Date: Sat, 30 Nov 2013 08:49:53 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r258764 - in projects/sendfile: . cddl/contrib/opensolaris/cmd/zdb cddl/contrib/opensolaris/cmd/zpool cddl/contrib/opensolaris/cmd/ztest contrib/gcc contrib/gcc/config/rs6000 contrib/gc... Message-ID: <201311300849.rAU8nrAZ057142@svn.freebsd.org>
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Author: glebius Date: Sat Nov 30 08:49:52 2013 New Revision: 258764 URL: http://svnweb.freebsd.org/changeset/base/258764 Log: Merge head up to r258763. Added: projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/range_tree.c - copied unchanged from r258763, head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/range_tree.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/space_reftree.c - copied unchanged from r258763, head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/space_reftree.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/range_tree.h - copied unchanged from r258763, head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/range_tree.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/space_reftree.h - copied unchanged from r258763, head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/space_reftree.h projects/sendfile/sys/net/sff8472.h - copied unchanged from r258763, head/sys/net/sff8472.h projects/sendfile/sys/powerpc/wii/ios_if.m - copied unchanged from r258763, head/sys/powerpc/wii/ios_if.m Modified: projects/sendfile/UPDATING projects/sendfile/cddl/contrib/opensolaris/cmd/zdb/zdb.c projects/sendfile/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 projects/sendfile/cddl/contrib/opensolaris/cmd/ztest/ztest.c projects/sendfile/contrib/gcc/ChangeLog.gcc43 projects/sendfile/contrib/gcc/builtins.c projects/sendfile/contrib/gcc/c-common.c projects/sendfile/contrib/gcc/c-decl.c projects/sendfile/contrib/gcc/c-typeck.c projects/sendfile/contrib/gcc/config/rs6000/rs6000.c projects/sendfile/contrib/gcc/cp/ChangeLog.gcc43 projects/sendfile/contrib/gcc/cp/decl.c projects/sendfile/contrib/gcc/cp/semantics.c projects/sendfile/contrib/gcc/cp/typeck.c projects/sendfile/contrib/gcc/doc/extend.texi projects/sendfile/contrib/gcc/flags.h projects/sendfile/contrib/gcc/print-tree.c projects/sendfile/contrib/gcc/toplev.c projects/sendfile/contrib/gcc/tree.c projects/sendfile/contrib/gcc/tree.h projects/sendfile/contrib/gcc/varasm.c projects/sendfile/contrib/gcclibs/libcpp/charset.c projects/sendfile/contrib/gcclibs/libcpp/errors.c projects/sendfile/contrib/gdb/gdb/amd64fbsd-nat.c projects/sendfile/etc/mtree/BSD.var.dist projects/sendfile/lib/libnetgraph/netgraph.3 projects/sendfile/lib/libstand/libstand.3 projects/sendfile/release/Makefile projects/sendfile/sbin/fdisk/fdisk.c projects/sendfile/sbin/ipfw/ipfw2.c projects/sendfile/sbin/ipfw/ipfw2.h projects/sendfile/sbin/sysctl/sysctl.c projects/sendfile/share/man/man4/Makefile projects/sendfile/share/man/man4/netgraph.4 projects/sendfile/share/man/man4/u3g.4 projects/sendfile/share/misc/committers-src.dot (contents, props changed) projects/sendfile/sys/amd64/include/pcb.h projects/sendfile/sys/amd64/include/segments.h projects/sendfile/sys/amd64/vmm/io/ppt.c projects/sendfile/sys/amd64/vmm/io/vhpet.c projects/sendfile/sys/amd64/vmm/io/vioapic.c projects/sendfile/sys/amd64/vmm/io/vioapic.h projects/sendfile/sys/amd64/vmm/io/vlapic.c projects/sendfile/sys/amd64/vmm/io/vlapic.h projects/sendfile/sys/amd64/vmm/vmm_dev.c projects/sendfile/sys/amd64/vmm/vmm_ktr.h projects/sendfile/sys/amd64/vmm/vmm_lapic.c projects/sendfile/sys/amd64/vmm/vmm_lapic.h projects/sendfile/sys/arm/arm/pmap-v6.c projects/sendfile/sys/boot/fdt/dts/rpi.dts projects/sendfile/sys/boot/i386/efi/reloc.c projects/sendfile/sys/cddl/compat/opensolaris/kern/opensolaris_taskq.c projects/sendfile/sys/cddl/compat/opensolaris/kern/opensolaris_vm.c projects/sendfile/sys/cddl/compat/opensolaris/sys/vm.h projects/sendfile/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.c projects/sendfile/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/Makefile.files projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/space_map.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab_impl.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/space_map.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfeature.h projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_label.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfeature.