aboutsummaryrefslogtreecommitdiffstats
path: root/erts
diff options
context:
space:
mode:
Diffstat (limited to 'erts')
-rw-r--r--erts/configure.in7
-rw-r--r--erts/doc/src/erts_alloc.xml18
-rw-r--r--erts/emulator/beam/erl_alloc.c88
-rw-r--r--erts/emulator/beam/erl_alloc.types12
-rw-r--r--erts/emulator/beam/erl_alloc_util.c67
-rw-r--r--erts/emulator/beam/erl_alloc_util.h24
-rw-r--r--erts/emulator/beam/erl_bif_info.c1
-rw-r--r--erts/emulator/hipe/hipe_amd64.c116
-rw-r--r--erts/emulator/sys/common/erl_mmap.c115
-rw-r--r--erts/emulator/sys/common/erl_mmap.h20
-rw-r--r--erts/emulator/sys/common/erl_mseg.c11
-rw-r--r--erts/emulator/sys/common/erl_mseg.h4
-rw-r--r--erts/etc/common/erlexec.c2
13 files changed, 295 insertions, 190 deletions
diff --git a/erts/configure.in b/erts/configure.in
index 97ddcf4666..11c428ced7 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -3351,6 +3351,13 @@ if test X${enable_hipe} = Xyes; then
AC_DEFINE(HIPE,[1],[Define to enable HiPE])
HIPE_HELPERS="xmerl syntax_tools edoc"
ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS hipe"
+ case "$ARCH" in
+ amd64)
+ # For now exec_alloc is only used for hipe on amd64
+ AC_MSG_NOTICE([Enable exec_alloc for hipe code allocation])
+ ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS exec_alloc"
+ ;;
+ esac
fi
fi
AC_SUBST(HIPE_HELPERS)
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 05be35e0af..70775b9f0f 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -63,6 +63,9 @@
<tag><c>fix_alloc</c></tag>
<item>A fast allocator used for some frequently used
fixed size data types.</item>
+ <tag><c>exec_alloc</c></tag>
+ <item>Allocator used by hipe for native executable code
+ on specific architectures (x86_64).</item>
<tag><c>std_alloc</c></tag>
<item>Allocator used for most memory blocks not allocated via any of
the other allocators described above.</item>
@@ -80,7 +83,8 @@
the number of system calls made.</item>
</taglist>
<p><c>sys_alloc</c> and <c>literal_alloc</c> are always enabled and
- cannot be disabled. <c>mseg_alloc</c> is always enabled if it is
+ cannot be disabled. <c>exec_alloc</c> is only available if it is needed
+ and cannot be disabled. <c>mseg_alloc</c> is always enabled if it is
available and an allocator that uses it is enabled. All other
allocators can be <seealso marker="#M_e">enabled or disabled</seealso>.
By default all allocators are enabled.
@@ -248,16 +252,17 @@
the currently present allocators:</p>
<list type="bulleted">
<item><c>B: binary_alloc</c></item>
- <item><c>I: literal_alloc</c></item>
<item><c>D: std_alloc</c></item>
<item><c>E: ets_alloc</c></item>
<item><c>F: fix_alloc</c></item>
<item><c>H: eheap_alloc</c></item>
+ <item><c>I: literal_alloc</c></item>
<item><c>L: ll_alloc</c></item>
<item><c>M: mseg_alloc</c></item>
<item><c>R: driver_alloc</c></item>
<item><c>S: sl_alloc</c></item>
<item><c>T: temp_alloc</c></item>
+ <item><c>X: exec_alloc</c></item>
<item><c>Y: sys_alloc</c></item>
</list>
<p>The following flags are available for configuration of
@@ -576,6 +581,15 @@
and is usually sufficient. The flag is ignored on 32-bit
architectures.</item>
</taglist>
+ <p>The following flag is special for <c>exec_alloc</c>:</p>
+ <taglist>
+ <tag><marker id="MIscs"/><c><![CDATA[+MXscs <size in MB>]]></c></tag>
+ <item>
+ <c>exec_alloc</c> super carrier size (in MB). The amount of
+ <em>virtual</em> address space reserved for native executable code
+ used by hipe on specific architectures (x86_64). The default is 512 MB.
+ </item>
+ </taglist>
<p>Instrumentation flags:</p>
<taglist>
<tag><marker id="Mim"/><c>+Mim true|false</c></tag>
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index a6519bd9e4..d04977b9ae 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -30,6 +30,7 @@
#endif
#define ERTS_ALLOC_C__
#define ERTS_ALC_INTERNAL__
+#define ERTS_WANT_MEM_MAPPERS
#include "sys.h"
#define ERL_THREADS_EMU_INTERNAL__
#include "erl_threads.h"
@@ -131,6 +132,9 @@ static ErtsAllocatorState_t ets_alloc_state;
static ErtsAllocatorState_t driver_alloc_state;
static ErtsAllocatorState_t fix_alloc_state;
static ErtsAllocatorState_t literal_alloc_state;
+#ifdef ERTS_ALC_A_EXEC
+static ErtsAllocatorState_t exec_alloc_state;
+#endif
static ErtsAllocatorState_t test_alloc_state;
typedef struct {
@@ -216,6 +220,7 @@ typedef struct {
struct au_init driver_alloc;
struct au_init fix_alloc;
struct au_init literal_alloc;
+ struct au_init exec_alloc;
struct au_init test_alloc;
} erts_alc_hndl_args_init_t;
@@ -307,9 +312,9 @@ set_default_literal_alloc_opts(struct au_init *ip)
ip->init.util.name_prefix = "literal_";
ip->init.util.alloc_no = ERTS_ALC_A_LITERAL;
#ifndef SMALL_MEMORY
- ip->init.util.mmbcs = 2*1024*1024; /* Main carrier size */
+ ip->init.util.mmbcs = 1024*1024; /* Main carrier size */
#else
- ip->init.util.mmbcs = 1*1024*1024; /* Main carrier size */
+ ip->init.util.mmbcs = 256*1024; /* Main carrier size */
#endif
ip->init.util.ts = ERTS_ALC_MTA_LITERAL;
ip->init.util.asbcst = 0;
@@ -329,15 +334,48 @@ set_default_literal_alloc_opts(struct au_init *ip)
ip->init.util.sys_dealloc = &erts_alcu_literal_32_sys_dealloc;
