65 lines
2.0 KiB
Diff
65 lines
2.0 KiB
Diff
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From f44ecd4fcdb8e02e6bd58201a81f047d1e109508 Mon Sep 17 00:00:00 2001
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From: Ulrich Hecht <uli@suse.de>
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Date: Thu, 16 Apr 2009 15:14:12 +0200
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Subject: [PATCH 13/17] i386-linux-user NPTL support
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Makes NPTL binaries run by implementing TLS.
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Signed-off-by: Ulrich Hecht <uli@suse.de>
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---
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configure | 1 +
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linux-user/syscall.c | 16 ++++++++++++++--
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2 files changed, 15 insertions(+), 2 deletions(-)
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diff --git a/configure b/configure
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index 598e8e1..95de763 100755
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--- a/configure
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+++ b/configure
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@@ -2910,6 +2910,7 @@ TARGET_ABI_DIR=""
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case "$target_arch2" in
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i386)
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target_phys_bits=32
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+ target_nptl="yes"
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;;
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x86_64)
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TARGET_BASE_ARCH=i386
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diff --git a/linux-user/syscall.c b/linux-user/syscall.c
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index 81bf1f0..1a98433 100644
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--- a/linux-user/syscall.c
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+++ b/linux-user/syscall.c
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@@ -3792,8 +3792,14 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
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ts->child_tidptr = child_tidptr;
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}
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- if (nptl_flags & CLONE_SETTLS)
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+ if (nptl_flags & CLONE_SETTLS) {
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+#if defined(TARGET_I386) && defined(TARGET_ABI32)
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+ do_set_thread_area(new_env, newtls);
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+ cpu_x86_load_seg(new_env, R_GS, new_env->segs[R_GS].selector);
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+#else
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cpu_set_tls (new_env, newtls);
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+#endif
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+ }
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/* Grab a mutex so that thread setup appears atomic. */
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pthread_mutex_lock(&clone_lock);
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@@ -3867,8 +3873,14 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
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if (flags & CLONE_PARENT_SETTID)
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put_user_u32(gettid(), parent_tidptr);
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ts = (TaskState *)env->opaque;
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- if (flags & CLONE_SETTLS)
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+ if (flags & CLONE_SETTLS) {
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+#if defined(TARGET_I386) && defined(TARGET_ABI32)
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+ do_set_thread_area(env, newtls);
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+ cpu_x86_load_seg(env, R_GS, env->segs[R_GS].selector);
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+#else
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cpu_set_tls (env, newtls);
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+#endif
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+ }
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if (flags & CLONE_CHILD_CLEARTID)
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ts->child_tidptr = child_tidptr;
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#endif
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--
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1.7.1
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