eterm attributes_for_module(Process* p, BeamInstr* code);
-static Eterm compilation_info_for_module(Process* p, BeamInstr* code);
-static Eterm md5_of_module(Process* p, BeamInstr* code);
-static Eterm has_native(BeamInstr* code);
-static Eterm native_addresses(Process* p, BeamInstr* code);
+static Eterm functions_in_module(Process* p, BeamCodeHeader*);
+static Eterm attributes_for_module(Process* p, BeamCodeHeader*);
+static Eterm compilation_info_for_module(Process* p, BeamCodeHeader*);
+static Eterm md5_of_module(Process* p, BeamCodeHeader*);
+static Eterm has_native(BeamCodeHeader*);
+static Eterm native_addresses(Process* p, BeamCodeHeader*);
int patch_funentries(Eterm Patchlist);
int patch(Eterm Addresses, Uint fe);
static int safe_mul(UWord a, UWord b, UWord* resp);
@@ -601,6 +602,7 @@ extern void check_allocated_block(Uint type, void *blk);
#define CHKBLK(TYPE,BLK) /* nothing */
#endif
+
Eterm
erts_prepare_loading(Binary* magic, Process *c_p, Eterm group_leader,
Eterm* modp, byte* code, Uint unloaded_size)
@@ -641,21 +643,27 @@ erts_prepare_loading(Binary* magic, Process *c_p, Eterm group_leader,
/*
* Initialize code area.
*/
- stp->code_buffer_size = 2048 + stp->num_functions;
- stp->code = (BeamInstr *) erts_alloc(ERTS_ALC_T_CODE,
- sizeof(BeamInstr) * stp->code_buffer_size);
-
- stp->code[MI_NUM_FUNCTIONS] = stp->num_functions;
- stp->ci = MI_FUNCTIONS + stp->num_functions + 1;
-
- stp->code[MI_ATTR_PTR] = 0;
- stp->code[MI_ATTR_SIZE] = 0;
- stp->code[MI_ATTR_SIZE_ON_HEAP] = 0;
- stp->code[MI_COMPILE_PTR] = 0;
- stp->code[MI_COMPILE_SIZE] = 0;
- stp->code[MI_COMPILE_SIZE_ON_HEAP] = 0;
- stp->code[MI_LITERALS_START] = 0;
- stp->code[MI_MD5_PTR] = 0;
+ stp->codev_size = 2048 + stp->num_functions;
+ stp->hdr = (BeamCodeHeader*) erts_alloc(ERTS_ALC_T_CODE,
+ (offsetof(BeamCodeHeader,functions)
+ + sizeof(BeamInstr) * stp->codev_size));
+
+ stp->hdr->num_functions = stp->num_functions;
+
+ /* Let the codev array start at functions[0] in order to index
+ * both function pointers and the loaded code itself that follows.
+ */
+ stp->codev = (BeamInstr*) &stp->hdr->functions;
+ stp->ci = stp->num_functions + 1;
+
+ stp->hdr->attr_ptr = NULL;
+ stp->hdr->attr_size = 0;
+ stp->hdr->attr_size_on_heap = 0;
+ stp->hdr->compile_ptr = NULL;
+ stp->hdr->compile_size = 0;
+ stp->hdr->compile_size_on_heap = 0;
+ stp->hdr->literals_start = NULL;
+ stp->hdr->md5_ptr = NULL;
/*
* Read the atom table.
@@ -777,7 +785,7 @@ erts_finish_loading(Binary* magic, Process* c_p,
CHKBLK(ERTS_ALC_T_CODE,stp->code);
retval = insert_new_code(c_p, c_p_locks, stp->group_leader, stp->module,
- stp->code, stp->loaded_size);
+ stp->hdr, stp->loaded_size);
if (retval != NIL) {
goto load_error;
}
@@ -800,7 +808,8 @@ erts_finish_loading(Binary* magic, Process* c_p,
debug_dump_code(stp->code,stp->ci);
#endif
#endif
- stp->code = NULL; /* Prevent code from being freed. */
+ stp->hdr = NULL; /* Prevent code from being freed. */
+ stp->codev = NULL;
*modp = stp->module;
/*
@@ -832,7 +841,8 @@ erts_alloc_loader_state(void)
stp->specific_op = -1;
stp->genop = NULL;
stp->atom = NULL;
- stp->code = NULL;
+ stp->hdr = NULL;
+ stp->codev = NULL;
stp->labels = NULL;
stp->import = NULL;
stp->export = NULL;
@@ -871,7 +881,7 @@ erts_module_for_prepared_code(Binary* magic)
return NIL;
}
stp = ERTS_MAGIC_BIN_DATA(magic);
- if (stp->code != 0) {
+ if (stp->hdr != 0) {
return stp->module;
} else {
return NIL;
@@ -921,12 +931,13 @@ loader_state_dtor(Binary* magic)
driver_free_binary(stp->bin);
stp->bin = 0;
}
- if (stp->code != 0) {
- if (stp->code[MI_LITERALS_START]) {
- erts_free(ERTS_ALC_T_LITERAL, (void*) stp->code[MI_LITERALS_START]);
+ if (stp->hdr != 0) {
+ if (stp->hdr->literals_start) {
+ erts_free(ERTS_ALC_T_LITERAL, stp->hdr->literals_start);
}
- erts_free(ERTS_ALC_T_CODE, stp->code);
- stp->code = 0;
+ erts_free(ERTS_ALC_T_CODE, stp->hdr);
+ stp->hdr = 0;
+ stp->codev = 0;
}
if (stp->labels != 0) {
erts_free(ERTS_ALC_T_PREPARED_CODE, (void *) stp->labels);
@@ -999,7 +1010,7 @@ loader_state_dtor(Binary* magic)
static Eterm
insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
- Eterm group_leader, Eterm module, BeamInstr* code,
+ Eterm group_leader, Eterm module, BeamCodeHeader* code_hdr,
Uint size)
{
Module* modp;
@@ -1020,7 +1031,7 @@ insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
erts_total_code_size += size;
modp = erts_put_module(module);
- modp->curr.code = code;
+ modp->curr.code_hdr = code_hdr;
modp->curr.code_length = size;
modp->curr.catches = BEAM_CATCHES_NIL; /* Will be filled in later. */
@@ -1028,7 +1039,7 @@ insert_new_code(Process *c_p, ErtsProcLocks c_p_locks,
* Update ranges (used for finding a function from a PC value).