#elif defined(ARCH_64)
# ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
- ip->init.util.mseg_alloc = &erts_alcu_literal_64_mseg_alloc;
- ip->init.util.mseg_realloc = &erts_alcu_literal_64_mseg_realloc;
- ip->init.util.mseg_dealloc = &erts_alcu_literal_64_mseg_dealloc;
+ ip->init.util.mseg_alloc = &erts_alcu_mmapper_mseg_alloc;
+ ip->init.util.mseg_realloc = &erts_alcu_mmapper_mseg_realloc;
+ ip->init.util.mseg_dealloc = &erts_alcu_mmapper_mseg_dealloc;
+ ip->init.util.mseg_mmapper = &erts_literal_mmapper;
# endif
#else
# error Unknown architecture
#endif
}
+#ifdef ERTS_ALC_A_EXEC
+static void
+set_default_exec_alloc_opts(struct au_init *ip)
+{
+ SET_DEFAULT_ALLOC_OPTS(ip);
+ ip->enable = 1;
+ ip->thr_spec = 0;
+ ip->disable_allowed = 0;
+ ip->thr_spec_allowed = 0;
+ ip->carrier_migration_allowed = 0;
+ ip->atype = BESTFIT;
+ ip->init.bf.ao = 1;
+ ip->init.util.ramv = 0;
+ ip->init.util.mmsbc = 0;
+ ip->init.util.sbct = ~((UWord) 0);
+ ip->init.util.name_prefix = "exec_";
+ ip->init.util.alloc_no = ERTS_ALC_A_EXEC;
+ ip->init.util.mmbcs = 0; /* No main carrier */
+ ip->init.util.ts = ERTS_ALC_MTA_EXEC;
+ ip->init.util.asbcst = 0;
+ ip->init.util.rsbcst = 0;
+ ip->init.util.rsbcmt = 0;
+ ip->init.util.rmbcmt = 0;
+ ip->init.util.acul = 0;
+
+ ip->init.util.mseg_alloc = &erts_alcu_mmapper_mseg_alloc;
+ ip->init.util.mseg_realloc = &erts_alcu_mmapper_mseg_realloc;
+ ip->init.util.mseg_dealloc = &erts_alcu_mmapper_mseg_dealloc;
+ ip->init.util.mseg_mmapper = &erts_exec_mmapper;
+}
+#endif /* ERTS_ALC_A_EXEC */
+
static void
set_default_temp_alloc_opts(struct au_init *ip)
{
@@ -659,6 +697,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
set_default_fix_alloc_opts(&init.fix_alloc,
fix_type_sizes);
set_default_literal_alloc_opts(&init.literal_alloc);
+#ifdef ERTS_ALC_A_EXEC
+ set_default_exec_alloc_opts(&init.exec_alloc);
+#endif
set_default_test_alloc_opts(&init.test_alloc);
if (argc && argv)
@@ -688,6 +729,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
init.driver_alloc.thr_spec = 0;
init.fix_alloc.thr_spec = 0;
init.literal_alloc.thr_spec = 0;
+#ifdef ERTS_ALC_A_EXEC
+ init.exec_alloc.thr_spec = 0;
+#endif
#endif
/* Make adjustments for carrier migration support */
@@ -701,6 +745,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
adjust_carrier_migration_support(&init.driver_alloc);
adjust_carrier_migration_support(&init.fix_alloc);
adjust_carrier_migration_support(&init.literal_alloc);
+#ifdef ERTS_ALC_A_EXEC
+ adjust_carrier_migration_support(&init.exec_alloc);
+#endif
if (init.erts_alloc_config) {
/* Adjust flags that erts_alloc_config won't like */
@@ -716,6 +763,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
init.driver_alloc.thr_spec = 0;
init.fix_alloc.thr_spec = 0;
init.literal_alloc.thr_spec = 0;
+#ifdef ERTS_ALC_A_EXEC
+ init.exec_alloc.thr_spec = 0;
+#endif
/* No carrier migration */
init.temp_alloc.init.util.acul = 0;
@@ -728,6 +778,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
init.driver_alloc.init.util.acul = 0;
init.fix_alloc.init.util.acul = 0;
init.literal_alloc.init.util.acul = 0;
+#ifdef ERTS_ALC_A_EXEC
+ init.exec_alloc.init.util.acul = 0;
+#endif
}
#ifdef ERTS_SMP
@@ -745,6 +798,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
adjust_tpref(&init.driver_alloc, erts_no_schedulers);
adjust_tpref(&init.fix_alloc, erts_no_schedulers);
adjust_tpref(&init.literal_alloc, erts_no_schedulers);
+#ifdef ERTS_ALC_A_EXEC
+ adjust_tpref(&init.exec_alloc, erts_no_schedulers);
+#endif
#else
/* No thread specific if not smp */
@@ -764,6 +820,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
refuse_af_strategy(&init.driver_alloc);
refuse_af_strategy(&init.fix_alloc);
refuse_af_strategy(&init.literal_alloc);
+#ifdef ERTS_ALC_A_EXEC
+ refuse_af_strategy(&init.exec_alloc);
+#endif
#ifdef ERTS_SMP
if (!init.temp_alloc.thr_spec)
@@ -808,6 +867,9 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
set_au_allocator(ERTS_ALC_A_DRIVER, &init.driver_alloc, ncpu);
set_au_allocator(ERTS_ALC_A_FIXED_SIZE, &init.fix_alloc, ncpu);
set_au_allocator(ERTS_ALC_A_LITERAL, &init.literal_alloc, ncpu);
+#ifdef ERTS_ALC_A_EXEC
+ set_au_allocator(ERTS_ALC_A_EXEC, &init.exec_alloc, ncpu);
+#endif
set_au_allocator(ERTS_ALC_A_TEST, &init.test_alloc, ncpu);
for (i = ERTS_ALC_A_MIN; i <= ERTS_ALC_A_MAX; i++) {
@@ -864,7 +926,11 @@ erts_alloc_init(int *argc, char **argv, ErtsAllocInitOpts *eaiop)
start_au_allocator(ERTS_ALC_A_LITERAL,
&init.literal_alloc,
&literal_alloc_state);
-
+#ifdef ERTS_ALC_A_EXEC
+ start_au_allocator(ERTS_ALC_A_EXEC,
+ &init.exec_alloc,
+ &exec_alloc_state);
+#endif
start_au_allocator(ERTS_ALC_A_TEST,
&init.test_alloc,
&test_alloc_state);
@@ -1499,6 +1565,16 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
else
handle_au_arg(&init->literal_alloc, &argv[i][3], argv, &i, 0);
break;
+ case 'X':
+ if (has_prefix("scs", argv[i]+3)) {
+#ifdef ERTS_ALC_A_EXEC
+ init->mseg.exec_mmap.scs =
+#endif
+ get_mb_value(argv[i]+6, argv, &i);
+ }
+ else
+ handle_au_arg(&init->exec_alloc, &argv[i][3], argv, &i, 0);
+ break;
case 'D':
handle_au_arg(&init->std_alloc, &argv[i][3], argv, &i, 0);
break;
diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types
index d2fe440d47..ad62a87326 100644
--- a/erts/emulator/beam/erl_alloc.types
+++ b/erts/emulator/beam/erl_alloc.types
@@ -87,6 +87,9 @@ allocator EHEAP true eheap_alloc
allocator ETS true ets_alloc
allocator FIXED_SIZE true fix_alloc
allocator LITERAL true literal_alloc
++if exec_alloc
+allocator EXEC true exec_alloc
++endif
+else # Non smp build
@@ -98,6 +101,9 @@ allocator EHEAP false eheap_alloc
allocator ETS false ets_alloc
allocator FIXED_SIZE false fix_alloc
allocator LITERAL false literal_alloc
++if exec_alloc
+allocator EXEC false exec_alloc
++endif
+endif
@@ -338,8 +344,14 @@ type SL_MPATHS SHORT_LIVED SYSTEM sl_migration_paths
# Currently most hipe code use this type.
type HIPE SYSTEM SYSTEM hipe_data
++if exec_alloc
+type HIPE_EXEC EXEC CODE hipe_code
++endif
+
+endif
+
+
+if heap_frag_elim_test
type SSB SHORT_LIVED PROCESSES ssb
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index b913886d86..be7c16cc05 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -859,28 +859,34 @@ void*
erts_alcu_literal_32_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
{
void* res;
+ Uint sz = ERTS_SUPERALIGNED_CEILING(*size_p);
ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL
&& !allctr->t && allctr->thread_safe);
- res = erts_alcu_mseg_alloc(allctr, size_p, flags);
- if (res)
- set_literal_range(res, *size_p);
+ res = erts_alcu_mseg_alloc(allctr, &sz, flags);
+ if (res) {
+ set_literal_range(res, sz);
+ *size_p = sz;
+ }
return res;
}
void*
erts_alcu_literal_32_mseg_realloc(Allctr_t *allctr, void *seg,
- Uint old_size, Uint *new_size_p)
+ Uint old_size, Uint *new_size_p)
{
void* res;
+ Uint new_sz = ERTS_SUPERALIGNED_CEILING(*new_size_p);
ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL
&& !allctr->t && allctr->thread_safe);
if (seg && old_size)
clear_literal_range(seg, old_size);
- res = erts_alcu_mseg_realloc(allctr, seg, old_size, new_size_p);
- if (res)
- set_literal_range(res, *new_size_p);
+ res = erts_alcu_mseg_realloc(allctr, seg, old_size, &new_sz);
+ if (res) {
+ set_literal_range(res, new_sz);
+ *new_size_p = new_sz;
+ }
return res;
}
@@ -898,8 +904,9 @@ erts_alcu_literal_32_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
#elif defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+/* Used by literal allocator that has its own mmapper (super carrier) */
void*
-erts_alcu_literal_64_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
+erts_alcu_mmapper_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
{
void* res;
UWord size = (UWord) *size_p;
@@ -907,33 +914,33 @@ erts_alcu_literal_64_mseg_alloc(Allctr_t *allctr, Uint *size_p, Uint flags)
if (flags & ERTS_MSEG_FLG_2POW)
mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED;
- res = erts_mmap(&erts_literal_mmapper, mmap_flags, &size);
+ res = erts_mmap(allctr->mseg_mmapper, mmap_flags, &size);
*size_p = (Uint)size;
INC_CC(allctr->calls.mseg_alloc);
return res;
}
void*
-erts_alcu_literal_64_mseg_realloc(Allctr_t *allctr, void *seg,
+erts_alcu_mmapper_mseg_realloc(Allctr_t *allctr, void *seg,
Uint old_size, Uint *new_size_p)
{
void *res;
UWord new_size = (UWord) *new_size_p;
- res = erts_mremap(&erts_literal_mmapper, ERTS_MSEG_FLG_NONE, seg, old_size, &new_size);
+ res = erts_mremap(allctr->mseg_mmapper, ERTS_MSEG_FLG_NONE, seg, old_size, &new_size);
*new_size_p = (Uint) new_size;
INC_CC(allctr->calls.mseg_realloc);
return res;
}
void
-erts_alcu_literal_64_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
+erts_alcu_mmapper_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
Uint flags)
{
Uint32 mmap_flags = ERTS_MMAPFLG_SUPERCARRIER_ONLY;
if (flags & ERTS_MSEG_FLG_2POW)
mmap_flags |= ERTS_MMAPFLG_SUPERALIGNED;
- erts_munmap(&erts_literal_mmapper, mmap_flags, seg, (UWord)size);
+ erts_munmap(allctr->mseg_mmapper, mmap_flags, seg, (UWord)size);
INC_CC(allctr->calls.mseg_dealloc);
}
#endif /* ARCH_64 && ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION */
@@ -941,9 +948,10 @@ erts_alcu_literal_64_mseg_dealloc(Allctr_t *allctr, void *seg, Uint size,
#endif /* HAVE_ERTS_MSEG */
void*
-erts_alcu_sys_alloc(Allctr_t *allctr, Uint size, int superalign)
+erts_alcu_sys_alloc(Allctr_t *allctr, Uint* size_p, int superalign)
{
void *res;
+ const Uint size = *size_p;
#if ERTS_SA_MB_CARRIERS && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
if (superalign)
res = erts_sys_aligned_alloc(ERTS_SACRR_UNIT_SZ, size);
@@ -957,9 +965,10 @@ erts_alcu_sys_alloc(Allctr_t *allctr, Uint size, int superalign)
}
void*
-erts_alcu_sys_realloc(Allctr_t *allctr, void *ptr, Uint size, Uint old_size, int superalign)
+erts_alcu_sys_realloc(Allctr_t *allctr, void *ptr, Uint *size_p, Uint old_size, int superalign)
{
void *res;
+ const Uint size = *size_p;
#if ERTS_SA_MB_CARRIERS && ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC
if (superalign)
@@ -994,30 +1003,37 @@ erts_alcu_sys_dealloc(Allctr_t *allctr, void *ptr, Uint size, int superalign)
#ifdef ARCH_32
void*
-erts_alcu_literal_32_sys_alloc(Allctr_t *allctr, Uint size, int superalign)
+erts_alcu_literal_32_sys_alloc(Allctr_t *allctr, Uint* size_p, int superalign)
{
void* res;
+ Uint size = ERTS_SUPERALIGNED_CEILING(*size_p);
ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL
&& !allctr->t && allctr->thread_safe);
- res = erts_alcu_sys_alloc(allctr, size, 1);
- if (res)
+ res = erts_alcu_sys_alloc(allctr, &size, 1);
+ if (res) {
set_literal_range(res, size);
+ *size_p = size;
+ }
return res;
}
void*
-erts_alcu_literal_32_sys_realloc(Allctr_t *allctr, void *ptr, Uint size, Uint old_size, int superalign)