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c projects/sendfile/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c projects/sendfile/sys/compat/freebsd32/freebsd32.h projects/sendfile/sys/compat/freebsd32/freebsd32_misc.c projects/sendfile/sys/conf/files projects/sendfile/sys/conf/kern.pre.mk projects/sendfile/sys/conf/options projects/sendfile/sys/conf/options.amd64 projects/sendfile/sys/dev/cxgbe/t4_sge.c projects/sendfile/sys/dev/iwn/if_iwn.c projects/sendfile/sys/dev/nand/nandbus.c projects/sendfile/sys/dev/sfxge/common/siena_nic.c projects/sendfile/sys/dev/usb/wlan/if_run.c projects/sendfile/sys/dev/usb/wlan/if_runreg.h projects/sendfile/sys/fs/nfsclient/nfs_kdtrace.h projects/sendfile/sys/geom/geom_disk.c projects/sendfile/sys/geom/geom_dump.c projects/sendfile/sys/geom/geom_int.h projects/sendfile/sys/kern/kern_jail.c projects/sendfile/sys/kern/kern_proc.c projects/sendfile/sys/kern/kern_synch.c projects/sendfile/sys/kern/subr_taskqueue.c projects/sendfile/sys/libkern/iconv.c projects/sendfile/sys/net/netisr.c projects/sendfile/sys/net/vnet.c projects/sendfile/sys/net80211/ieee80211_scan.c projects/sendfile/sys/net80211/ieee80211_scan_sta.c projects/sendfile/sys/netpfil/ipfw/ip_fw2.c projects/sendfile/sys/netpfil/ipfw/ip_fw_sockopt.c projects/sendfile/sys/powerpc/aim/machdep.c projects/sendfile/sys/powerpc/aim/trap.c projects/sendfile/sys/powerpc/booke/trap.c projects/sendfile/sys/powerpc/ofw/rtas.c projects/sendfile/sys/powerpc/powermac/grackle.c projects/sendfile/sys/powerpc/powerpc/cpu.c projects/sendfile/sys/powerpc/pseries/phyp_console.c projects/sendfile/sys/sys/sysctl.h projects/sendfile/sys/sys/taskqueue.h projects/sendfile/sys/sys/user.h projects/sendfile/sys/vm/uma_core.c projects/sendfile/tools/tools/cxgbetool/Makefile projects/sendfile/tools/tools/cxgbetool/cxgbetool.c projects/sendfile/tools/tools/nanobsd/nanobsd.sh projects/sendfile/tools/tools/zfsboottest/Makefile projects/sendfile/usr.sbin/bhyve/acpi.c projects/sendfile/usr.sbin/bhyve/mptbl.c projects/sendfile/usr.sbin/bhyve/uart_emul.c projects/sendfile/usr.sbin/bhyveload/bhyveload.8 projects/sendfile/usr.sbin/bhyveload/bhyveload.c projects/sendfile/usr.sbin/bsdconfig/includes/includes projects/sendfile/usr.sbin/makefs/ffs.c Directory Properties: projects/sendfile/ (props changed) projects/sendfile/cddl/ (props changed) projects/sendfile/cddl/contrib/opensolaris/ (props changed) projects/sendfile/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/print/ (props changed) projects/sendfile/cddl/contrib/opensolaris/cmd/zfs/ (props changed) projects/sendfile/cddl/contrib/opensolaris/lib/libzfs/ (props changed) projects/sendfile/contrib/gcc/ (props changed) projects/sendfile/contrib/gdb/ (props changed) projects/sendfile/sbin/ (props changed) projects/sendfile/sbin/ipfw/ (props changed) projects/sendfile/share/man/man4/ (props changed) projects/sendfile/sys/ (props changed) projects/sendfile/sys/amd64/vmm/ (props changed) projects/sendfile/sys/boot/ (props changed) projects/sendfile/sys/boot/i386/efi/ (props changed) projects/sendfile/sys/cddl/contrib/opensolaris/ (props changed) projects/sendfile/sys/conf/ (props changed) projects/sendfile/usr.sbin/bhyve/ (props changed) projects/sendfile/usr.sbin/bhyveload/ (props changed) Modified: projects/sendfile/UPDATING ============================================================================== --- projects/sendfile/UPDATING Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/UPDATING Sat Nov 30 08:49:52 2013 (r258764) @@ -76,7 +76,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11 BIND has been removed from the base system. If all you need is a local resolver, simply enable and start the local_unbound service instead. Otherwise, several versions of BIND are - available in the ports tree. + available in the ports tree. The dns/bind99 port is one example. + + With this change, nslookup(1) and dig(1) are no longer in the base + system. Users should instead use host(1) and drill(1) which are + in the base system. Alternatively, nslookup and dig can + be obtained by installing the dns/bind-tools port. 20130916: With the addition of unbound(8), a new unbound user is now Modified: projects/sendfile/cddl/contrib/opensolaris/cmd/zdb/zdb.c ============================================================================== --- projects/sendfile/cddl/contrib/opensolaris/cmd/zdb/zdb.c Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/cddl/contrib/opensolaris/cmd/zdb/zdb.c Sat Nov 30 08:49:52 2013 (r258764) @@ -242,7 +242,7 @@ const char histo_stars[] = "************ const int histo_width = sizeof (histo_stars) - 1; static void -dump_histogram(const uint64_t *histo, int size) +dump_histogram(const uint64_t *histo, int size, int offset) { int i; int minidx = size - 1; @@ -263,7 +263,7 @@ dump_histogram(const uint64_t *histo, in for (i = minidx; i <= maxidx; i++) { (void) printf("\t\t\t%3u: %6llu %s\n", - i, (u_longlong_t)histo[i], + i + offset, (u_longlong_t)histo[i], &histo_stars[(max - histo[i]) * histo_width / max]); } } @@ -316,19 +316,19 @@ dump_zap_stats(objset_t *os, uint64_t ob (u_longlong_t)zs.zs_salt); (void) printf("\t\tLeafs with 2^n pointers:\n"); - dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE); + dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0); (void) printf("\t\tBlocks with n*5 entries:\n"); - dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE); + dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0); (void) printf("\t\tBlocks n/10 full:\n"); - dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE); + dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0); (void) printf("\t\tEntries with n