*/
- erts_update_ranges(code, size);
+ erts_update_ranges((BeamInstr*)modp->curr.code_hdr, size);
return NIL;
}
@@ -1377,7 +1388,7 @@ read_export_table(LoaderState* stp)
if (value == 0) {
LoadError2(stp, "export table entry %d: label %d not resolved", i, n);
}
- stp->export[i].address = address = stp->code + value;
+ stp->export[i].address = address = stp->codev + value;
/*
* Find out if there is a BIF with the same name.
@@ -1396,7 +1407,7 @@ read_export_table(LoaderState* stp)
* any other functions that walk through all local functions.
*/
- if (stp->labels[n].patches) {
+ if (stp->labels[n].patches >= 0) {
LoadError3(stp, "there are local calls to the stub for "
"the BIF %T:%T/%d",
stp->module, func, arity);
@@ -1739,7 +1750,7 @@ read_code_header(LoaderState* stp)
stp->num_labels * sizeof(Label));
for (i = 0; i < stp->num_labels; i++) {
stp->labels[i].value = 0;
- stp->labels[i].patches = 0;
+ stp->labels[i].patches = -1;
#ifdef ERTS_SMP
stp->labels[i].looprec_targeted = 0;
#endif
@@ -1758,13 +1769,14 @@ read_code_header(LoaderState* stp)
} else {}
#define CodeNeed(w) do { \
- ASSERT(ci <= code_buffer_size); \
- if (code_buffer_size < ci+(w)) { \
- code_buffer_size = 2*ci+(w); \
- stp->code = code = \
- (BeamInstr *) erts_realloc(ERTS_ALC_T_CODE, \
- (void *) code, \
- code_buffer_size * sizeof(BeamInstr)); \
+ ASSERT(ci <= codev_size); \
+ if (codev_size < ci+(w)) { \
+ codev_size = 2*ci+(w); \
+ stp->hdr = (BeamCodeHeader*) erts_realloc(ERTS_ALC_T_CODE, \
+ (void *) stp->hdr, \
+ (offsetof(BeamCodeHeader,functions) \
+ + codev_size * sizeof(BeamInstr))); \
+ code = stp->codev = (BeamInstr*) &stp->hdr->functions; \
} \
} while (0)
@@ -1780,7 +1792,7 @@ load_code(LoaderState* stp)
int arg; /* Number of current argument. */
int num_specific; /* Number of specific ops for current. */
BeamInstr* code;
- int code_buffer_size;
+ int codev_size;
int specific;
Uint last_label = 0; /* Number of last label. */
Uint function_number = 0;
@@ -1797,15 +1809,15 @@ load_code(LoaderState* stp)
FUNC_INFO_SZ = 5
};
- code = stp->code;
- code_buffer_size = stp->code_buffer_size;
+ code = stp->codev;
+ codev_size = stp->codev_size;
ci = stp->ci;
for (;;) {
int new_op;
GenOp* tmp_op;
- ASSERT(ci <= code_buffer_size);
+ ASSERT(ci <= codev_size);
get_next_instr:
GetByte(stp, new_op);
@@ -2420,8 +2432,7 @@ load_code(LoaderState* stp)
switch (stp->specific_op) {
case op_i_func_info_IaaI:
{
- Uint offset;
-
+ Sint offset;
if (function_number >= stp->num_functions) {
LoadError1(stp, "too many functions in module (header said %d)",
stp->num_functions);
@@ -2463,15 +2474,15 @@ load_code(LoaderState* stp)
stp->arity = code[ci-1];
ASSERT(stp->labels[last_label].value == ci - FUNC_INFO_SZ);
- offset = MI_FUNCTIONS + function_number;
- code[offset] = stp->labels[last_label].patches;
+ stp->hdr->functions[function_number] = (BeamInstr*) stp->labels[last_label].patches;
+ offset = function_number;
stp->labels[last_label].patches = offset;
function_number++;
if (stp->arity > MAX_ARG) {
LoadError1(stp, "too many arguments: %d", stp->arity);
}
#ifdef DEBUG
- ASSERT(stp->labels[0].patches == 0); /* Should not be referenced. */
+ ASSERT(stp->labels[0].patches < 0); /* Should not be referenced. */
for (i = 1; i < stp->num_labels; i++) {
ASSERT(stp->labels[i].patches < ci);
}
@@ -2541,7 +2552,7 @@ load_code(LoaderState* stp)
* End of code found.
*/
case op_int_code_end:
- stp->code_buffer_size = code_buffer_size;
+ stp->codev_size = codev_size;
stp->ci = ci;
stp->function = THE_NON_VALUE;
stp->genop = NULL;
@@ -4351,7 +4362,8 @@ gen_has_map_fields(LoaderState* stp, GenOpArg Fail, GenOpArg Src,
static int
freeze_code(LoaderState* stp)
{
- BeamInstr* code = stp->code;
+ BeamCodeHeader* code_hdr = stp->hdr;
+ BeamInstr* codev = (BeamInstr*) &stp->hdr->functions;
int i;
byte* str_table;
unsigned strtab_size = stp->chunks[STR_CHUNK].size;
@@ -4380,53 +4392,50 @@ freeze_code(LoaderState* stp)
(stp->current_li+1) + stp->num_fnames) *
sizeof(Eterm) + (stp->current_li+1) * stp->loc_size;
}
- size = (stp->ci * sizeof(BeamInstr)) +
+ size = offsetof(BeamCodeHeader,functions) + (stp->ci * sizeof(BeamInstr)) +
strtab_size + attr_size + compile_size + MD5_SIZE + line_size;
/*
* Move the code to its final location.
*/
- code = (BeamInstr *) erts_realloc(ERTS_ALC_T_CODE, (void *) code, size);
- CHKBLK(ERTS_ALC_T_CODE,code);
+ code_hdr = (BeamCodeHeader*) erts_realloc(ERTS_ALC_T_CODE, (void *) code_hdr, size);
+ codev = (BeamInstr*) &code_hdr->functions;
+ CHKBLK(ERTS_ALC_T_CODE,code_hdr);
/*
* Place a pointer to the op_int_code_end instruction in the
* function table in the beginning of the file.
*/
- code[MI_FUNCTIONS+stp->num_functions] = (BeamInstr) (code + stp->ci - 1);
- CHKBLK(ERTS_ALC_T_CODE,code);
+ code_hdr->functions[stp->num_functions] = (codev + stp->ci - 1);
+ CHKBLK(ERTS_ALC_T_CODE,code_hdr);
/*
* Store the pointer to the on_load function.