+erts_alcu_literal_32_sys_realloc(Allctr_t *allctr, void *ptr, Uint* size_p, Uint old_size, int superalign)
{
void* res;
+ Uint size = ERTS_SUPERALIGNED_CEILING(*size_p);
+
ERTS_LC_ASSERT(allctr->alloc_no == ERTS_ALC_A_LITERAL
&& !allctr->t && allctr->thread_safe);
if (ptr && old_size)
clear_literal_range(ptr, old_size);
- res = erts_alcu_sys_realloc(allctr, ptr, size, old_size, 1);
- if (res)
+ res = erts_alcu_sys_realloc(allctr, ptr, &size, old_size, 1);
+ if (res) {
set_literal_range(res, size);
+ *size_p = size;
+ }
return res;
}
@@ -3864,12 +3880,12 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
? UNIT_CEILING(bcrr_sz)
: SYS_ALLOC_CARRIER_CEILING(bcrr_sz));
- crr = (Carrier_t *) allctr->sys_alloc(allctr, crr_sz, flags & CFLG_MBC);
+ crr = (Carrier_t *) allctr->sys_alloc(allctr, &crr_sz, flags & CFLG_MBC);
if (!crr) {
if (crr_sz > UNIT_CEILING(bcrr_sz)) {
crr_sz = UNIT_CEILING(bcrr_sz);
- crr = (Carrier_t *) allctr->sys_alloc(allctr, crr_sz, flags & CFLG_MBC);
+ crr = (Carrier_t *) allctr->sys_alloc(allctr, &crr_sz, flags & CFLG_MBC);
}
if (!crr) {
#if HAVE_ERTS_MSEG
@@ -4027,7 +4043,7 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
new_crr = (Carrier_t *) allctr->sys_realloc(allctr,
(void *) old_crr,
- new_crr_sz,
+ &new_crr_sz,
old_crr_sz,
0);
if (new_crr) {
@@ -4048,7 +4064,7 @@ resize_carrier(Allctr_t *allctr, Block_t *old_blk, Uint umem_sz, UWord flags)
new_crr_sz = UNIT_CEILING(new_crr_sz);
new_crr = (Carrier_t *) allctr->sys_realloc(allctr,
(void *) old_crr,
- new_crr_sz,
+ &new_crr_sz,
old_crr_sz,
0);
if (new_crr)
@@ -6127,6 +6143,7 @@ erts_alcu_start(Allctr_t *allctr, AllctrInit_t *init)
allctr->mseg_alloc = init->mseg_alloc;
allctr->mseg_realloc = init->mseg_realloc;
allctr->mseg_dealloc = init->mseg_dealloc;
+ allctr->mseg_mmapper = init->mseg_mmapper;
}
else {
ASSERT(!init->mseg_realloc && !init->mseg_dealloc);
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index 527a0cd91d..f50f09907a 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -72,9 +72,10 @@ typedef struct {
void* (*mseg_alloc)(Allctr_t*, Uint *size_p, Uint flags);
void* (*mseg_realloc)(Allctr_t*, void *seg, Uint old_size, Uint *new_size_p);
void (*mseg_dealloc)(Allctr_t*, void *seg, Uint size, Uint flags);
+ ErtsMemMapper *mseg_mmapper;
#endif
- void* (*sys_alloc)(Allctr_t *allctr, Uint size, int superalign);
- void* (*sys_realloc)(Allctr_t *allctr, void *ptr, Uint size, Uint old_size, int superalign);
+ void* (*sys_alloc)(Allctr_t *allctr, Uint *size_p, int superalign);
+ void* (*sys_realloc)(Allctr_t *allctr, void *ptr, Uint *size_p, Uint old_size, int superalign);
void (*sys_dealloc)(Allctr_t *allctr, void *ptr, Uint size, int superalign);
} AllctrInit_t;
@@ -205,18 +206,18 @@ void* erts_alcu_literal_32_mseg_realloc(Allctr_t*, void *seg, Uint old_size, Uin
void erts_alcu_literal_32_mseg_dealloc(Allctr_t*, void *seg, Uint size, Uint flags);
# elif defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
-void* erts_alcu_literal_64_mseg_alloc(Allctr_t*, Uint *size_p, Uint flags);
-void* erts_alcu_literal_64_mseg_realloc(Allctr_t*, void *seg, Uint old_size, Uint *new_size_p);
-void erts_alcu_literal_64_mseg_dealloc(Allctr_t*, void *seg, Uint size, Uint flags);
+void* erts_alcu_mmapper_mseg_alloc(Allctr_t*, Uint *size_p, Uint flags);
+void* erts_alcu_mmapper_mseg_realloc(Allctr_t*, void *seg, Uint old_size, Uint *new_size_p);
+void erts_alcu_mmapper_mseg_dealloc(Allctr_t*, void *seg, Uint size, Uint flags);
# endif
#endif /* HAVE_ERTS_MSEG */
-void* erts_alcu_sys_alloc(Allctr_t*, Uint size, int superalign);
-void* erts_alcu_sys_realloc(Allctr_t*, void *ptr, Uint size, Uint old_size, int superalign);
+void* erts_alcu_sys_alloc(Allctr_t*, Uint *size_p, int superalign);
+void* erts_alcu_sys_realloc(Allctr_t*, void *ptr, Uint *size_p, Uint old_size, int superalign);
void erts_alcu_sys_dealloc(Allctr_t*, void *ptr, Uint size, int superalign);
#ifdef ARCH_32
-void* erts_alcu_literal_32_sys_alloc(Allctr_t*, Uint size, int superalign);
-void* erts_alcu_literal_32_sys_realloc(Allctr_t*, void *ptr, Uint size, Uint old_size, int superalign);
+void* erts_alcu_literal_32_sys_alloc(Allctr_t*, Uint *size_p, int superalign);
+void* erts_alcu_literal_32_sys_realloc(Allctr_t*, void *ptr, Uint *size_p, Uint old_size, int superalign);
void erts_alcu_literal_32_sys_dealloc(Allctr_t*, void *ptr, Uint size, int superalign);
#endif
@@ -601,9 +602,10 @@ struct Allctr_t_ {
void* (*mseg_alloc)(Allctr_t*, Uint *size_p, Uint flags);
void* (*mseg_realloc)(Allctr_t*, void *seg, Uint old_size, Uint *new_size_p);
void (*mseg_dealloc)(Allctr_t*, void *seg, Uint size, Uint flags);
+ ErtsMemMapper *mseg_mmapper;
#endif
- void* (*sys_alloc)(Allctr_t *allctr, Uint size, int superalign);
- void* (*sys_realloc)(Allctr_t *allctr, void *ptr, Uint size, Uint old_size, int superalign);
+ void* (*sys_alloc)(Allctr_t *allctr, Uint *size_p, int superalign);
+ void* (*sys_realloc)(Allctr_t *allctr, void *ptr, Uint *size_p, Uint old_size, int superalign);
void (*sys_dealloc)(Allctr_t *allctr, void *ptr, Uint size, int superalign);
void (*init_atoms) (void);
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 7a72b0d8cc..c9741b361f 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -22,6 +22,7 @@
# include "config.h"
#endif
+#define ERTS_WANT_MEM_MAPPERS
#include "sys.h"
#include "erl_vm.h"
#include "global.h"
diff --git a/erts/emulator/hipe/hipe_amd64.c b/erts/emulator/hipe/hipe_amd64.c
index 55bfd26b29..62739d2a78 100644
--- a/erts/emulator/hipe/hipe_amd64.c
+++ b/erts/emulator/hipe/hipe_amd64.c
@@ -83,21 +83,6 @@ int hipe_patch_call(void *callAddress, void *destAddress, void *trampoline)
return 0;
}
-/*
- * Memory allocator for executable code.