chunks:\n"); - dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE); + dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0); (void) printf("\t\tBuckets with n entries:\n"); - dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE); + dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0); } /*ARGSUSED*/ @@ -517,26 +517,85 @@ dump_zpldir(objset_t *os, uint64_t objec zap_cursor_fini(&zc); } +int +get_dtl_refcount(vdev_t *vd) +{ + int refcount = 0; + + if (vd->vdev_ops->vdev_op_leaf) { + space_map_t *sm = vd->vdev_dtl_sm; + + if (sm != NULL && + sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) + return (1); + return (0); + } + + for (int c = 0; c < vd->vdev_children; c++) + refcount += get_dtl_refcount(vd->vdev_child[c]); + return (refcount); +} + +int +get_metaslab_refcount(vdev_t *vd) +{ + int refcount = 0; + + if (vd->vdev_top == vd) { + for (int m = 0; m < vd->vdev_ms_count; m++) { + space_map_t *sm = vd->vdev_ms[m]->ms_sm; + + if (sm != NULL && + sm->sm_dbuf->db_size == sizeof (space_map_phys_t)) + refcount++; + } + } + for (int c = 0; c < vd->vdev_children; c++) + refcount += get_metaslab_refcount(vd->vdev_child[c]); + + return (refcount); +} + +static int +verify_spacemap_refcounts(spa_t *spa) +{ + int expected_refcount, actual_refcount; + + expected_refcount = spa_feature_get_refcount(spa, + &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM]); + actual_refcount = get_dtl_refcount(spa->spa_root_vdev); + actual_refcount += get_metaslab_refcount(spa->spa_root_vdev); + + if (expected_refcount != actual_refcount) { + (void) printf("space map refcount mismatch: expected %d != " + "actual %d\n", expected_refcount, actual_refcount); + return (2); + } + return (0); +} + static void -dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) +dump_spacemap(objset_t *os, space_map_t *sm) { uint64_t alloc, offset, entry; - uint8_t mapshift = sm->sm_shift; - uint64_t mapstart = sm->sm_start; char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", "INVALID", "INVALID", "INVALID", "INVALID" }; - if (smo->smo_object == 0) + if (sm == NULL) return; /* * Print out the freelist entries in both encoded and decoded form. */ alloc = 0; - for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { - VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, + for (offset = 0; offset < space_map_length(sm); + offset += sizeof (entry)) { + uint8_t mapshift = sm->sm_shift; + + VERIFY0(dmu_read(os, space_map_object(sm), offset, sizeof (entry), &entry, DMU_READ_PREFETCH)); if (SM_DEBUG_DECODE(entry)) { + (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", (u_longlong_t)(offset / sizeof (entry)), ddata[SM_DEBUG_ACTION_DECODE(entry)], @@ -548,10 +607,10 @@ dump_spacemap(objset_t *os, space_map_ob (u_longlong_t)(offset / sizeof (entry)), SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', (u_longlong_t)((SM_OFFSET_DECODE(entry) << - mapshift) + mapstart), + mapshift) + sm->sm_start), (u_longlong_t)((SM_OFFSET_DECODE(entry) << - mapshift) + mapstart + (SM_RUN_DECODE(entry) << - mapshift)), + mapshift) + sm->sm_start + + (SM_RUN_DECODE(entry) << mapshift)), (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); if (SM_TYPE_DECODE(entry) == SM_ALLOC) alloc += SM_RUN_DECODE(entry) << mapshift; @@ -559,10 +618,10 @@ dump_spacemap(objset_t *os, space_map_ob alloc -= SM_RUN_DECODE(entry) << mapshift; } } - if (alloc != smo->smo_alloc) { + if (alloc != space_map_allocated(sm)) { (void) printf("space_map_object alloc (%llu) INCONSISTENT " "with space map summary (%llu)\n", - (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); + (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc); } } @@ -570,15 +629,17 @@ static void dump_metaslab_stats(metaslab_t *msp) { char maxbuf[32]; - space_map_t *sm = msp->ms_map; - avl_tree_t *t = sm->sm_pp_root; - int free_pct = sm->sm_space * 100 / sm->sm_size; + range_tree_t *rt = msp->ms_tree; + avl_tree_t *t = &msp->ms_size_tree; + int free_pct = range_tree_space(rt) * 100 / msp->ms_size; - zdb_nicenum(space_map_maxsize(sm), maxbuf); + zdb_nicenum(metaslab_block_maxsize(msp), maxbuf); (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", "segments", avl_numnodes(t), "maxsize", maxbuf, "freepct", free_pct); + (void) printf("\tIn-memory histogram:\n"); + dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0); } static void @@ -586,33 +647,45 @@ dump_metaslab(metaslab_t *msp) { vdev_t *vd = msp->ms_group->mg_vd; spa_t *spa = vd->vdev_spa; - space_map_t *sm = msp->ms_map; - space_map_obj_t *smo = &msp->ms_smo; + space_map_t *sm = msp->ms_sm; char freebuf[32]; - zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); + zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf); (void) printf( "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", - (u_longlong_t)(sm->sm_start / sm->sm_size), - (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); + (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start, + (u_longlong_t)space_map_object(sm), freebuf); - if (dump_opt['m'] > 1 && !dump_opt['L']) { + if (dump_opt['m'] > 2 && !dump_opt['L']) { mutex_enter(&msp->ms_lock); - space_map_load_wait(sm); - if (!sm->sm_loaded) - VERIFY(space_map_load(sm, zfs_metaslab_ops, - SM_FREE, smo, spa->spa_meta_objset) == 0); + metaslab_load_wait(msp); + if (!msp->ms_loaded) { + VERIFY0(metaslab_load(msp)); + range_tree_stat_verify(msp->ms_tree); + } dump_metaslab_stats(msp); - space_map_unload(sm); + metaslab_unload(msp); mutex_exit(&msp->ms_lock); } - if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { - ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); + if (dump_opt['m'] > 1 && sm != NULL && + spa_feature_is_active(spa, + &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM])) { + /* + * The space map histogram represents free space in chunks + * of sm_shift (i.e. bucket 0 refers to 2^sm_shift). + */ + (void) printf("\tOn-disk histogram:\n"); + dump_histogram(sm->sm_phys->smp_histogram, + SPACE_MAP_HISTOGRAM_SIZE(sm), sm->sm_shift); + } + + if (dump_opt['d'] > 5 || dump_opt['m'] > 3) { + ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift)); mutex_enter(&msp->ms_lock); - dump_spacemap(spa->spa_meta_objset, smo, sm); + dump_spacemap(spa->spa_meta_objset, msp->ms_sm); mutex_exit(&msp->ms_lock); } } @@ -801,9 +874,9 @@ dump_all_ddts(spa_t *spa) } static void -dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) +dump_dtl_seg(void *arg, uint64_t start, uint64_t size) { - char *prefix = (void *)sm; + char *prefix = arg; (void) printf("%s [%llu,%llu) length %llu\n", prefix, @@ -833,17 +906,16 @@ dump_dtl(vdev_t *vd, int indent) required ? "DTL-required" : "DTL-expendable"); for (int t = 0; t < DTL_TYPES; t++) { - space_map_t *sm = &vd->vdev_dtl[t]; - if (sm->sm_space == 0) + range_tree_t *rt = vd->vdev_dtl[t]; + if (range_tree_space(rt) == 0) continue; (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", indent + 2, "", name[t]); - mutex_enter(sm->sm_lock); - space_map_walk(sm, dump_dtl_seg, (void *)prefix); - mutex_exit(sm->sm_lock); + mutex_enter(rt->rt_lock); + range_tree_walk(rt, dump_dtl_seg, prefix); + mutex_exit(rt->rt_lock); if (dump_opt['d'] > 5 && vd->vdev_children == 0) - dump_spacemap(spa->spa_meta_objset, - &vd->vdev_dtl_smo, sm); + dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm); } for (int c = 0; c < vd->vdev_children; c++) @@ -2172,39 +2244,17 @@ zdb_blkptr_cb(spa_t *spa, zilog_t *zilog } static void -zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) +zdb_leak(void *arg, uint64_t start, uint64_t size) { - vdev_t *vd = sm->sm_ppd; + vdev_t *vd = arg; (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); } -/* ARGSUSED */ -static void -zdb_space_map_load(space_map_t *sm) -{ -} - -static void -zdb_space_map_unload(space_map_t *sm) -{ - space_map_vacate(sm, zdb_leak, sm); -} - -/* ARGSUSED */ -static void -zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) -{ -} - -static space_map_ops_t zdb_space_map_ops = { - zdb_space_map_load, - zdb_space_map_unload, +static metaslab_ops_t zdb_metaslab_ops = { NULL, /* alloc */ - zdb_space_map_claim, - NULL, /* free */ - NULL /* maxsize */ + NULL /* fragmented */ }; static void @@ -2259,11 +2309,21 @@ zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) for (int m = 0; m < vd->vdev_ms_count; m++) { metaslab_t *msp = vd->vdev_ms[m]; mutex_enter(&msp->ms_lock); - space_map_unload(msp->ms_map); - VERIFY(space_map_load(msp->ms_map, - &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, - spa->spa_meta_objset) == 0); - msp->ms_map->sm_ppd = vd; + metaslab_unload(msp); + + /* + * For leak detection, we overload the metaslab + * ms_tree to contain allocated segments + * instead of free segments. As a result, + * we can't use the normal metaslab_load/unload + * interfaces. + */ + if (msp->ms_sm != NULL) { + msp->ms_ops = &zdb_metaslab_ops; + VERIFY0(space_map_load(msp->ms_sm, + msp->ms_tree, SM_ALLOC)); + msp->ms_loaded = B_TRUE; + } mutex_exit(&msp->ms_lock); } } @@ -2286,7 +2346,20 @@ zdb_leak_fini(spa_t *spa) for (int m = 0; m < vd->vdev_ms_count; m++) { metaslab_t *msp = vd->vdev_ms[m]; mutex_enter(&msp->ms_lock); - space_map_unload(msp->ms_map); + + /* + * The ms_tree has been overloaded to + * contain allocated segments. Now that we + * finished traversing all blocks, any + * block that remains in the ms_tree + * represents an allocated block that we + * did not claim during the traversal. + * Claimed blocks would have been removed + * from the ms_tree. + */ + range_tree_vacate(msp->ms_tree, zdb_leak, vd); + msp->ms_loaded = B_FALSE; + mutex_exit(&msp->ms_lock); } } @@ -2489,7 +2562,7 @@ dump_block_stats(spa_t *spa) "(in 512-byte sectors): " "number of blocks\n"); dump_histogram(zb->zb_psize_histogram, - PSIZE_HISTO_SIZE); + PSIZE_HISTO_SIZE, 0); } } } @@ -2659,6 +2732,9 @@ dump_zpool(spa_t *spa) if (dump_opt['b'] || dump_opt['c']) rc = dump_block_stats(spa); + if (rc == 0) + rc = verify_spacemap_refcounts(spa); + if (dump_opt['s']) show_pool_stats(spa); Modified: projects/sendfile/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 ============================================================================== --- projects/sendfile/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 Sat Nov 30 08:49:52 2013 (r258764) @@ -23,7 +23,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 20, 2013 +.Dd October 08, 2013 .Dt ZPOOL-FEATURES 7 .Os .Sh NAME @@ -251,6 +251,24 @@ configuration. .