*/
if (stp->on_load) {
- code[MI_ON_LOAD_FUNCTION_PTR] = (BeamInstr) (code + stp->on_load);
+ code_hdr->on_load_function_ptr = codev + stp->on_load;
} else {
- code[MI_ON_LOAD_FUNCTION_PTR] = 0;
+ code_hdr->on_load_function_ptr = NULL;
}
- CHKBLK(ERTS_ALC_T_CODE,code);
+ CHKBLK(ERTS_ALC_T_CODE,code_hdr);
/*
* Place the literals in their own allocated heap (for fast range check)
* and fix up all instructions that refer to it.
*/
{
- Uint* ptr;
- Uint* low;
- Uint* high;
+ Eterm* ptr;
LiteralPatch* lp;
ErlOffHeap code_off_heap;
ERTS_INIT_OFF_HEAP(&code_off_heap);
- low = erts_alloc(ERTS_ALC_T_LITERAL,
- stp->total_literal_size*sizeof(Eterm));
- high = low + stp->total_literal_size;
- code[MI_LITERALS_START] = (BeamInstr) low;
- code[MI_LITERALS_END] = (BeamInstr) high;
- ptr = low;
+ ptr = (Eterm*)erts_alloc(ERTS_ALC_T_LITERAL,
+ stp->total_literal_size*sizeof(Eterm));
+ code_hdr->literals_start = ptr;
+ code_hdr->literals_end = ptr + stp->total_literal_size;
for (i = 0; i < stp->num_literals; i++) {
if (stp->literals[i].heap_frags) {
move_multi_frags(&ptr, &code_off_heap, stp->literals[i].heap_frags,
@@ -4435,13 +4444,13 @@ freeze_code(LoaderState* stp)
}
else ASSERT(is_immed(stp->literals[i].term));
}
- code[MI_LITERALS_OFF_HEAP] = (BeamInstr) code_off_heap.first;
+ code_hdr->literals_off_heap = code_off_heap.first;
lp = stp->literal_patches;
while (lp != 0) {
BeamInstr* op_ptr;
Literal* lit;
- op_ptr = code + lp->pos;
+ op_ptr = codev + lp->pos;
lit = &stp->literals[op_ptr[0]];
op_ptr[0] = lit->term;
lp = lp->next;
@@ -4453,16 +4462,16 @@ freeze_code(LoaderState* stp)
* If there is line information, place it here.
*/
if (stp->line_instr == 0) {
- code[MI_LINE_TABLE] = (BeamInstr) 0;
- str_table = (byte *) (code+stp->ci);
+ code_hdr->line_table = NULL;
+ str_table = (byte *) (codev + stp->ci);
} else {
- Eterm* line_tab = (Eterm *) (code+stp->ci);
+ Eterm* line_tab = (Eterm *) (codev+stp->ci);
Eterm* p;
int ftab_size = stp->num_functions;
int num_instrs = stp->current_li;
Eterm* first_line_item;
- code[MI_LINE_TABLE] = (BeamInstr) line_tab;
+ code_hdr->line_table = line_tab;
p = line_tab + MI_LINE_FUNC_TAB;
first_line_item = (p + ftab_size + 1);
@@ -4472,9 +4481,9 @@ freeze_code(LoaderState* stp)
*p++ = (Eterm) (BeamInstr) (first_line_item + num_instrs);
ASSERT(p == first_line_item);
for (i = 0; i < num_instrs; i++) {
- *p++ = (Eterm) (BeamInstr) (code + stp->line_instr[i].pos);
+ *p++ = (Eterm) (BeamInstr) (codev + stp->line_instr[i].pos);
}
- *p++ = (Eterm) (BeamInstr) (code + stp->ci - 1);
+ *p++ = (Eterm) (BeamInstr) (codev + stp->ci - 1);
line_tab[MI_LINE_FNAME_PTR] = (Eterm) (BeamInstr) p;
memcpy(p, stp->fname, stp->num_fnames*sizeof(Eterm));
@@ -4509,13 +4518,13 @@ freeze_code(LoaderState* stp)
if (attr_size) {
byte* attr = str_table + strtab_size;
sys_memcpy(attr, stp->chunks[ATTR_CHUNK].start, stp->chunks[ATTR_CHUNK].size);
- code[MI_ATTR_PTR] = (BeamInstr) attr;
- code[MI_ATTR_SIZE] = (BeamInstr) stp->chunks[ATTR_CHUNK].size;
+ code_hdr->attr_ptr = attr;
+ code_hdr->attr_size = (BeamInstr) stp->chunks[ATTR_CHUNK].size;
decoded_size = erts_decode_ext_size(attr, attr_size);
if (decoded_size < 0) {
LoadError0(stp, "bad external term representation of module attributes");
}
- code[MI_ATTR_SIZE_ON_HEAP] = decoded_size;
+ code_hdr->attr_size_on_heap = decoded_size;
}
CHKBLK(ERTS_ALC_T_CODE,code);
if (compile_size) {
@@ -4525,9 +4534,9 @@ freeze_code(LoaderState* stp)
stp->chunks[COMPILE_CHUNK].size);
CHKBLK(ERTS_ALC_T_CODE,code);
- code[MI_COMPILE_PTR] = (BeamInstr) compile_info;
+ code_hdr->compile_ptr = compile_info;
CHKBLK(ERTS_ALC_T_CODE,code);
- code[MI_COMPILE_SIZE] = (BeamInstr) stp->chunks[COMPILE_CHUNK].size;
+ code_hdr->compile_size = (BeamInstr) stp->chunks[COMPILE_CHUNK].size;
CHKBLK(ERTS_ALC_T_CODE,code);
decoded_size = erts_decode_ext_size(compile_info, compile_size);
CHKBLK(ERTS_ALC_T_CODE,code);
@@ -4535,7 +4544,7 @@ freeze_code(LoaderState* stp)
LoadError0(stp, "bad external term representation of compilation information");
}
CHKBLK(ERTS_ALC_T_CODE,code);
- code[MI_COMPILE_SIZE_ON_HEAP] = decoded_size;
+ code_hdr->compile_size_on_heap = decoded_size;
}
CHKBLK(ERTS_ALC_T_CODE,code);
{
@@ -4543,7 +4552,7 @@ freeze_code(LoaderState* stp)
CHKBLK(ERTS_ALC_T_CODE,code);
sys_memcpy(md5_sum, stp->mod_md5, MD5_SIZE);
CHKBLK(ERTS_ALC_T_CODE,code);
- code[MI_MD5_PTR] = (BeamInstr) md5_sum;
+ code_hdr->md5_ptr = md5_sum;
CHKBLK(ERTS_ALC_T_CODE,code);
}
CHKBLK(ERTS_ALC_T_CODE,code);
@@ -4552,7 +4561,7 @@ freeze_code(LoaderState* stp)
* Make sure that we have not overflowed the allocated code space.