- *
- * This is required on AMD64 because some Linux kernels
- * (including 2.6.10-rc1 and newer www.kernel.org ones)
- * default to non-executable memory mappings, causing
- * ordinary malloc() memory to be non-executable.
- *
- * Implementing this properly also allows us to ensure that
- * executable code ends up in the low 2GB of the address space,
- * as required by HiPE/AMD64's small code model.
- */
-static unsigned int code_bytes;
-static char *code_next;
-
#if 0 /* change to non-zero to get allocation statistics at exit() */
static unsigned int total_mapped, nr_joins, nr_splits, total_alloc, nr_allocs, nr_large, total_lost;
static unsigned int atexit_done;
@@ -121,101 +106,20 @@ static void atexit_alloc_code_stats(void)
#define ALLOC_CODE_STATS(X) do{}while(0)
#endif
-/* FreeBSD 6.1 breakage */
-#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
-static int morecore(unsigned int alloc_bytes)
-{
- unsigned int map_bytes;
- char *map_hint, *map_start;
-
- /* Page-align the amount to allocate. */
- map_bytes = (alloc_bytes + 4095) & ~4095;
-
- /* Round up small allocations. */
- if (map_bytes < 1024*1024)
- map_bytes = 1024*1024;
- else
- ALLOC_CODE_STATS(++nr_large);
-
- /* Create a new memory mapping, ensuring it is executable
- and in the low 2GB of the address space. Also attempt
- to make it adjacent to the previous mapping. */
- map_hint = code_next + code_bytes;
-#if !defined(MAP_32BIT)
- /* FreeBSD doesn't have MAP_32BIT, and it doesn't respect
- a plain map_hint (returns high mappings even though the
- hint refers to a free area), so we have to use both map_hint
- and MAP_FIXED to get addresses below the 2GB boundary.
- This is even worse than the Linux/ppc64 case.
- Similarly, Solaris 10 doesn't have MAP_32BIT,
- and it doesn't respect a plain map_hint. */
- if (!map_hint) /* first call */
- map_hint = (char*)(512*1024*1024); /* 0.5GB */
-#endif
- if ((unsigned long)map_hint & 4095)
- abort();
- map_start = mmap(map_hint, map_bytes,
- PROT_EXEC|PROT_READ|PROT_WRITE,
- MAP_PRIVATE|MAP_ANONYMOUS
-#if defined(MAP_32BIT)
- |MAP_32BIT
-#elif defined(__FreeBSD__) || defined(__sun__)
- |MAP_FIXED
-#endif
- ,
- -1, 0);
- ALLOC_CODE_STATS(fprintf(stderr, "%s: mmap(%p,%u,...) == %p\r\n", __FUNCTION__, map_hint, map_bytes, map_start));
-#if !defined(MAP_32BIT)
- if (map_start != MAP_FAILED &&
- (((unsigned long)map_start + (map_bytes-1)) & ~0x7FFFFFFFUL)) {
- fprintf(stderr, "mmap with hint %p returned code memory %p\r\n", map_hint, map_start);
- abort();
- }
-#endif
- if (map_start == MAP_FAILED)
- return -1;
-
- ALLOC_CODE_STATS(total_mapped += map_bytes);
-
- /* Merge adjacent mappings, so the trailing portion of the previous
- mapping isn't lost. In practice this is quite successful. */
- if (map_start == map_hint) {
- ALLOC_CODE_STATS(++nr_joins);
- code_bytes += map_bytes;
-#if !defined(MAP_32BIT)
- if (!code_next) /* first call */
- code_next = map_start;
-#endif
- } else {
- ALLOC_CODE_STATS(++nr_splits);
- ALLOC_CODE_STATS(total_lost += code_bytes);
- code_next = map_start;
- code_bytes = map_bytes;
- }
-
- ALLOC_CODE_STATS(atexit_alloc_code_stats());
-
- return 0;
-}
-
+/*
+ * Memory allocator for executable code.
+ *
+ * We use a dedicated allocator for executable code (from OTP 19.0)
+ * to make sure the memory we get is executable (PROT_EXEC)
+ * and to ensure that executable code ends up in the low 2GB
+ * of the address space, as required by HiPE/AMD64's small code model.
+ */
static void *alloc_code(unsigned int alloc_bytes)
{
- void *res;
-
- /* Align function entries. */
- alloc_bytes = (alloc_bytes + 3) & ~3;
-
- if (code_bytes < alloc_bytes && morecore(alloc_bytes) != 0)
- return NULL;
ALLOC_CODE_STATS(++nr_allocs);
ALLOC_CODE_STATS(total_alloc += alloc_bytes);
- res = code_next;
- code_next += alloc_bytes;
- code_bytes -= alloc_bytes;
- return res;
+
+ return erts_alloc(ERTS_ALC_T_HIPE_EXEC, alloc_bytes);
}
void *hipe_alloc_code(Uint nrbytes, Eterm callees, Eterm *trampolines, Process *p)
diff --git a/erts/emulator/sys/common/erl_mmap.c b/erts/emulator/sys/common/erl_mmap.c
index 867ab6f3c1..a7e710070b 100644
--- a/erts/emulator/sys/common/erl_mmap.c
+++ b/erts/emulator/sys/common/erl_mmap.c
@@ -294,12 +294,13 @@ typedef struct {
}ErtsFreeSegMap;
struct ErtsMemMapper_ {
- int (*reserve_physical)(char *, UWord);
+ int (*reserve_physical)(char *, UWord, int exec);
void (*unreserve_physical)(char *, UWord);
int supercarrier;
int no_os_mmap;
+ int executable; /* is client a native code allocator? */
/*
- * Super unaligend area is located above super aligned
+ * Super unaligned area is located above super aligned
* area. That is, `sa.bot` is beginning of the super
* carrier, `sua.top` is the end of the super carrier,
* and sa.top and sua.bot moves towards eachother.