\" .Xr dumpon 8 .\" command to configure a .\" dump device on a pool comprised of multiple vdevs. +.It Sy spacemap_histogram +.Bl -column "READ\-ONLY COMPATIBLE" "com.delphix:spacemap_histogram" +.It GUID Ta com.delphix:spacemap_histogram +.It READ\-ONLY COMPATIBLE Ta yes +.It DEPENDENCIES Ta none +.El +.Pp +This features allows ZFS to maintain more information about how free space +is organized within the pool. If this feature is +.Sy enabled , +ZFS will +set this feature to +.Sy active +when a new space map object is created or +an existing space map is upgraded to the new format. +Once the feature is +.Sy active , +it will remain in that state until the pool is destroyed. .El .Sh SEE ALSO .Xr zpool 8 Modified: projects/sendfile/cddl/contrib/opensolaris/cmd/ztest/ztest.c ============================================================================== --- projects/sendfile/cddl/contrib/opensolaris/cmd/ztest/ztest.c Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/cddl/contrib/opensolaris/cmd/ztest/ztest.c Sat Nov 30 08:49:52 2013 (r258764) @@ -5339,7 +5339,7 @@ ztest_deadman_thread(void *arg) * vdev_deadman() discovers that there hasn't been any recent * I/Os then it will end up aborting the tests. */ - if (spa_suspended(spa)) { + if (spa_suspended(spa) || spa->spa_root_vdev == NULL) { fatal(0, "aborting test after %llu seconds because " "pool has transitioned to a suspended state.", zfs_deadman_synctime_ms / 1000); Modified: projects/sendfile/contrib/gcc/ChangeLog.gcc43 ============================================================================== --- projects/sendfile/contrib/gcc/ChangeLog.gcc43 Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/contrib/gcc/ChangeLog.gcc43 Sat Nov 30 08:49:52 2013 (r258764) @@ -4,6 +4,47 @@ * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New. * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New. +2007-07-12 Geoffrey Keating <geoffk@apple.com> (r126588) + + * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a + FUNCTION_DECL. + * tree.c (build_decl_stat): Move code from here... + (make_node_stat): ... to here. Don't uselessly clear DECL_USER_ALIGN. + (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL. Add comment + about using DECL_ALIGN of LABEL_DECL and CONST_DECL. + * tree.h (DECL_USER_ALIGN): Fix misplaced comment. + * varasm.c (assemble_start_function): Use DECL_ALIGN instead of + FUNCTION_BOUNDARY. + +2007-07-09 Geoffrey Keating <geoffk@apple.com> (r126529) + + PR 32617 + * c-common.c (c_alignof_expr): Look at DECL_ALIGN of + FUNCTION_DECLs. + (handle_aligned_attribute): Allow use on FUNCTION_DECLs. + * varasm.c (assemble_start_function): Honor DECL_ALIGN + for FUNCTION_DECLs. Don't use align_functions_log if + DECL_USER_ALIGN. + * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN + even for FUNCTION_DECLs. + * c-decl.c (merge_decls): Propagate DECL_ALIGN even for + FUNCTION_DECLs. + * tree.h (DECL_ALIGN): Update for new location of 'align'. + (DECL_FUNCTION_CODE): Update for new location and name of + 'function_code'. + (DECL_OFFSET_ALIGN): Update for new location of 'off_align'. + (struct tree_decl_common): Move 'align' and 'off_align' out + of union, ensure they're still on a 32-bit boundary. Remove + other fields in union 'u1'. + (struct tree_function_decl): Add field 'function_code' replacing + 'u1.f' in tree_decl_common. + * tree.c (build_decl_stat): Set initial value of DECL_ALIGN. + * doc/extend.texi (Function Attributes): Add 'aligned' attribute. + (Variable Attributes): Cross-reference 'aligned' attribute + to Function Attributes. + * flags.h (force_align_functions_log): Delete. + * toplev.c (force_align_functions_log): Delete. + 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de> (r125346) PR preprocessor/23479 @@ -31,6 +72,12 @@ regs_invalidated_by_call, rather than just checking the membership of REGNO (REG). +2007-05-16 Eric Christopher <echristo@apple.com> (r124763) + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register + saving after stack push. Set sp_offset whenever we push. + (rs6000_emit_epilogue): Move altivec register restore before stack push. + 2007-05-03 Ian Lance Taylor <iant@google.com> (r124381) * config/rs6000/rs6000.c (rs6000_override_options): Don't set @@ -54,7 +101,7 @@ alignment for amdfam10 architecture. Increasing the max loop alignment to 24 bytes. -2007-04-16 Lawrence Crowl <crowl@google.com> +2007-04-16 Lawrence Crowl <crowl@google.com> (r123909) * doc/invoke.texi (Debugging Options): Add documentation for the -femit-struct-debug options -femit-struct-debug-baseonly, @@ -133,7 +180,7 @@ * config/i386/i386.c (override_options): Likewise. * doc/invoke.texi: Likewise. -2007-03-12 Seongbae Park <seongbae.park@gmail.com> +2007-03-12 Seongbae Park <seongbae.park@gmail.com> (r122851) * c-decl.c (warn_variable_length_array): New function. Refactored from