*/
ASSERT(str_table + strtab_size + attr_size + compile_size + MD5_SIZE ==
- ((byte *) code) + size);
+ ((byte *) code_hdr) + size);
/*
* Patch all instructions that refer to the string table.
@@ -4564,46 +4573,47 @@ freeze_code(LoaderState* stp)
BeamInstr* op_ptr;
byte* strp;
- op_ptr = code + sp->pos;
+ op_ptr = codev + sp->pos;
strp = str_table + op_ptr[0];
op_ptr[0] = (BeamInstr) strp;
sp = sp->next;
}
}
- CHKBLK(ERTS_ALC_T_CODE,code);
+ CHKBLK(ERTS_ALC_T_CODE,code_hdr);
/*
* Resolve all labels.
*/
for (i = 0; i < stp->num_labels; i++) {
- Uint this_patch;
- Uint next_patch;
+ Sint this_patch;
+ Sint next_patch;
Uint value = stp->labels[i].value;
- if (value == 0 && stp->labels[i].patches != 0) {
+ if (value == 0 && stp->labels[i].patches >= 0) {
LoadError1(stp, "label %d not resolved", i);
}
ASSERT(value < stp->ci);
this_patch = stp->labels[i].patches;
- while (this_patch != 0) {
+ while (this_patch >= 0) {
ASSERT(this_patch < stp->ci);
- next_patch = code[this_patch];
+ next_patch = codev[this_patch];
ASSERT(next_patch < stp->ci);
- code[this_patch] = (BeamInstr) (code + value);
+ codev[this_patch] = (BeamInstr) (codev + value);
this_patch = next_patch;
}
}
- CHKBLK(ERTS_ALC_T_CODE,code);
+ CHKBLK(ERTS_ALC_T_CODE,code_hdr);
/*
* Save the updated code pointer and code size.
*/
- stp->code = code;
+ stp->hdr = code_hdr;
+ stp->codev = codev;
stp->loaded_size = size;
- CHKBLK(ERTS_ALC_T_CODE,code);
+ CHKBLK(ERTS_ALC_T_CODE,code_hdr);
return 1;
load_error:
@@ -4611,7 +4621,8 @@ freeze_code(LoaderState* stp)
* Make sure that the caller frees the newly reallocated block, and
* not the old one (in case it has moved).
*/
- stp->code = code;
+ stp->hdr = code_hdr;
+ stp->codev = codev;
return 0;
}
@@ -4622,7 +4633,7 @@ final_touch(LoaderState* stp)
int on_load = stp->on_load;
unsigned catches;
Uint index;
- BeamInstr* code = stp->code;
+ BeamInstr* codev = stp->codev;
Module* modp;
/*
@@ -4632,10 +4643,10 @@ final_touch(LoaderState* stp)
index = stp->catches;
catches = BEAM_CATCHES_NIL;
while (index != 0) {
- BeamInstr next = code[index];
- code[index] = BeamOpCode(op_catch_yf);
- catches = beam_catches_cons((BeamInstr *)code[index+2], catches);
- code[index+2] = make_catch(catches);
+ BeamInstr next = codev[index];
+ codev[index] = BeamOpCode(op_catch_yf);
+ catches = beam_catches_cons((BeamInstr *)codev[index+2], catches);
+ codev[index+2] = make_catch(catches);
index = next;
}
modp = erts_put_module(stp->module);
@@ -4686,8 +4697,8 @@ final_touch(LoaderState* stp)
current = stp->import[i].patches;
while (current != 0) {
ASSERT(current < stp->ci);
- next = stp->code[current];
- stp->code[current] = import;
+ next = stp->codev[current];
+ stp->codev[current] = import;
current = next;
}
}
@@ -4700,7 +4711,7 @@ final_touch(LoaderState* stp)
for (i = 0; i < stp->num_lambdas; i++) {
unsigned entry_label = stp->lambdas[i].label;
ErlFunEntry* fe = stp->lambdas[i].fe;
- BeamInstr* code_ptr = (BeamInstr *) (stp->code + stp->labels[entry_label].value);
+ BeamInstr* code_ptr = stp->codev + stp->labels[entry_label].value;
if (fe->address[0] != 0) {
/*
@@ -5324,7 +5335,7 @@ new_label(LoaderState* stp)
(void *) stp->labels,
stp->num_labels * sizeof(Label));
stp->labels[num].value = 0;
- stp->labels[num].patches = 0;
+ stp->labels[num].patches = -1;
return num;
}
@@ -5384,7 +5395,7 @@ erts_module_info_0(Process* p, Eterm module)
{
Module* modp;
ErtsCodeIndex code_ix = erts_active_code_ix();
- BeamInstr* code;
+ BeamCodeHeader* code_hdr;
Eterm *hp;
Eterm list = NIL;
Eterm tup;
@@ -5398,13 +5409,13 @@ erts_module_info_0(Process* p, Eterm module)
return THE_NON_VALUE;
}
- code = modp->curr.code;
- if (code == NULL) {
+ code_hdr = modp->curr.code_hdr;
+ if (code_hdr == NULL) {
return THE_NON_VALUE;
}
#define BUILD_INFO(What) \
- tup = get_module_info(p, code_ix, code, module, What); \
+ tup = get_module_info(p, code_ix, code_hdr, module, What); \
hp = HAlloc(p, 5); \
tup = TUPLE2(hp, What, tup); \
hp += 3; \
@@ -5427,7 +5438,7 @@ erts_module_info_1(Process* p, Eterm module, Eterm what)
{
Module* modp;
ErtsCodeIndex code_ix = erts_active_code_ix();
- BeamInstr* code;
+ BeamCodeHeader* code_hdr;
if (is_not_atom(module)) {
return THE_NON_VALUE;
@@ -5438,34 +5449,34 @@ erts_module_info_1(Process* p, Eterm module, Eterm what)
return THE_NON_VALUE;
}
- code = modp->curr.code;
- if (code == NULL) {
+ code_hdr = modp->curr.code_hdr;
+ if (code_hdr == NULL) {
return THE_NON_VALUE;
}
- return get_module_info(p, code_ix, code, module, what);
+ return get_module_info(p, code_ix, code_hdr, module, what);
}
static Eterm
-get_module_info(Process* p, ErtsCodeIndex code_ix, BeamInstr* code,
+get_module_info(Process* p, ErtsCodeIndex code_ix, BeamCodeHeader* code_hdr,
Eterm module, Eterm what)
{
if (what == am_module) {
return module;
} else if (what == am_md5) {
- return md5_of_module(p, code);
+ return md5_of_module(p, code_hdr);
} else if (what == am_exports) {
return exported_from_module(p, code_ix, module);
} else if (what == am_functions) {
- return functions_in_module(p, code);
+ return functions_in_module(p, code_hdr);
} else if (what == am_attributes) {
- return attributes_for_module(p, code);
+ return attributes_for_module(p, code_hdr);
} else if (what == am_compile) {
- return compilation_info_for_module(p, code);
