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-rw-r--r--lib/libc/gen/fdopendir.c10
-rw-r--r--lib/libc/powerpc64/gen/_ctx_start.S14
-rw-r--r--lib/libc/powerpc64/gen/makecontext.c3
-rw-r--r--lib/libc/stdio/fdopen.c18
-rw-r--r--lib/libc/stdio/freopen.c10
-rw-r--r--lib/libc/tests/sys/Makefile4
-rw-r--r--lib/libc/tests/sys/swapcontext_test.c63
-rw-r--r--lib/libfetch/common.c7
-rw-r--r--lib/libsecureboot/h/libsecureboot.h1
-rw-r--r--lib/ncurses/tinfo/Makefile9
10 files changed, 126 insertions, 13 deletions
diff --git a/lib/libc/gen/fdopendir.c b/lib/libc/gen/fdopendir.c
index df6709fbcb85..9393cbe28f85 100644
--- a/lib/libc/gen/fdopendir.c
+++ b/lib/libc/gen/fdopendir.c
@@ -48,8 +48,16 @@
DIR *
fdopendir(int fd)
{
+ int flags, rc;
- if (_fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
+ flags = _fcntl(fd, F_GETFD, 0);
+ if (flags == -1)
return (NULL);
+
+ if ((flags & FD_CLOEXEC) == 0) {
+ rc = _fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
+ if (rc == -1)
+ return (NULL);
+ }
return (__opendir_common(fd, DTF_HIDEW | DTF_NODUP, true));
}
diff --git a/lib/libc/powerpc64/gen/_ctx_start.S b/lib/libc/powerpc64/gen/_ctx_start.S
index c2f8abfd6486..98225f9c1138 100644
--- a/lib/libc/powerpc64/gen/_ctx_start.S
+++ b/lib/libc/powerpc64/gen/_ctx_start.S
@@ -34,6 +34,16 @@
ld %r2,8(%r14)
ld %r14,0(%r14)
#else
+ /*
+ * The stack frame was already set up in makecontext(),
+ * so we can safely use the guaranteed fields here.
+ *
+ * Note we do step on the allocated stack frame's TOC,
+ * but since we never return from this function (i.e.
+ * never restore the stack frame) this should be safe.
+ */
+ std %r2,24(%r1) /* save TOC */
+
/* Load global entry point */
mr %r12,%r14
#endif
@@ -41,6 +51,10 @@
blrl /* branch to start function */
mr %r3,%r15 /* pass pointer to ucontext as argument */
nop
+#if defined(_CALL_ELF) && _CALL_ELF != 1
+ /* Restore TOC */
+ ld %r2,24(%r1)
+#endif
bl CNAME(_ctx_done) /* branch to ctxt completion func */
/*
* we should never return from the
diff --git a/lib/libc/powerpc64/gen/makecontext.c b/lib/libc/powerpc64/gen/makecontext.c
index 75c2d40bdd60..9e3a976fa1bd 100644
--- a/lib/libc/powerpc64/gen/makecontext.c
+++ b/lib/libc/powerpc64/gen/makecontext.c
@@ -78,7 +78,7 @@ __makecontext(ucontext_t *ucp, void (*start)(void), int argc, ...)
*/
stackargs = (argc > 8) ? argc - 8 : 0;
sp = (char *) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size
- - sizeof(uintptr_t)*(stackargs + 2);
+ - sizeof(uintptr_t)*(stackargs + 6);
sp = (char *)((uintptr_t)sp & ~0x1f);
mc = &ucp->uc_mcontext;
@@ -119,6 +119,7 @@ __makecontext(ucontext_t *ucp, void (*start)(void), int argc, ...)
mc->mc_srr0 = *(uintptr_t *)_ctx_start;
#else
mc->mc_srr0 = (uintptr_t) _ctx_start;
+ mc->mc_gpr[12] = (uintptr_t) _ctx_start;/* required for prologue */
#endif
mc->mc_gpr[1] = (uintptr_t) sp; /* new stack pointer */
mc->mc_gpr[14] = (uintptr_t) start; /* r14 <- start */
diff --git a/lib/libc/stdio/fdopen.c b/lib/libc/stdio/fdopen.c
index a0d7b71df782..49ec97eda39d 100644
--- a/lib/libc/stdio/fdopen.c
+++ b/lib/libc/stdio/fdopen.c
@@ -46,7 +46,7 @@ FILE *
fdopen(int fd, const char *mode)
{
FILE *fp;
- int flags, oflags, fdflags, tmp;
+ int flags, oflags, fdflags, rc, tmp;
/*
* File descriptors are a full int, but _file is only a short.