grokdeclarator to handle warn_vla @@ -334,6 +381,16 @@ * config.gcc: Support core2 processor. +2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org> (r120505) + + PR c/19978 + * tree.h (TREE_OVERFLOW_P): New. + * c-typeck.c (parser_build_unary_op): Warn only if result + overflowed and operands did not. + (parser_build_binary_op): Likewise. + (convert_for_assignment): Remove redundant overflow_warning. + * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW. + 2006-12-13 Ian Lance Taylor <iant@google.com> (r119855) PR c++/19564 Modified: projects/sendfile/contrib/gcc/builtins.c ============================================================================== --- projects/sendfile/contrib/gcc/builtins.c Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/contrib/gcc/builtins.c Sat Nov 30 08:49:52 2013 (r258764) @@ -315,9 +315,7 @@ get_pointer_alignment (tree exp, unsigne else if (offset) inner = MIN (inner, BITS_PER_UNIT); } - if (TREE_CODE (exp) == FUNCTION_DECL) - align = FUNCTION_BOUNDARY; - else if (DECL_P (exp)) + if (DECL_P (exp)) align = MIN (inner, DECL_ALIGN (exp)); #ifdef CONSTANT_ALIGNMENT else if (CONSTANT_CLASS_P (exp)) Modified: projects/sendfile/contrib/gcc/c-common.c ============================================================================== --- projects/sendfile/contrib/gcc/c-common.c Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/contrib/gcc/c-common.c Sat Nov 30 08:49:52 2013 (r258764) @@ -916,39 +916,45 @@ constant_expression_warning (tree value) pedwarn ("overflow in constant expression"); } -/* Print a warning if an expression had overflow in folding. +/* Print a warning if an expression had overflow in folding and its + operands hadn't. + Invoke this function on every expression that (1) appears in the source code, and - (2) might be a constant expression that overflowed, and + (2) is a constant expression that overflowed, and (3) is not already checked by convert_and_check; - however, do not invoke this function on operands of explicit casts. */ + however, do not invoke this function on operands of explicit casts + or when the expression is the result of an operator and any operand + already overflowed. */ void overflow_warning (tree value) { - if ((TREE_CODE (value) == INTEGER_CST - || (TREE_CODE (value) == COMPLEX_CST - && TREE_CODE (TREE_REALPART (value)) == INTEGER_CST)) - && TREE_OVERFLOW (value)) - { - TREE_OVERFLOW (value) = 0; - if (skip_evaluation == 0) - warning (OPT_Woverflow, "integer overflow in expression"); - } - else if ((TREE_CODE (value) == REAL_CST - || (TREE_CODE (value) == COMPLEX_CST - && TREE_CODE (TREE_REALPART (value)) == REAL_CST)) - && TREE_OVERFLOW (value)) - { - TREE_OVERFLOW (value) = 0; - if (skip_evaluation == 0) - warning (OPT_Woverflow, "floating point overflow in expression"); - } - else if (TREE_CODE (value) == VECTOR_CST && TREE_OVERFLOW (value)) - { - TREE_OVERFLOW (value) = 0; - if (skip_evaluation == 0) - warning (OPT_Woverflow, "vector overflow in expression"); + if (skip_evaluation) return; + + switch (TREE_CODE (value)) + { + case INTEGER_CST: + warning (OPT_Woverflow, "integer overflow in expression"); + break; + + case REAL_CST: + warning (OPT_Woverflow, "floating point overflow in expression"); + break; + + case VECTOR_CST: + warning (OPT_Woverflow, "vector overflow in expression"); + break; + + case COMPLEX_CST: + if (TREE_CODE (TREE_REALPART (value)) == INTEGER_CST) + warning (OPT_Woverflow, "complex integer overflow in expression"); + else if (TREE_CODE (TREE_REALPART (value)) == REAL_CST) + warning (OPT_Woverflow, "complex floating point overflow in expression"); + break; + + default: + break; } } @@ -2989,16 +2995,16 @@ c_sizeof_or_alignof_type (tree type, boo } /* Implement the __alignof keyword: Return the minimum required - alignment of EXPR, measured in bytes. For VAR_DECL's and - FIELD_DECL's return DECL_ALIGN (which can be set from an - "aligned" __attribute__ specification). */ + alignment of EXPR, measured in bytes. For VAR_DECLs, + FUNCTION_DECLs and FIELD_DECLs return DECL_ALIGN (which can be set + from an "aligned" __attribute__ specification). */ tree c_alignof_expr (tree expr) { tree t; - if (TREE_CODE (expr) == VAR_DECL) + if (VAR_OR_FUNCTION_DECL_P (expr)) t = size_int (DECL_ALIGN_UNIT (expr)); else if (TREE_CODE (expr) == COMPONENT_REF @@ -4803,12 +4809,24 @@ handle_aligned_attribute (tree *node, tr TYPE_ALIGN (*type) = (1 << i) * BITS_PER_UNIT; TYPE_USER_ALIGN (*type) = 1; } - else if (TREE_CODE (decl) != VAR_DECL + else if (! VAR_OR_FUNCTION_DECL_P (decl) && TREE_CODE (decl) != FIELD_DECL) { error ("alignment may not be specified for %q+D", decl); *no_add_attrs = true; } + else if (TREE_CODE (decl) == FUNCTION_DECL + && DECL_ALIGN (decl) > (1 << i) * BITS_PER_UNIT) + { + if (DECL_USER_ALIGN (decl)) + error ("alignment for %q+D was previously specified as %d " + "and may not be decreased", decl, + DECL_ALIGN (decl) / BITS_PER_UNIT); + else + error ("alignment for %q+D must be at least %d", decl, + DECL_ALIGN (decl) / BITS_PER_UNIT); + *no_add_attrs = true; + } else { DECL_ALIGN (decl) = (1 << i) * BITS_PER_UNIT; Modified: projects/sendfile/contrib/gcc/c-decl.c ============================================================================== --- projects/sendfile/contrib/gcc/c-decl.c Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/contrib/gcc/c-decl.c Sat Nov 30 08:49:52 2013 (r258764) @@ -1690,12 +1690,11 @@ merge_decls (tree newdecl, tree olddecl, DECL_SIZE (newdecl) = DECL_SIZE (olddecl); DECL_SIZE_UNIT (newdecl) = DECL_SIZE_UNIT (olddecl); DECL_MODE (newdecl) = DECL_MODE (olddecl); - if (TREE_CODE (olddecl) != FUNCTION_DECL) - if (DECL_ALIGN (olddecl) > DECL_ALIGN (newdecl)) - { - DECL_ALIGN (newdecl) = DECL_ALIGN (olddecl); - DECL_USER_ALIGN (newdecl) |= DECL_ALIGN (olddecl); - } + if (DECL_ALIGN (olddecl) > DECL_ALIGN (newdecl)) + { + DECL_ALIGN (newdecl) = DECL_ALIGN (olddecl); + DECL_USER_ALIGN (newdecl) |= DECL_ALIGN (olddecl); + } } Modified: projects/sendfile/contrib/gcc/c-typeck.c ============================================================================== --- projects/sendfile/contrib/gcc/c-typeck.c Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/contrib/gcc/c-typeck.c Sat Nov 30 08:49:52 2013 (r258764) @@ -2616,7 +2616,10 @@ parser_build_unary_op (enum tree_code co result.original_code = ERROR_MARK; result.value = build_unary_op (code, arg.value, 0); - overflow_warning (result.value); + + if (TREE_OVERFLOW_P (result.value) && !TREE_OVERFLOW_P (arg.value)) + overflow_warning (result.value); + return result; } @@ -2660,7 +2663,10 @@ parser_build_binary_op (enum tree_code c warning (OPT_Waddress, "comparison with string literal results in unspecified behaviour"); - overflow_warning (result.value); + if (TREE_OVERFLOW_P (result.value) + && !TREE_OVERFLOW_P (arg1.value) + && !TREE_OVERFLOW_P (arg2.value)) + overflow_warning (result.value); return result; } @@ -3847,10 +3853,7 @@ convert_for_assignment (tree type, tree } if (TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (rhstype)) - { - overflow_warning (rhs); - return rhs; - } + return rhs; if (coder == VOID_TYPE) { Modified: projects/sendfile/contrib/gcc/config/rs6000/rs6000.c ============================================================================== --- projects/sendfile/contrib/gcc/config/rs6000/rs6000.c Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/contrib/gcc/config/rs6000/rs6000.c Sat Nov 30 08:49:52 2013 (r258764) @@ -14466,77 +14466,6 @@ rs6000_emit_prologue (void) sp_offset = info->total_size; } - /* Save AltiVec registers if needed. */ - if (!WORLD_SAVE_P (info) && TARGET_ALTIVEC_ABI && info->altivec_size != 0) - { - int i; - - /* There should be a non inline version of this, for when we - are saving lots of vector registers. */ - for (i = info->first_altivec_reg_save; i <= LAST_ALTIVEC_REGNO; ++i) - if (info->vrsave_mask & ALTIVEC_REG_BIT (i)) - { - rtx areg, savereg, mem; - int offset; - - offset = info->altivec_save_offset + sp_offset - + 16 * (i - info->first_altivec_reg_save); - - savereg = gen_rtx_REG (V4SImode, i); - - areg = gen_rtx_REG (Pmode, 0); - emit_move_insn (areg, GEN_INT (offset)); - - /* AltiVec addressing mode is [reg+reg]. */ - mem = gen_frame_mem (V4SImode, - gen_rtx_PLUS (Pmode, frame_reg_rtx, areg)); - - insn = emit_move_insn (mem, savereg); - - rs6000_frame_related (insn, frame_ptr_rtx, info->total_size, - areg, GEN_INT (offset)); - } - } - - /* VRSAVE is a bit vector representing which AltiVec registers - are used. The OS uses this to determine which vector - registers to save on a context switch. We need to save - VRSAVE on the stack frame, add whatever AltiVec registers we - used in this function, and do the corresponding magic in the - epilogue. */ - - if (TARGET_ALTIVEC && TARGET_ALTIVEC_VRSAVE - && info->vrsave_mask != 0) - { - rtx reg, mem, vrsave; - int offset; - - /* Get VRSAVE onto a GPR. Note that ABI_V4 might be using r12 - as frame_reg_rtx and r11 as the static chain pointer for - nested functions. */ - reg = gen_rtx_REG (SImode, 0); - vrsave = gen_rtx_REG (SImode, VRSAVE_REGNO); - if (TARGET_MACHO) - emit_insn (gen_get_vrsave_internal (reg)); - else - emit_insn (gen_rtx_SET (VOIDmode, reg, vrsave)); - - if (!WORLD_SAVE_P (info)) - { - /* Save VRSAVE. */ - offset = info->vrsave_save_offset + sp_offset; - mem = gen_frame_mem (SImode, - gen_rtx_PLUS (Pmode, frame_reg_rtx, - GEN_INT (offset))); - insn = emit_move_insn (mem, reg); - } - - /* Include the registers in the mask. */ - emit_insn (gen_iorsi3 (reg, reg, GEN_INT ((int) info->vrsave_mask))); - - insn = emit_insn (generate_set_vrsave (reg, info, 0)); - } - /* If we use the link register, get it into r0. */ if (!WORLD_SAVE_P (info) && info->lr_save_p) { @@ -14774,7 +14703,10 @@ rs6000_emit_prologue (void) for which it was done previously. */ if (!WORLD_SAVE_P (info) && info->push_p && !