+ return compilation_info_for_module(p, code_hdr);
} else if (what == am_native_addresses) {
- return native_addresses(p, code);
+ return native_addresses(p, code_hdr);
} else if (what == am_native) {
- return has_native(code);
+ return has_native(code_hdr);
}
return THE_NON_VALUE;
}
@@ -5477,7 +5488,7 @@ get_module_info(Process* p, ErtsCodeIndex code_ix, BeamInstr* code,
Eterm
functions_in_module(Process* p, /* Process whose heap to use. */
- BeamInstr* code)
+ BeamCodeHeader* code_hdr)
{
int i;
Uint num_functions;
@@ -5486,12 +5497,12 @@ functions_in_module(Process* p, /* Process whose heap to use. */
Eterm* hp_end;
Eterm result = NIL;
- num_functions = code[MI_NUM_FUNCTIONS];
+ num_functions = code_hdr->num_functions;
need = 5*num_functions;
hp = HAlloc(p, need);
hp_end = hp + need;
for (i = num_functions-1; i >= 0 ; i--) {
- BeamInstr* func_info = (BeamInstr *) code[MI_FUNCTIONS+i];
+ BeamInstr* func_info = code_hdr->functions[i];
Eterm name = (Eterm) func_info[3];
int arity = (int) func_info[4];
Eterm tuple;
@@ -5517,11 +5528,11 @@ functions_in_module(Process* p, /* Process whose heap to use. */
*/
static Eterm
-has_native(BeamInstr *code)
+has_native(BeamCodeHeader *code_hdr)
{
Eterm result = am_false;
#ifdef HIPE
- if (erts_is_module_native(code)) {
+ if (erts_is_module_native(code_hdr)) {
result = am_true;
}
#endif
@@ -5529,15 +5540,15 @@ has_native(BeamInstr *code)
}
int
-erts_is_module_native(BeamInstr* code)
+erts_is_module_native(BeamCodeHeader* code_hdr)
{
Uint i, num_functions;
/* Check NativeAdress of first real function in module */
- if (code != NULL) {
- num_functions = code[MI_NUM_FUNCTIONS];
+ if (code_hdr != NULL) {
+ num_functions = code_hdr->num_functions;
for (i=0; i<num_functions; i++) {
- BeamInstr* func_info = (BeamInstr *) code[MI_FUNCTIONS+i];
+ BeamInstr* func_info = (BeamInstr *) code_hdr->functions[i];
Eterm name = (Eterm) func_info[3];
if (is_atom(name)) {
return func_info[1] != 0;
@@ -5554,7 +5565,7 @@ erts_is_module_native(BeamInstr* code)
*/
static Eterm
-native_addresses(Process* p, BeamInstr* code)
+native_addresses(Process* p, BeamCodeHeader* code_hdr)
{
int i;
Eterm* hp;
@@ -5563,12 +5574,12 @@ native_addresses(Process* p, BeamInstr* code)
Eterm* hp_end;
Eterm result = NIL;
- num_functions = code[MI_NUM_FUNCTIONS];
+ num_functions = code_hdr->num_functions;
need = (6+BIG_UINT_HEAP_SIZE)*num_functions;
hp = HAlloc(p, need);
hp_end = hp + need;
for (i = num_functions-1; i >= 0 ; i--) {
- BeamInstr* func_info = (BeamInstr *) code[MI_FUNCTIONS+i];
+ BeamInstr* func_info = code_hdr->functions[i];
Eterm name = (Eterm) func_info[3];
int arity = (int) func_info[4];
Eterm tuple;
@@ -5634,15 +5645,15 @@ exported_from_module(Process* p, /* Process whose heap to use. */
Eterm
attributes_for_module(Process* p, /* Process whose heap to use. */
- BeamInstr* code)
+ BeamCodeHeader* code_hdr)
{
byte* ext;
Eterm result = NIL;
- ext = (byte *) code[MI_ATTR_PTR];
+ ext = code_hdr->attr_ptr;
if (ext != NULL) {
ErtsHeapFactory factory;
- erts_factory_proc_prealloc_init(&factory, p, code[MI_ATTR_SIZE_ON_HEAP]);
+ erts_factory_proc_prealloc_init(&factory, p, code_hdr->attr_size_on_heap);
result = erts_decode_ext(&factory, &ext);
if (is_value(result)) {
erts_factory_close(&factory);
@@ -5657,15 +5668,15 @@ attributes_for_module(Process* p, /* Process whose heap to use. */
Eterm
compilation_info_for_module(Process* p, /* Process whose heap to use. */
- BeamInstr* code)
+ BeamCodeHeader* code_hdr)
{
byte* ext;
Eterm result = NIL;
- ext = (byte *) code[MI_COMPILE_PTR];
+ ext = code_hdr->compile_ptr;
if (ext != NULL) {
ErtsHeapFactory factory;
- erts_factory_proc_prealloc_init(&factory, p, code[MI_COMPILE_SIZE_ON_HEAP]);
+ erts_factory_proc_prealloc_init(&factory, p, code_hdr->compile_size_on_heap);
result = erts_decode_ext(&factory, &ext);
if (is_value(result)) {
erts_factory_close(&factory);
@@ -5680,9 +5691,9 @@ compilation_info_for_module(Process* p, /* Process whose heap to use. */
Eterm
md5_of_module(Process* p, /* Process whose heap to use. */
- BeamInstr* code)
+ BeamCodeHeader* code_hdr)
{
- return new_binary(p, (byte *) code[MI_MD5_PTR], MD5_SIZE);
+ return new_binary(p, code_hdr->md5_ptr, MD5_SIZE);
}
/*
@@ -5893,7 +5904,7 @@ static byte*
stub_copy_info(LoaderState* stp,
int chunk, /* Chunk: ATTR_CHUNK or COMPILE_CHUNK */
byte* info, /* Where to store info. */
- BeamInstr* ptr_word, /* Where to store pointer into info. */
+ byte** ptr_word, /* Where to store pointer into info. */
BeamInstr* size_word, /* Where to store size into info. */
BeamInstr* size_on_heap_word) /* Where to store size on heap. */
{
@@ -5901,7 +5912,7 @@ stub_copy_info(LoaderState* stp,
Uint size = stp->chunks[chunk].size;
if (size != 0) {
memcpy(info, stp->chunks[chunk].start, size);
- *ptr_word = (BeamInstr) info;
+ *ptr_word = info;
decoded_size = erts_decode_ext_size(info, size);
if (decoded_size < 0) {
return 0;
@@ -6156,11 +6167,10 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
BeamInstr Patchlist;
Eterm MD5Bin;
Eterm* tp;
- BeamInstr* code = NULL;
- BeamInstr* ptrs;
+ BeamCodeHeader* code_hdr;
+ BeamInstr* code_base;
BeamInstr* fp;
byte* info;
- Uint ci;
int n;
int code_size;
int rval;
@@ -6238,39 +6248,39 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
* Allocate memory for the stub module.
