1. Add macro DTV_OFFSET to calculate dtv offset in tcb.

2. Export symbols needed by debugger.

10 files changed, 30 insertions, 3 deletions

diff --git a/lib/libpthread/Makefile b/lib/libpthread/Makefile
index ba86f08..c0f0399 100644
--- a/lib/libpthread/Makefile
+++ b/lib/libpthread/Makefile
@@ -19,6 +19,7 @@ CFLAGS+=-I${.CURDIR}/../libc/include -I${.CURDIR}/thread \
 CFLAGS+=-I${.CURDIR}/arch/${MACHINE_ARCH}/include
 CFLAGS+=-I${.CURDIR}/sys
 CFLAGS+=-I${.CURDIR}/../../libexec/rtld-elf
+CFLAGS+=-I${.CURDIR}/../../libexec/rtld-elf/${MACHINE_ARCH}
 CFLAGS+=-fno-builtin
 
 # Uncomment this if you want libpthread to contain debug information for
diff --git a/lib/libpthread/arch/alpha/include/pthread_md.h b/lib/libpthread/arch/alpha/include/pthread_md.h
index 5266a6d..908bcfd 100644
--- a/lib/libpthread/arch/alpha/include/pthread_md.h
+++ b/lib/libpthread/arch/alpha/include/pthread_md.h
@@ -34,6 +34,7 @@
 #include <ucontext.h>
 
 #define	KSE_STACKSIZE		16384
+#define	DTV_OFFSET		offsetof(struct tcb, tcb_tp.tp_dtv)
 
 #define	THR_GETCONTEXT(ucp)	_alpha_save_context(&(ucp)->uc_mcontext)
 #define	THR_SETCONTEXT(ucp)	PANIC("THR_SETCONTEXT() now in use!\n")
diff --git a/lib/libpthread/arch/amd64/include/pthread_md.h b/lib/libpthread/arch/amd64/include/pthread_md.h
index 86af4af..4f903c5 100644
--- a/lib/libpthread/arch/amd64/include/pthread_md.h
+++ b/lib/libpthread/arch/amd64/include/pthread_md.h
@@ -32,12 +32,14 @@
 #ifndef _PTHREAD_MD_H_
 #define	_PTHREAD_MD_H_
 
+#include <stddef.h>
 #include <sys/types.h>
 #include <sys/kse.h>
 #include <machine/sysarch.h>
 #include <ucontext.h>
 
 #define	KSE_STACKSIZE		16384
+#define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
 #define	THR_GETCONTEXT(ucp)	\
 	(void)_amd64_save_context(&(ucp)->uc_mcontext)
diff --git a/lib/libpthread/arch/arm/include/pthread_md.h b/lib/libpthread/arch/arm/include/pthread_md.h
index 2ba486c..e9d2b6f 100644
--- a/lib/libpthread/arch/arm/include/pthread_md.h
+++ b/lib/libpthread/arch/arm/include/pthread_md.h
@@ -38,6 +38,7 @@
 #include <ucontext.h>
 
 #define	KSE_STACKSIZE		16384
+#define	DTV_OFFSET              offsetof(struct tcb, tcb_tp.tp_dtv)
 
 int _thr_setcontext(mcontext_t *, intptr_t, intptr_t *);
 int _thr_getcontext(mcontext_t *);
diff --git a/lib/libpthread/arch/i386/include/pthread_md.h b/lib/libpthread/arch/i386/include/pthread_md.h
index 2d4b0e0..d208d2e 100644
--- a/lib/libpthread/arch/i386/include/pthread_md.h
+++ b/lib/libpthread/arch/i386/include/pthread_md.h
@@ -31,6 +31,7 @@
 #ifndef _PTHREAD_MD_H_
 #define	_PTHREAD_MD_H_
 
+#include <stddef.h>
 #include <sys/kse.h>
 #include <ucontext.h>
 
@@ -38,6 +39,7 @@ extern int _thr_setcontext(mcontext_t *, intptr_t, intptr_t *);
 extern int _thr_getcontext(mcontext_t *);
 
 #define	KSE_STACKSIZE		16384
+#define	DTV_OFFSET		offsetof(struct tcb, tcb_dtv)
 