(DEFAULT_ABI == ABI_V4 || current_function_calls_eh_return)) - rs6000_emit_allocate_stack (info->total_size, FALSE); + { + rs6000_emit_allocate_stack (info->total_size, FALSE); + sp_offset = info->total_size; + } /* Set frame pointer, if needed. */ if (frame_pointer_needed) @@ -14784,6 +14716,78 @@ rs6000_emit_prologue (void) RTX_FRAME_RELATED_P (insn) = 1; } + /* Save AltiVec registers if needed. Save here because the red zone does + not include AltiVec registers. */ + if (!WORLD_SAVE_P (info) && TARGET_ALTIVEC_ABI && info->altivec_size != 0) + { + int i; + + /* There should be a non inline version of this, for when we + are saving lots of vector registers. */ + for (i = info->first_altivec_reg_save; i <= LAST_ALTIVEC_REGNO; ++i) + if (info->vrsave_mask & ALTIVEC_REG_BIT (i)) + { + rtx areg, savereg, mem; + int offset; + + offset = info->altivec_save_offset + sp_offset + + 16 * (i - info->first_altivec_reg_save); + + savereg = gen_rtx_REG (V4SImode, i); + + areg = gen_rtx_REG (Pmode, 0); + emit_move_insn (areg, GEN_INT (offset)); + + /* AltiVec addressing mode is [reg+reg]. */ + mem = gen_frame_mem (V4SImode, + gen_rtx_PLUS (Pmode, frame_reg_rtx, areg)); + + insn = emit_move_insn (mem, savereg); + + rs6000_frame_related (insn, frame_ptr_rtx, info->total_size, + areg, GEN_INT (offset)); + } + } + + /* VRSAVE is a bit vector representing which AltiVec registers + are used. The OS uses this to determine which vector + registers to save on a context switch. We need to save + VRSAVE on the stack frame, add whatever AltiVec registers we + used in this function, and do the corresponding magic in the + epilogue. */ + + if (TARGET_ALTIVEC && TARGET_ALTIVEC_VRSAVE + && info->vrsave_mask != 0) + { + rtx reg, mem, vrsave; + int offset; + + /* Get VRSAVE onto a GPR. Note that ABI_V4 might be using r12 + as frame_reg_rtx and r11 as the static chain pointer for + nested functions. */ + reg = gen_rtx_REG (SImode, 0); + vrsave = gen_rtx_REG (SImode, VRSAVE_REGNO); + if (TARGET_MACHO) + emit_insn (gen_get_vrsave_internal (reg)); + else + emit_insn (gen_rtx_SET (VOIDmode, reg, vrsave)); + + if (!WORLD_SAVE_P (info)) + { + /* Save VRSAVE. */ + offset = info->vrsave_save_offset + sp_offset; + mem = gen_frame_mem (SImode, + gen_rtx_PLUS (Pmode, frame_reg_rtx, + GEN_INT (offset))); + insn = emit_move_insn (mem, reg); + } + + /* Include the registers in the mask. */ + emit_insn (gen_iorsi3 (reg, reg, GEN_INT ((int) info->vrsave_mask))); + + insn = emit_insn (generate_set_vrsave (reg, info, 0)); + } + /* If we are using RS6000_PIC_OFFSET_TABLE_REGNUM, we need to set it up. */ if ((TARGET_TOC && TARGET_MINIMAL_TOC && get_pool_size () != 0) || (DEFAULT_ABI == ABI_V4 @@ -15041,33 +15045,10 @@ rs6000_emit_epilogue (int sibcall) return; } - /* If we have a frame pointer, a call to alloca, or a large stack - frame, restore the old stack pointer using the backchain. Otherwise, - we know what size to update it with. */ - if (use_backchain_to_restore_sp) - { - /* Under V.4, don't reset the stack pointer until after we're done - loading the saved registers. */ - if (DEFAULT_ABI == ABI_V4) - frame_reg_rtx = gen_rtx_REG (Pmode, 11); - - emit_move_insn (frame_reg_rtx, - gen_rtx_MEM (Pmode, sp_reg_rtx)); - } - else if (info->push_p) - { - if (DEFAULT_ABI == ABI_V4 - || current_function_calls_eh_return) - sp_offset = info->total_size; - else - { - emit_insn (TARGET_32BIT - ? gen_addsi3 (sp_reg_rtx, sp_reg_rtx, - GEN_INT (info->total_size)) - : gen_adddi3 (sp_reg_rtx, sp_reg_rtx, - GEN_INT (info->total_size))); - } - } + /* Set sp_offset based on the stack push from the prologue. */ + if ((DEFAULT_ABI == ABI_V4 || current_function_calls_eh_return) + && info->total_size < 32767) + sp_offset = info->total_size; /* Restore AltiVec registers if needed. */ if (TARGET_ALTIVEC_ABI && info->altivec_size != 0) @@ -15108,6 +15089,36 @@ rs6000_emit_epilogue (int sibcall) emit_insn (generate_set_vrsave (reg, info, 1)); } + sp_offset = 0; + + /* If we have a frame pointer, a call to alloca, or a large stack + frame, restore the old stack pointer using the backchain. Otherwise, + we know what size to update it with. */ + if (use_backchain_to_restore_sp) + { + /* Under V.4, don't reset the stack pointer until after we're done + loading the saved registers. */ + if (DEFAULT_ABI == ABI_V4) + frame_reg_rtx = gen_rtx_REG (Pmode, 11); + + emit_move_insn (frame_reg_rtx, + gen_rtx_MEM (Pmode, sp_reg_rtx)); + } + else if (info->push_p) + { + if (DEFAULT_ABI == ABI_V4 + || current_function_calls_eh_return) + sp_offset = info->total_size; + else + { + emit_insn (TARGET_32BIT + ? gen_addsi3 (sp_reg_rtx, sp_reg_rtx, + GEN_INT (info->total_size)) + : gen_adddi3 (sp_reg_rtx, sp_reg_rtx, + GEN_INT (info->total_size))); + } + } + /* Get the old lr if we saved it. */ if (info->lr_save_p) { Modified: projects/sendfile/contrib/gcc/cp/ChangeLog.gcc43 ============================================================================== --- projects/sendfile/contrib/gcc/cp/ChangeLog.gcc43 Sat Nov 30 07:04:35 2013 (r258763) +++ projects/sendfile/contrib/gcc/cp/ChangeLog.gcc43 Sat Nov 30 08:49:52 2013 (r258764) @@ -1,3 +1,12 @@ +2007-07-09 Geoffrey Keating <geoffk@apple.com> + + PR 32617 + * decl.c (cxx_init_decl_processing): Don't set *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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