*/
- code_size = ((WORDS_PER_FUNCTION+1)*n + MI_FUNCTIONS + 2) * sizeof(BeamInstr);
- code_size += stp->chunks[ATTR_CHUNK].size;
- code_size += stp->chunks[COMPILE_CHUNK].size;
- code_size += MD5_SIZE;
- code = erts_alloc_fnf(ERTS_ALC_T_CODE, code_size);
- if (!code) {
+ code_size = (offsetof(BeamCodeHeader,functions)
+ + ((n+1) * sizeof(BeamInstr*))
+ + (WORDS_PER_FUNCTION*n + 1) * sizeof(BeamInstr)
+ + stp->chunks[ATTR_CHUNK].size
+ + stp->chunks[COMPILE_CHUNK].size
+ + MD5_SIZE);
+ code_hdr = erts_alloc_fnf(ERTS_ALC_T_CODE, code_size);
+ if (!code_hdr) {
goto error;
}
/*
- * Initialize code area.
+ * Initialize code header.
*/
- code[MI_NUM_FUNCTIONS] = n;
- code[MI_ATTR_PTR] = 0;
- code[MI_ATTR_SIZE] = 0;
- code[MI_ATTR_SIZE_ON_HEAP] = 0;
- code[MI_COMPILE_PTR] = 0;
- code[MI_COMPILE_SIZE] = 0;
- code[MI_COMPILE_SIZE_ON_HEAP] = 0;
- code[MI_LITERALS_START] = 0;
- code[MI_LITERALS_END] = 0;
- code[MI_LITERALS_OFF_HEAP] = 0;
- code[MI_ON_LOAD_FUNCTION_PTR] = 0;
- code[MI_MD5_PTR] = 0;
- ci = MI_FUNCTIONS + n + 1;
+ code_hdr->num_functions = n;
+ code_hdr->attr_ptr = NULL;
+ code_hdr->attr_size = 0;
+ code_hdr->attr_size_on_heap = 0;
+ code_hdr->compile_ptr = NULL;
+ code_hdr->compile_size = 0;
+ code_hdr->compile_size_on_heap = 0;
+ code_hdr->literals_start = NULL;
+ code_hdr->literals_end = NULL;
+ code_hdr->literals_off_heap = 0;
+ code_hdr->on_load_function_ptr = NULL;
+ code_hdr->md5_ptr = NULL;
/*
* Make stubs for all functions.
*/
- ptrs = code + MI_FUNCTIONS;
- fp = code + ci;
+ fp = code_base = (BeamInstr*) &code_hdr->functions[n+1];
for (i = 0; i < n; i++) {
Eterm* listp;
Eterm tuple;
@@ -6313,7 +6323,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
* Set the pointer and make the stub. Put a return instruction
* as the body until we know what kind of trap we should put there.
*/
- ptrs[i] = (BeamInstr) fp;
+ code_hdr->functions[i] = fp;
#ifdef HIPE
op = (Eterm) BeamOpCode(op_hipe_trap_call); /* Might be changed later. */
#else
@@ -6326,7 +6336,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
* Insert the last pointer and the int_code_end instruction.
*/
- ptrs[i] = (BeamInstr) fp;
+ code_hdr->functions[i] = fp;
*fp++ = (BeamInstr) BeamOp(op_int_code_end);
/*
@@ -6335,16 +6345,16 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
info = (byte *) fp;
info = stub_copy_info(stp, ATTR_CHUNK, info,
- code+MI_ATTR_PTR,
- code+MI_ATTR_SIZE,
- code+MI_ATTR_SIZE_ON_HEAP);
+ &code_hdr->attr_ptr,
+ &code_hdr->attr_size,
+ &code_hdr->attr_size_on_heap);
if (info == NULL) {
goto error;
}
info = stub_copy_info(stp, COMPILE_CHUNK, info,
- code+MI_COMPILE_PTR,
- code+MI_COMPILE_SIZE,
- code+MI_COMPILE_SIZE_ON_HEAP);
+ &code_hdr->compile_ptr,
+ &code_hdr->compile_size,
+ &code_hdr->compile_size_on_heap);
if (info == NULL) {
goto error;
}
@@ -6353,7 +6363,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
byte *md5 = NULL;
if ((md5 = erts_get_aligned_binary_bytes(MD5Bin, &tmp)) != NULL) {
sys_memcpy(info, md5, MD5_SIZE);
- code[MI_MD5_PTR] = (BeamInstr) info;
+ code_hdr->md5_ptr = info;
}
erts_free_aligned_binary_bytes(tmp);
}
@@ -6362,7 +6372,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
* Insert the module in the module table.
*/
- rval = insert_new_code(p, 0, p->group_leader, Mod, code, code_size);
+ rval = insert_new_code(p, 0, p->group_leader, Mod, code_hdr, code_size);
if (rval != NIL) {
goto error;
}
@@ -6371,7 +6381,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info)
* Export all stub functions and insert the correct type of HiPE trap.
*/
- fp = code + ci;
+ fp = code_base;
for (i = 0; i < n; i++) {
stub_final_touch(stp, fp);
fp += WORDS_PER_FUNCTION;
diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h
index eedb5ee4cd..c86ac65521 100644
--- a/erts/emulator/beam/beam_load.h
+++ b/erts/emulator/beam/beam_load.h
@@ -24,7 +24,6 @@
#include "beam_opcodes.h"
#include "erl_process.h"
-int erts_is_module_native(BeamInstr* code);
Eterm beam_make_current_old(Process *c_p, ErtsProcLocks c_p_locks,
Eterm module);
@@ -61,63 +60,66 @@ extern BeamInstr* em_call_nif;
/* Total code size in bytes */
extern Uint erts_total_code_size;
-/*
- * Index into start of code chunks which contains additional information
- * about the loaded module.