@@ -355,6 +356,12 @@ char* erts_literals_start;
UWord erts_literals_size;
#endif
+#ifdef ERTS_ALC_A_EXEC
+ErtsMemMapper erts_exec_mmapper;
+#endif
+
+
+
#define ERTS_MMAP_SIZE_SC_SA_INC(SZ) \
do { \
mm->size.supercarrier.used.total += (SZ); \
@@ -1232,6 +1239,7 @@ Eterm build_free_seg_list(Process* p, ErtsFreeSegMap* map)
#if HAVE_MMAP
# define ERTS_MMAP_PROT (PROT_READ|PROT_WRITE)
+# define ERTS_MMAP_PROT_EXEC (PROT_READ|PROT_WRITE|PROT_EXEC)
# if defined(MAP_ANONYMOUS)
# define ERTS_MMAP_FLAGS (MAP_ANON|MAP_PRIVATE)
# define ERTS_MMAP_FD (-1)
@@ -1245,24 +1253,26 @@ Eterm build_free_seg_list(Process* p, ErtsFreeSegMap* map)
#endif
static ERTS_INLINE void *
-os_mmap(void *hint_ptr, UWord size, int try_superalign)
+os_mmap(void *hint_ptr, UWord size, int try_superalign, int executable)
{
#if HAVE_MMAP
+ const int prot = executable ? ERTS_MMAP_PROT_EXEC : ERTS_MMAP_PROT;
void *res;
#ifdef MAP_ALIGN
if (try_superalign)
- res = mmap((void *) ERTS_SUPERALIGNED_SIZE, size, ERTS_MMAP_PROT,
+ res = mmap((void *) ERTS_SUPERALIGNED_SIZE, size, prot,
ERTS_MMAP_FLAGS|MAP_ALIGN, ERTS_MMAP_FD, 0);
else
#endif
- res = mmap((void *) hint_ptr, size, ERTS_MMAP_PROT,
+ res = mmap((void *) hint_ptr, size, prot,
ERTS_MMAP_FLAGS, ERTS_MMAP_FD, 0);
if (res == MAP_FAILED)
return NULL;
return res;
#elif HAVE_VIRTUALALLOC
+ const DWORD prot = executable ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE;
return (void *) VirtualAlloc(NULL, (SIZE_T) size,
- MEM_COMMIT|MEM_RESERVE, PAGE_READWRITE);
+ MEM_COMMIT|MEM_RESERVE, prot);
#else
# error "missing mmap() or similar"
#endif
@@ -1319,6 +1329,7 @@ os_mremap(void *ptr, UWord old_size, UWord new_size, int try_superalign)
#if HAVE_MMAP
#define ERTS_MMAP_RESERVE_PROT (ERTS_MMAP_PROT)
+#define ERTS_MMAP_RESERVE_PROT_EXEC (ERTS_MMAP_PROT_EXEC)
#define ERTS_MMAP_RESERVE_FLAGS (ERTS_MMAP_FLAGS|MAP_FIXED)
#define ERTS_MMAP_UNRESERVE_PROT (PROT_NONE)
#define ERTS_MMAP_UNRESERVE_FLAGS (ERTS_MMAP_FLAGS|MAP_NORESERVE|MAP_FIXED)
@@ -1326,9 +1337,10 @@ os_mremap(void *ptr, UWord old_size, UWord new_size, int try_superalign)
#define ERTS_MMAP_VIRTUAL_FLAGS (ERTS_MMAP_FLAGS|MAP_NORESERVE)
static int
-os_reserve_physical(char *ptr, UWord size)
+os_reserve_physical(char *ptr, UWord size, int exec)
{
- void *res = mmap((void *) ptr, (size_t) size, ERTS_MMAP_RESERVE_PROT,
+ const int prot = exec ? ERTS_MMAP_RESERVE_PROT_EXEC : ERTS_MMAP_RESERVE_PROT;
+ void *res = mmap((void *) ptr, (size_t) size, prot,
ERTS_MMAP_RESERVE_FLAGS, ERTS_MMAP_FD, 0);
if (res == (void *) MAP_FAILED)
return 0;
@@ -1345,10 +1357,39 @@ os_unreserve_physical(char *ptr, UWord size)
}
static void *
-os_mmap_virtual(char *ptr, UWord size)
+os_mmap_virtual(char *ptr, UWord size, int exec)
{
- void *res = mmap((void *) ptr, (size_t) size, ERTS_MMAP_VIRTUAL_PROT,
- ERTS_MMAP_VIRTUAL_FLAGS, ERTS_MMAP_FD, 0);
+ int flags = ERTS_MMAP_VIRTUAL_FLAGS;
+ void* res;
+
+#ifdef ERTS_ALC_A_EXEC
+ if (exec) {
+ ASSERT(!ptr);
+ /* OTP-19.0: Nice hack below cut-and-pasted from hipe_amd64.c */
+
+# ifdef MAP_32BIT
+ /* If we got MAP_32BIT (Linux), then use that to ask for low memory */
+ flags |= MAP_32BIT;
+# else
+ /* FreeBSD doesn't have MAP_32BIT, and it doesn't respect
+ a plain map_hint (returns high mappings even though the
+ hint refers to a free area), so we have to use both map_hint
+ and MAP_FIXED to get addresses below the 2GB boundary.
+ This is even worse than the Linux/ppc64 case.