 #define	THR_GETCONTEXT(ucp)	_thr_getcontext(&(ucp)->uc_mcontext)
 #define	THR_SETCONTEXT(ucp)	_thr_setcontext(&(ucp)->uc_mcontext, 0, NULL)
diff --git a/lib/libpthread/arch/ia64/include/pthread_md.h b/lib/libpthread/arch/ia64/include/pthread_md.h
index 264909c..220077a 100644
--- a/lib/libpthread/arch/ia64/include/pthread_md.h
+++ b/lib/libpthread/arch/ia64/include/pthread_md.h
@@ -34,6 +34,7 @@
 #include <ucontext.h>
 
 #define	KSE_STACKSIZE		16384
+#define	DTV_OFFSET		offsetof(struct tcb, tcb_tp.tp_dtv)
 
 #define	THR_GETCONTEXT(ucp)	_ia64_save_context(&(ucp)->uc_mcontext)
 #define	THR_SETCONTEXT(ucp)	PANIC("THR_SETCONTEXT() now in use!\n")
diff --git a/lib/libpthread/arch/powerpc/include/pthread_md.h b/lib/libpthread/arch/powerpc/include/pthread_md.h
index 776d45b..5d00ab3 100644
--- a/lib/libpthread/arch/powerpc/include/pthread_md.h
+++ b/lib/libpthread/arch/powerpc/include/pthread_md.h
@@ -42,6 +42,7 @@ extern int  _ppc32_setcontext(mcontext_t *, intptr_t, intptr_t *);
 extern int  _ppc32_getcontext(mcontext_t *);
 
 #define	KSE_STACKSIZE		16384
+#define	DTV_OFFSET		offsetof(struct tcb, tcb.tcb_tp.tp_dtv)
 
 #define	THR_GETCONTEXT(ucp)	_ppc32_getcontext(&(ucp)->uc_mcontext)
 #define	THR_SETCONTEXT(ucp)	_ppc32_setcontext(&(ucp)->uc_mcontext, 0, NULL)
diff --git a/lib/libpthread/arch/sparc64/include/pthread_md.h b/lib/libpthread/arch/sparc64/include/pthread_md.h
index 4700d73..1abbe65 100644
--- a/lib/libpthread/arch/sparc64/include/pthread_md.h
+++ b/lib/libpthread/arch/sparc64/include/pthread_md.h
@@ -38,6 +38,7 @@
 #include <ucontext.h>
 
 #define	KSE_STACKSIZE		16384
+#define	DTV_OFFSET		offsetof(struct tcb, tcb_tp.tp_dtv)
 
 int _thr_setcontext(mcontext_t *, intptr_t, intptr_t *);
 int _thr_getcontext(mcontext_t *);
diff --git a/lib/libpthread/pthread.map b/lib/libpthread/pthread.map
index 133f694..bb04272 100644
--- a/lib/libpthread/pthread.map
+++ b/lib/libpthread/pthread.map
@@ -331,10 +331,26 @@ global:
 	# Debugger needs these.
 	_libkse_debug;
 	_thread_activated;
-	_thread_list;
-	_thread_keytable;
 	_thread_active_threads;
-
+	_thread_keytable;
+	_thread_list;
+	_thread_max_keys;
+	_thread_off_attr_flags;
+	_thread_off_dtv;
+	_thread_off_linkmap;
+	_thread_off_next;
+	_thread_off_tcb;
+	_thread_off_tmbx;
+	_thread_off_key_allocated;
+	_thread_off_key_destructor;
+	_thread_off_kse;
+	_thread_off_kse_locklevel;
+	_thread_off_state;
+	_thread_off_thr_locklevel;
+	_thread_off_tlsindex;
+	_thread_size_key;
+	_thread_state_running;
+	_thread_state_zoombie;
 local:
 	*;
 };
diff --git a/lib/libpthread/thread/Makefile.inc b/lib/libpthread/thread/Makefile.inc
index fb11adb..59fa21c 100644
--- a/lib/libpthread/thread/Makefile.inc
+++ b/lib/libpthread/thread/Makefile.inc
@@ -103,6 +103,7 @@ SRCS+= \
 	thr_suspend_np.c \
 	thr_switch_np.c \
 	thr_system.c \
+	thr_symbols.c \
 	thr_tcdrain.c \
 	thr_vfork.c \
 	thr_wait.c \