- *
- * First number of functions.
- */
-
-#define MI_NUM_FUNCTIONS 0
-
-/*
- * The attributes retrieved by Mod:module_info(attributes).
- */
-
-#define MI_ATTR_PTR 1
-#define MI_ATTR_SIZE 2
-#define MI_ATTR_SIZE_ON_HEAP 3
-
-/*
- * The compilation information retrieved by Mod:module_info(compile).
- */
-
-#define MI_COMPILE_PTR 4
-#define MI_COMPILE_SIZE 5
-#define MI_COMPILE_SIZE_ON_HEAP 6
-
-/*
- * Literal area (constant pool).
- */
-#define MI_LITERALS_START 7
-#define MI_LITERALS_END 8
-#define MI_LITERALS_OFF_HEAP 9
-
-/*
- * Pointer to the on_load function (or NULL if none).
- */
-#define MI_ON_LOAD_FUNCTION_PTR 10
-
-/*
- * Pointer to the line table (or NULL if none).
- */
-#define MI_LINE_TABLE 11
-
-/*
- * Pointer to the module MD5 sum (16 bytes)
- */
-#define MI_MD5_PTR 12
/*
- * Start of function pointer table. This table contains pointers to
- * all functions in the module plus an additional pointer just beyond
- * the end of the last function.
- *
- * The actual loaded code (for the first function) start just beyond
- * this table.
+ * Header of code chunks which contains additional information
+ * about the loaded module.
*/
-
-#define MI_FUNCTIONS 13
+typedef struct beam_code_header {
+ /*
+ * Number of functions.
+ */
+ UWord num_functions;
+
+ /*
+ * The attributes retrieved by Mod:module_info(attributes).
+ */
+ byte* attr_ptr;
+ UWord attr_size;
+ UWord attr_size_on_heap;
+
+ /*
+ * The compilation information retrieved by Mod:module_info(compile).
+ */
+ byte* compile_ptr;
+ UWord compile_size;
+ UWord compile_size_on_heap;
+
+ /*
+ * Literal area (constant pool).
+ */
+ Eterm* literals_start;
+ Eterm* literals_end;
+ struct erl_off_heap_header* literals_off_heap;
+
+ /*
+ * Pointer to the on_load function (or NULL if none).
+ */
+ BeamInstr* on_load_function_ptr;
+
+ /*
+ * Pointer to the line table (or NULL if none).
+ */
+ Eterm* line_table;
+
+ /*
+ * Pointer to the module MD5 sum (16 bytes)
+ */
+ byte* md5_ptr;
+
+ /*
+ * Start of function pointer table. This table contains pointers to
+ * all functions in the module plus an additional pointer just beyond
+ * the end of the last function.
+ *
+ * The actual loaded code (for the first function) start just beyond
+ * this table.
+ */
+ BeamInstr* functions[1];
+
+}BeamCodeHeader;
+
+int erts_is_module_native(BeamCodeHeader* code);
/*
* Layout of the line table.
diff --git a/erts/emulator/beam/beam_ranges.c b/erts/emulator/beam/beam_ranges.c
index 19079ba150..e6cf43446e 100644
--- a/erts/emulator/beam/beam_ranges.c
+++ b/erts/emulator/beam/beam_ranges.c
@@ -38,7 +38,7 @@ typedef struct {
static Range* find_range(BeamInstr* pc);
static void lookup_loc(FunctionInfo* fi, BeamInstr* pc,
- BeamInstr* modp, int idx);
+ BeamCodeHeader*, int idx);
/*
* The following variables keep a sorted list of address ranges for
@@ -241,6 +241,7 @@ erts_lookup_function_info(FunctionInfo* fi, BeamInstr* pc, int full_info)
BeamInstr** high;
BeamInstr** mid;
Range* rp;
+ BeamCodeHeader* hdr;
fi->current = NULL;
fi->needed = 5;
@@ -249,9 +250,10 @@ erts_lookup_function_info(FunctionInfo* fi, BeamInstr* pc, int full_info)
if (rp == 0) {
return;
}
+ hdr = (BeamCodeHeader*) rp->start;
- low = (BeamInstr **) (rp->start + MI_FUNCTIONS);
- high = low + rp->start[MI_NUM_FUNCTIONS];
+ low = hdr->functions;
+ high = low + hdr->num_functions;
while (low < high) {
mid = low + (high-low) / 2;
if (pc < mid[0]) {
@@ -259,10 +261,9 @@ erts_lookup_function_info(FunctionInfo* fi, BeamInstr* pc, int full_info)
} else if (pc < mid[1]) {
fi->current = mid[0]+2;
if (full_info) {
- BeamInstr** fp = (BeamInstr **) (rp->start +
- MI_FUNCTIONS);
+ BeamInstr** fp = hdr->functions;
int idx = mid - fp;
- lookup_loc(fi, pc, rp->start, idx);
+ lookup_loc(fi, pc, hdr, idx);
}
return;
} else {
@@ -295,9 +296,9 @@ find_range(BeamInstr* pc)
}
static void
-lookup_loc(FunctionInfo* fi, BeamInstr* orig_pc, BeamInstr* modp, int idx)
+lookup_loc(FunctionInfo* fi, BeamInstr* orig_pc, BeamCodeHeader* code_hdr, int idx)
{
- Eterm* line = (Eterm *) modp[MI_LINE_TABLE];
+ Eterm* line = code_hdr->line_table;
Eterm* low;
Eterm* high;
Eterm* mid;
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 64c8bc5e58..c7e7411935 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -381,7 +381,7 @@ loaded(int to, void *to_arg)
int i;
int old = 0;
int cur = 0;
- BeamInstr* code;
+ BeamCodeHeader* code;
Module* modp;
ErtsCodeIndex code_ix;
@@ -439,30 +439,30 @@ loaded(int to, void *to_arg)
erts_print(to, to_arg, "\n");
erts_print(to, to_arg, "Current size: %d\n",
modp->curr.code_length);
- code = modp->curr.code;
- if (code != NULL && code[MI_ATTR_PTR]) {
+ code = modp->curr.code_hdr;
+ if (code != NULL && code->attr_ptr) {
erts_print(to, to_arg, "Current attributes: ");
- dump_attributes(to, to_arg, (byte *) code[MI_ATTR_PTR],
- code[MI_ATTR_SIZE]);
+ dump_attributes(to, to_arg, code->attr_ptr,
+ code->attr_size);
}
- if (code != NULL && code[MI_COMPILE_PTR]) {
+ if (code != NULL && code->compile_ptr) {