+ Similarly, Solaris 10 doesn't have MAP_32BIT,
+ and it doesn't respect a plain map_hint. */
+ ptr = (char*)(512*1024*1024); /* 0.5GB */
+
+# if defined(__FreeBSD__) || defined(__sun__)
+ flags |= MAP_FIXED;
+# endif
+# endif /* !MAP_32BIT */
+ }
+#else /* !ERTS_ALC_A_EXEC */
+ ASSERT(!exec);
+#endif
+ res = mmap((void *) ptr, (size_t) size, ERTS_MMAP_VIRTUAL_PROT,
+ flags, ERTS_MMAP_FD, 0);
if (res == (void *) MAP_FAILED)
return NULL;
return res;
@@ -1361,7 +1402,7 @@ os_mmap_virtual(char *ptr, UWord size)
#endif /* ERTS_HAVE_OS_MMAP */
-static int reserve_noop(char *ptr, UWord size)
+static int reserve_noop(char *ptr, UWord size, int exec)
{
#ifdef ERTS_MMAP_DEBUG_FILL_AREAS
Uint32 *uip, *end = (Uint32 *) (ptr + size);
@@ -1404,7 +1445,7 @@ alloc_desc_insert_free_seg(ErtsMemMapper* mm,
#if ERTS_HAVE_OS_MMAP
if (!mm->no_os_mmap) {
- ptr = os_mmap(mm->desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0);
+ ptr = os_mmap(mm->desc.new_area_hint, ERTS_PAGEALIGNED_SIZE, 0, 0);
if (ptr) {
mm->desc.new_area_hint = ptr+ERTS_PAGEALIGNED_SIZE;
ERTS_MMAP_SIZE_OS_INC(ERTS_PAGEALIGNED_SIZE);
@@ -1423,7 +1464,7 @@ alloc_desc_insert_free_seg(ErtsMemMapper* mm,
da_map = &mm->sua.map;
desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE);
if (desc) {
- if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
+ if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE, 0))
ERTS_MMAP_SIZE_SC_SUA_INC(ERTS_PAGEALIGNED_SIZE);
else
desc = NULL;
@@ -1433,7 +1474,7 @@ alloc_desc_insert_free_seg(ErtsMemMapper* mm,
da_map = &mm->sa.map;
desc = lookup_free_seg(da_map, ERTS_PAGEALIGNED_SIZE);
if (desc) {
- if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE))
+ if (mm->reserve_physical(desc->start, ERTS_PAGEALIGNED_SIZE, 0))
ERTS_MMAP_SIZE_SC_SA_INC(ERTS_PAGEALIGNED_SIZE);
else
desc = NULL;
@@ -1494,7 +1535,7 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
if (desc) {
seg = desc->start;
end = seg+asize;
- if (!mm->reserve_physical(seg, asize))
+ if (!mm->reserve_physical(seg, asize, mm->executable))
goto supercarrier_reserve_failure;
if (desc->end == end) {
delete_free_seg(&mm->sua.map, desc);
@@ -1509,8 +1550,8 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
}
if (asize <= mm->sua.bot - mm->sa.top) {
- if (!mm->reserve_physical(mm->sua.bot - asize,
- asize))
+ if (!mm->reserve_physical(mm->sua.bot - asize, asize,
+ mm->executable))
goto supercarrier_reserve_failure;
mm->sua.bot -= asize;
seg = mm->sua.bot;
@@ -1526,7 +1567,8 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
char *start = seg = desc->start;
seg = (char *) ERTS_SUPERALIGNED_CEILING(seg);
end = seg+asize;
- if (!mm->reserve_physical(start, (UWord) (end - start)))
+ if (!mm->reserve_physical(start, (UWord) (end - start),
+ mm->executable))
goto supercarrier_reserve_failure;
ERTS_MMAP_SIZE_SC_SA_INC(asize);
if (desc->end == end) {
@@ -1558,7 +1600,8 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
if (asize + (seg - start) <= mm->sua.bot - start) {
end = seg + asize;
- if (!mm->reserve_physical(start, (UWord) (end - start)))
+ if (!mm->reserve_physical(start, (UWord) (end - start),
+ mm->executable))
goto supercarrier_reserve_failure;
mm->sa.top = end;
ERTS_MMAP_SIZE_SC_SA_INC(asize);
@@ -1580,7 +1623,8 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
seg = (char *) ERTS_SUPERALIGNED_CEILING(org_start);
end = seg + asize;
- if (!mm->reserve_physical(seg, (UWord) (org_end - seg)))
+ if (!mm->reserve_physical(seg, (UWord) (org_end - seg),
+ mm->executable))
goto supercarrier_reserve_failure;
ERTS_MMAP_SIZE_SC_SUA_INC(asize);
if (org_start != seg) {
@@ -1613,13 +1657,13 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
/* Map using OS primitives */
if (!(ERTS_MMAPFLG_SUPERCARRIER_ONLY & flags) && !mm->no_os_mmap) {
if (!(ERTS_MMAPFLG_SUPERALIGNED & flags)) {
- seg = os_mmap(NULL, asize, 0);
+ seg = os_mmap(NULL, asize, 0, mm->executable);
if (!seg)
goto failure;
}
else {
asize = ERTS_SUPERALIGNED_CEILING(*sizep);
- seg = os_mmap(NULL, asize, 1);
+ seg = os_mmap(NULL, asize, 1, mm->executable);
if (!seg)
goto failure;
@@ -1629,7 +1673,8 @@ erts_mmap(ErtsMemMapper* mm, Uint32 flags, UWord *sizep)
os_munmap(seg, asize);
- ptr = os_mmap(NULL, asize + ERTS_SUPERALIGNED_SIZE, 1);
+ ptr = os_mmap(NULL, asize + ERTS_SUPERALIGNED_SIZE, 1,
+ mm->executable);
if (!ptr)
goto failure;
@@ -1964,7 +2009,8 @@ erts_mremap(ErtsMemMapper* mm,
if (next && new_end <= next->end) {
if (!mm->reserve_physical(((char *) ptr) + old_size,
- asize - old_size))
+ asize - old_size,
+ mm->executable))
goto supercarrier_reserve_failure;
if (new_end < next->end)
resize_free_seg(&mm->sua.map, next, new_end, next->end);
@@ -1982,7 +2028,8 @@ erts_mremap(ErtsMemMapper* mm,
if (end == mm->sa.top) {
if (new_end <= mm->sua.bot) {
if (!mm->reserve_physical(((char *) ptr) + old_size,
- asize - old_size))
+ asize - old_size,
+ mm->executable))
goto supercarrier_reserve_failure;
mm->sa.top = new_end;
new_ptr = ptr;
@@ -1994,7 +2041,8 @@ erts_mremap(ErtsMemMapper* mm,
adjacent_free_seg(&mm->sa.map, start, end, &prev, &next);
if (next && new_end <= next->end) {
if (!mm->reserve_physical(((char *) ptr) + old_size,
- asize - old_size))
+ asize - old_size,
+ mm->executable))
goto supercarrier_reserve_failure;
if (new_end < next->end)
resize_free_seg(&mm->sa.map, next, new_end, next->end);
@@ -2112,7 +2160,7 @@ static void hard_dbg_mseg_init(void);
#endif
void
-erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
+erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init, int executable)
{
static int is_first_call = 1;
int virtual_map = 0;
@@ -2144,6 +2192,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
mm->supercarrier = 0;
mm->reserve_physical = reserve_noop;
mm->unreserve_physical = unreserve_noop;
+ mm->executable = executable;
#if HAVE_MMAP && !defined(MAP_ANON)
mm->mmap_fd = open("/dev/zero", O_RDWR);
@@ -2163,7 +2212,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
ptr = (char *) ERTS_PAGEALIGNED_CEILING(init->virtual_range.start);
end = (char *) ERTS_PAGEALIGNED_FLOOR(init->virtual_range.end);
sz = end - ptr;
- start = os_mmap_virtual(ptr, sz);
+ start = os_mmap_virtual(ptr, sz, executable);
if (!start || start > ptr || start >= end)
erts_exit(1,
"erts_mmap: Failed to create virtual range for super carrier\n");
@@ -2188,7 +2237,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
sz = ERTS_PAGEALIGNED_CEILING(init->scs);
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
if (!init->scrpm) {
- start = os_mmap_virtual(NULL, sz);
+ start = os_mmap_virtual(NULL, sz, executable);
mm->reserve_physical = os_reserve_physical;
mm->unreserve_physical = os_unreserve_physical;
virtual_map = 1;
@@ -2200,7 +2249,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
* The whole supercarrier will by physically
* reserved all the time.