@@ -76,9 +76,19 @@ fdopen(int fd, const char *mode)
if ((fp = __sfp()) == NULL)
return (NULL);
- if ((oflags & O_CLOEXEC) && _fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
- fp->_flags = 0;
- return (NULL);
+ if ((oflags & O_CLOEXEC) != 0) {
+ tmp = _fcntl(fd, F_GETFD, 0);
+ if (tmp == -1) {
+ fp->_flags = 0;
+ return (NULL);
+ }
+ if ((tmp & FD_CLOEXEC) == 0) {
+ rc = _fcntl(fd, F_SETFD, tmp | FD_CLOEXEC);
+ if (rc == -1) {
+ fp->_flags = 0;
+ return (NULL);
+ }
+ }
}
fp->_flags = flags;
diff --git a/lib/libc/stdio/freopen.c b/lib/libc/stdio/freopen.c
index f0732b6d6741..048fd30b3193 100644
--- a/lib/libc/stdio/freopen.c
+++ b/lib/libc/stdio/freopen.c
@@ -55,7 +55,7 @@ freopen(const char * __restrict file, const char * __restrict mode,
FILE * __restrict fp)
{
int f;
- int dflags, flags, isopen, oflags, sverrno, wantfd;
+ int dflags, fdflags, flags, isopen, oflags, sverrno, wantfd;
if ((flags = __sflags(mode, &oflags)) == 0) {
sverrno = errno;
@@ -113,8 +113,12 @@ freopen(const char * __restrict file, const char * __restrict mode,
(void) ftruncate(fp->_file, (off_t)0);
if (!(oflags & O_APPEND))
(void) _sseek(fp, (fpos_t)0, SEEK_SET);
- if (oflags & O_CLOEXEC)
- (void) _fcntl(fp->_file, F_SETFD, FD_CLOEXEC);
+ if ((oflags & O_CLOEXEC) != 0) {
+ fdflags = _fcntl(fp->_file, F_GETFD, 0);
+ if (fdflags != -1 && (fdflags & FD_CLOEXEC) == 0)
+ (void) _fcntl(fp->_file, F_SETFD,
+ fdflags | FD_CLOEXEC);
+ }
f = fp->_file;
isopen = 0;
wantfd = -1;
diff --git a/lib/libc/tests/sys/Makefile b/lib/libc/tests/sys/Makefile
index 89d341ff400a..88f8191a16eb 100644
--- a/lib/libc/tests/sys/Makefile
+++ b/lib/libc/tests/sys/Makefile
@@ -7,11 +7,11 @@ ATF_TESTS_C+= brk_test
.endif
ATF_TESTS_C+= cpuset_test
ATF_TESTS_C+= errno_test
+ATF_TESTS_C+= swapcontext_test
ATF_TESTS_C+= queue_test
ATF_TESTS_C+= sendfile_test
-# TODO: clone, lwp_create, lwp_ctl, posix_fadvise, recvmmsg,
-# swapcontext
+# TODO: clone, lwp_create, lwp_ctl, posix_fadvise, recvmmsg
NETBSD_ATF_TESTS_C+= access_test
NETBSD_ATF_TESTS_C+= bind_test
NETBSD_ATF_TESTS_C+= chroot_test
diff --git a/lib/libc/tests/sys/swapcontext_test.c b/lib/libc/tests/sys/swapcontext_test.c
new file mode 100644
index 000000000000..f341a746e515
--- /dev/null
+++ b/lib/libc/tests/sys/swapcontext_test.c
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 2025 Raptor Computing Systems, LLC
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ucontext.h>
+#include <errno.h>
+
+#include <atf-c.h>
+
+#define STACK_SIZE (64ull << 10)
+
+static volatile int callback_reached = 0;
+
+static ucontext_t uctx_save, uctx_switch;
+
+static void swapcontext_callback()
+{
+ // Increment callback reached variable
+ // If this is called multiple times, we will fail the test
+ // If this is not called at all, we will fail the test
+ callback_reached++;
+}
+
+ATF_TC(swapcontext_basic);
+ATF_TC_HEAD(swapcontext_basic, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify basic functionality of swapcontext");
+}
+