erts_print(to, to_arg, "Current compilation info: ");
- dump_attributes(to, to_arg, (byte *) code[MI_COMPILE_PTR],
- code[MI_COMPILE_SIZE]);
+ dump_attributes(to, to_arg, code->compile_ptr,
+ code->compile_size);
}
if (modp->old.code_length != 0) {
erts_print(to, to_arg, "Old size: %d\n", modp->old.code_length);
- code = modp->old.code;
- if (code[MI_ATTR_PTR]) {
+ code = modp->old.code_hdr;
+ if (code->attr_ptr) {
erts_print(to, to_arg, "Old attributes: ");
- dump_attributes(to, to_arg, (byte *) code[MI_ATTR_PTR],
- code[MI_ATTR_SIZE]);
+ dump_attributes(to, to_arg, code->attr_ptr,
+ code->attr_size);
}
- if (code[MI_COMPILE_PTR]) {
+ if (code->compile_ptr) {
erts_print(to, to_arg, "Old compilation info: ");
- dump_attributes(to, to_arg, (byte *) code[MI_COMPILE_PTR],
- code[MI_COMPILE_SIZE]);
+ dump_attributes(to, to_arg, code->compile_ptr,
+ code->compile_size);
}
}
}
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index add4a66f90..01414f326d 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -2230,17 +2230,17 @@ int enif_map_iterator_get_pair(ErlNifEnv *env,
***************************************************************************/
-static BeamInstr** get_func_pp(BeamInstr* mod_code, Eterm f_atom, unsigned arity)
+static BeamInstr** get_func_pp(BeamCodeHeader* mod_code, Eterm f_atom, unsigned arity)
{
- int n = (int) mod_code[MI_NUM_FUNCTIONS];
+ int n = (int) mod_code->num_functions;
int j;
for (j = 0; j < n; ++j) {
- BeamInstr* code_ptr = (BeamInstr*) mod_code[MI_FUNCTIONS+j];
+ BeamInstr* code_ptr = (BeamInstr*) mod_code->functions[j];
ASSERT(code_ptr[0] == (BeamInstr) BeamOp(op_i_func_info_IaaI));
if (f_atom == ((Eterm) code_ptr[3])
&& arity == ((unsigned) code_ptr[4])) {
- return (BeamInstr**) &mod_code[MI_FUNCTIONS+j];
+ return (BeamInstr**) &mod_code->functions[j];
}
}
return NULL;
@@ -2423,8 +2423,8 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
if (init_func != NULL)
handle = init_func;
- if (!in_area(caller, mod->curr.code, mod->curr.code_length)) {
- ASSERT(in_area(caller, mod->old.code, mod->old.code_length));
+ if (!in_area(caller, mod->curr.code_hdr, mod->curr.code_length)) {
+ ASSERT(in_area(caller, mod->old.code_hdr, mod->old.code_length));
ret = load_nif_error(BIF_P, "old_code", "Calling load_nif from old "
"module '%T' not allowed", mod_atom);
@@ -2478,7 +2478,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
for (i=0; i < entry->num_of_funcs && ret==am_ok; i++) {
BeamInstr** code_pp;
if (!erts_atom_get(f->name, sys_strlen(f->name), &f_atom, ERTS_ATOM_ENC_LATIN1)
- || (code_pp = get_func_pp(mod->curr.code, f_atom, f->arity))==NULL) {
+ || (code_pp = get_func_pp(mod->curr.code_hdr, f_atom, f->arity))==NULL) {
ret = load_nif_error(BIF_P,bad_lib,"Function not found %T:%s/%u",
mod_atom, f->name, f->arity);
}
@@ -2621,7 +2621,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
{
BeamInstr* code_ptr;
erts_atom_get(f->name, sys_strlen(f->name), &f_atom, ERTS_ATOM_ENC_LATIN1);
- code_ptr = *get_func_pp(mod->curr.code, f_atom, f->arity);
+ code_ptr = *get_func_pp(mod->curr.code_hdr, f_atom, f->arity);
if (code_ptr[1] == 0) {
code_ptr[5+0] = (BeamInstr) BeamOp(op_call_nif);
diff --git a/erts/emulator/beam/module.c b/erts/emulator/beam/module.c
index 86dd3b5aac..f6794c012f 100644
--- a/erts/emulator/beam/module.c
+++ b/erts/emulator/beam/module.c
@@ -74,8 +74,8 @@ static Module* module_alloc(Module* tmpl)
erts_smp_atomic_add_nob(&tot_module_bytes, sizeof(Module));
obj->module = tmpl->module;
- obj->curr.code = 0;
- obj->old.code = 0;
+ obj->curr.code_hdr = 0;
+ obj->old.code_hdr = 0;
obj->curr.code_length = 0;
obj->old.code_length = 0;
obj->slot.index = -1;
diff --git a/erts/emulator/beam/module.h b/erts/emulator/beam/module.h
index c8a6351b04..e66d628ca9 100644
--- a/erts/emulator/beam/module.h
+++ b/erts/emulator/beam/module.h
@@ -26,7 +26,7 @@
#endif
struct erl_module_instance {
- BeamInstr* code;
+ BeamCodeHeader* code_hdr;
int code_length; /* Length of loaded code in bytes. */
unsigned catches;
struct erl_module_nif* nif;
diff --git a/erts/emulator/hipe/hipe_bif0.c b/erts/emulator/hipe/hipe_bif0.c
index 7193c3d301..c6ea8a5132 100644
--- a/erts/emulator/hipe/hipe_bif0.c
+++ b/erts/emulator/hipe/hipe_bif0.c
@@ -574,15 +574,15 @@ static void print_mfa(Eterm mod, Eterm fun, unsigned int ari)
static Uint *hipe_find_emu_address(Eterm mod, Eterm name, unsigned int arity)
{
Module *modp;
- Uint *code_base;
+ BeamCodeHeader* code_hdr;
int i, n;
modp = erts_get_module(mod, erts_active_code_ix());
- if (modp == NULL || (code_base = modp->curr.code) == NULL)
+ if (modp == NULL || (code_hdr = modp->curr.code_hdr) == NULL)
return NULL;
- n = code_base[MI_NUM_FUNCTIONS];
+ n = code_hdr->num_functions;
for (i = 0; i < n; ++i) {
- Uint *code_ptr = (Uint*)code_base[MI_FUNCTIONS+i];
+ Uint *code_ptr = (Uint*)code_hdr->functions[i];
ASSERT(code_ptr[0] == BeamOpCode(op_i_func_info_IaaI));
if (code_ptr[3] == name && code_ptr[4] == arity)
return code_ptr+5;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 09:42:37 +0000