*/
- start = os_mmap(NULL, sz, 1);
+ start = os_mmap(NULL, sz, 1, executable);
}
if (!start)
erts_exit(1,
@@ -2274,7 +2323,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
mm->sua.top -= ERTS_PAGEALIGNED_SIZE;
mm->size.supercarrier.used.total += ERTS_PAGEALIGNED_SIZE;
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
- if (!virtual_map || os_reserve_physical(mm->sua.top, ERTS_PAGEALIGNED_SIZE))
+ if (!virtual_map || os_reserve_physical(mm->sua.top, ERTS_PAGEALIGNED_SIZE, 0))
#endif
add_free_desc_area(mm, mm->sua.top, end);
mm->desc.reserved += (end - mm->sua.top) / sizeof(ErtsFreeSegDesc);
@@ -2287,7 +2336,7 @@ erts_mmap_init(ErtsMemMapper* mm, ErtsMMapInit *init)
* will be used for free segment descritors.
*/
#ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION
- if (virtual_map && !os_reserve_physical(start, mm->sa.bot - start))
+ if (virtual_map && !os_reserve_physical(start, mm->sa.bot - start, 0))
erts_exit(1, "erts_mmap: Failed to reserve physical memory for descriptors\n");
#endif
mm->desc.unused_start = start;
diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h
index 1341a0b7eb..b3c45ba116 100644
--- a/erts/emulator/sys/common/erl_mmap.h
+++ b/erts/emulator/sys/common/erl_mmap.h
@@ -53,7 +53,12 @@ typedef struct {
#define ERTS_LITERAL_VIRTUAL_AREA_SIZE (UWORD_CONSTANT(1)*1024*1024*1024)
#define ERTS_MMAP_INIT_LITERAL_INITER \
- {{NULL, NULL}, {NULL, NULL}, ERTS_LITERAL_VIRTUAL_AREA_SIZE, 1, (1 << 16), 0}
+ {{NULL, NULL}, {NULL, NULL}, ERTS_LITERAL_VIRTUAL_AREA_SIZE, 1, (1 << 10), 0}
+
+#define ERTS_HIPE_EXEC_VIRTUAL_AREA_SIZE (UWORD_CONSTANT(512)*1024*1024)
+
+#define ERTS_MMAP_INIT_HIPE_EXEC_INITER \
+ {{NULL, NULL}, {NULL, NULL}, ERTS_HIPE_EXEC_VIRTUAL_AREA_SIZE, 1, (1 << 10), 0}
typedef struct ErtsMemMapper_ ErtsMemMapper;
@@ -61,7 +66,7 @@ void *erts_mmap(ErtsMemMapper*, Uint32 flags, UWord *sizep);
void erts_munmap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord size);
void *erts_mremap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord old_size, UWord *sizep);
int erts_mmap_in_supercarrier(ErtsMemMapper*, void *ptr);
-void erts_mmap_init(ErtsMemMapper*, ErtsMMapInit*);
+void erts_mmap_init(ErtsMemMapper*, ErtsMMapInit*, int executable);
struct erts_mmap_info_struct
{
UWord sizes[6];
@@ -126,10 +131,17 @@ Eterm erts_mmap_debug_info(ErtsMemMapper*, struct process*);
# define ERTS_HAVE_OS_MMAP 1
#endif
+#ifdef ERTS_WANT_MEM_MAPPERS
+# include "erl_alloc_types.h"
+
extern ErtsMemMapper erts_dflt_mmapper;
-#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
+# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
extern ErtsMemMapper erts_literal_mmapper;
-#endif
+# endif
+# ifdef ERTS_ALC_A_EXEC
+extern ErtsMemMapper erts_exec_mmapper;
+# endif
+#endif /* ERTS_WANT_MEM_MAPPERS */
/*#define HARD_DEBUG_MSEG*/
#ifdef HARD_DEBUG_MSEG
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index c8b72c6e77..43e75e2573 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -31,6 +31,7 @@
# include "config.h"
#endif
+#define ERTS_WANT_MEM_MAPPERS
#include "sys.h"
#include "erl_mseg.h"
#include "global.h"
@@ -1402,9 +1403,15 @@ erts_mseg_init(ErtsMsegInit_t *init)
erts_mtx_init(&init_atoms_mutex, "mseg_init_atoms");
- erts_mmap_init(&erts_dflt_mmapper, &init->dflt_mmap);
+#ifdef ERTS_ALC_A_EXEC
+ /* Initialize erts_exec_mapper *FIRST*, to increase probability
+ * of getting low memory for HiPE AMD64's small code model.
+ */
+ erts_mmap_init(&erts_exec_mmapper, &init->exec_mmap, 1);
+#endif
+ erts_mmap_init(&erts_dflt_mmapper, &init->dflt_mmap, 0);
#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION)
- erts_mmap_init(&erts_literal_mmapper, &init->literal_mmap);
+ erts_mmap_init(&erts_literal_mmapper, &init->literal_mmap, 0);
#endif
if (!IS_2POW(GET_PAGE_SIZE))
diff --git a/erts/emulator/sys/common/erl_mseg.h b/erts/emulator/sys/common/erl_mseg.h
index 7615d19f09..192e5767e4 100644
--- a/erts/emulator/sys/common/erl_mseg.h
+++ b/erts/emulator/sys/common/erl_mseg.h
@@ -61,6 +61,7 @@ typedef struct {
Uint nos;
ErtsMMapInit dflt_mmap;
ErtsMMapInit literal_mmap;
+ ErtsMMapInit exec_mmap;
} ErtsMsegInit_t;
#define ERTS_MSEG_INIT_DEFAULT_INITIALIZER \
@@ -70,7 +71,8 @@ typedef struct {
10, /* mcs: Max cache size */ \
1000, /* cci: Cache check interval */ \
ERTS_MMAP_INIT_DEFAULT_INITER, \
- ERTS_MMAP_INIT_LITERAL_INITER \
+ ERTS_MMAP_INIT_LITERAL_INITER, \
+ ERTS_MMAP_INIT_HIPE_EXEC_INITER \
}
typedef struct {
diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c
index 086c5af8c7..82a0303f86 100644
--- a/erts/etc/common/erlexec.c
+++ b/erts/etc/common/erlexec.c
@@ -74,6 +74,7 @@ static const char plusM_au_allocs[]= {
'R', /* driver_alloc */
'S', /* sl_alloc */
'T', /* temp_alloc */
+ 'X', /* exec_alloc */
'Z', /* test_alloc */
'\0'
};
@@ -123,6 +124,7 @@ static char *plusM_other_switches[] = {
"Ytp",
"Ytt",
"Iscs",
+ "Xscs",
NULL
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 07:22:25 +0000