+ATF_TC_BODY(swapcontext_basic, tc)
+{
+ char *stack;
+ int res;
+
+ stack = malloc(STACK_SIZE);
+ ATF_REQUIRE_MSG(stack != NULL, "malloc failed: %s", strerror(errno));
+ res = getcontext(&uctx_switch);
+ ATF_REQUIRE_MSG(res == 0, "getcontext failed: %s", strerror(errno));
+
+ uctx_switch.uc_stack.ss_sp = stack;
+ uctx_switch.uc_stack.ss_size = STACK_SIZE;
+ uctx_switch.uc_link = &uctx_save;
+ makecontext(&uctx_switch, swapcontext_callback, 0);
+
+ res = swapcontext(&uctx_save, &uctx_switch);
+
+ ATF_REQUIRE_MSG(res == 0, "swapcontext failed: %s", strerror(errno));
+ ATF_REQUIRE_MSG(callback_reached == 1,
+ "callback failed, reached %d times", callback_reached);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, swapcontext_basic);
+
+ return (atf_no_error());
+}
+
diff --git a/lib/libfetch/common.c b/lib/libfetch/common.c
index 0d85ed468284..786d5647d993 100644
--- a/lib/libfetch/common.c
+++ b/lib/libfetch/common.c
@@ -277,13 +277,16 @@ conn_t *
fetch_reopen(int sd)
{
conn_t *conn;
+ int flags;
int opt = 1;
/* allocate and fill connection structure */
if ((conn = calloc(1, sizeof(*conn))) == NULL)
return (NULL);
- fcntl(sd, F_SETFD, FD_CLOEXEC);
- setsockopt(sd, SOL_SOCKET, SO_NOSIGPIPE, &opt, sizeof opt);
+ flags = fcntl(sd, F_GETFD);
+ if (flags != -1 && (flags & FD_CLOEXEC) == 0)
+ (void)fcntl(sd, F_SETFD, flags | FD_CLOEXEC);
+ (void)setsockopt(sd, SOL_SOCKET, SO_NOSIGPIPE, &opt, sizeof(opt));
conn->sd = sd;
++conn->ref;
return (conn);
diff --git a/lib/libsecureboot/h/libsecureboot.h b/lib/libsecureboot/h/libsecureboot.h
index 017558536825..d32df9594332 100644
--- a/lib/libsecureboot/h/libsecureboot.h
+++ b/lib/libsecureboot/h/libsecureboot.h
@@ -29,6 +29,7 @@
#include <sys/param.h>
#ifdef _STANDALONE
+#define _DEBUG_LEVEL_VAR DebugVe
#include <stand.h>
#else
#include <sys/types.h>
diff --git a/lib/ncurses/tinfo/Makefile b/lib/ncurses/tinfo/Makefile
index 920bd6e5559c..476df54bb72a 100644
--- a/lib/ncurses/tinfo/Makefile
+++ b/lib/ncurses/tinfo/Makefile
@@ -259,10 +259,18 @@ term.h: MKterm.h.awk edit_cfg.sh Caps Caps-ncurses
sh ${NCURSES_DIR}/include/edit_cfg.sh ${NCURSES_CFG_H} $@.new
mv -f $@.new $@
+# Avoid hard-coding absolute source paths if requested.
+.if ${MK_REPRODUCIBLE_BUILD} != "no"
+NCURSES_SRCTOP=/usr/src
+.else
+NCURSES_SRCTOP=${SRCTOP}
+.endif
+
curses.h: curses.head MKkey_defs.sh Caps Caps-ncurses
cat curses.head > $@.new
AWK=${AWK} _POSIX2_VERSION=199209 sh ${NCURSES_DIR}/include/MKkey_defs.sh \
${NCURSES_DIR}/include/Caps ${NCURSES_DIR}/include/Caps-ncurses >> $@.new
+ sed -i '' 's|${SRCTOP}|${NCURSES_SRCTOP}|g' $@.new
cat ${NCURSES_DIR}/include/curses.wide >> $@.new
cat ${NCURSES_DIR}/include/curses.tail >> $@.new
mv -f $@.new $@
@@ -387,6 +395,7 @@ unctrl.h: unctrl.h.in
terminfo.5: MKterminfo.sh terminfo.head Caps
sh ${NCURSES_DIR}/man/MKterminfo.sh ${NCURSES_DIR}/man/terminfo.head \
${NCURSES_DIR}/include/Caps ${NCURSES_DIR}/man/terminfo.tail >$@
+ sed -i '' 's|${SRCTOP}|${NCURSES_SRCTOP}|g' $@
CLEANFILES+= terminfo.5