merge of 'd13e860cc99eb6e7165589bb5b3efcdc273ae032'

     and 'dc89094b528d67f441ec460b0a314a2ff6ccbb98'

1 files changed, 219 insertions, 0 deletions

diff --git a/packages/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch b/packages/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch
new file mode 100644
index 0000000000..ebc996e873
--- /dev/null
+++ b/packages/qemu/qemu-0.9.1/qemu-0.9.0-nptl-update.patch
@@ -0,0 +1,219 @@
+---
+ linux-user/main.c    |    7 ++-
+ linux-user/syscall.c |  114 ++++++++++++++++++++++++++++++++++++++++++++++-----
+ 2 files changed, 111 insertions(+), 10 deletions(-)
+
+Index: qemu/linux-user/main.c
+===================================================================
+--- qemu.orig/linux-user/main.c	2007-12-03 19:34:09.000000000 +0000
++++ qemu/linux-user/main.c	2007-12-03 23:44:45.000000000 +0000
+@@ -391,7 +391,7 @@ do_kernel_trap(CPUARMState *env)
+         cpu_unlock();
+         break;
+     case 0xffff0fe0: /* __kernel_get_tls */
+-        env->regs[0] = env->cp15.c13_tls;
++        env->regs[0] = env->cp15.c13_tls2;
+         break;
+     default:
+         return 1;
+@@ -2037,6 +2037,11 @@ int main(int argc, char **argv)
+     int drop_ld_preload = 0, environ_count = 0;
+     char **target_environ, **wrk, **dst;
+ 
++    char *assume_kernel = getenv("QEMU_ASSUME_KERNEL");
++
++    if (assume_kernel)
++       setenv("LD_ASSUME_KERNEL", assume_kernel, 1);
++
+     if (argc <= 1)
+         usage();
+ 
+Index: qemu/linux-user/syscall.c
+===================================================================
+--- qemu.orig/linux-user/syscall.c	2007-12-03 19:34:09.000000000 +0000
++++ qemu/linux-user/syscall.c	2007-12-03 23:46:54.000000000 +0000
+@@ -61,6 +61,7 @@
+ #define tchars host_tchars /* same as target */
+ #define ltchars host_ltchars /* same as target */
+ 
++#include <linux/futex.h>
+ #include <linux/termios.h>
+ #include <linux/unistd.h>
+ #include <linux/utsname.h>
+@@ -2694,7 +2695,6 @@ abi_long do_arch_prctl(CPUX86State *env,
+     return 0;
+ }
+ #endif
+-
+ #endif /* defined(TARGET_I386) */
+ 
+ /* this stack is the equivalent of the kernel stack associated with a
+@@ -2729,16 +2729,19 @@ int do_fork(CPUState *env, unsigned int 
+     TaskState *ts;
+     uint8_t *new_stack;
+     CPUState *new_env;
+-
++#if defined(TARGET_I386)
++     uint64_t *new_gdt_table;
++#endif
+ #ifdef USE_NPTL
+     unsigned int nptl_flags;
+ 
+     if (flags & CLONE_PARENT_SETTID)
+         *parent_tidptr = gettid();
+ #endif
+-
+     if (flags & CLONE_VM) {
+         ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
++        if (!ts)
++          return -ENOMEM;
+         memset(ts, 0, sizeof(TaskState));
+         new_stack = ts->stack;
+         ts->used = 1;
+@@ -2750,6 +2753,29 @@ int do_fork(CPUState *env, unsigned int 
+ #if defined(TARGET_I386)
+         if (!newsp)
+             newsp = env->regs[R_ESP];
++       new_gdt_table = malloc(9 * 8);
++       if (!new_gdt_table) {
++               free(new_env);
++               return -ENOMEM;
++       }
++       /* Copy main GDT table from parent, but clear TLS entries */
++       memcpy(new_gdt_table, g2h(env->gdt.base), 6 * 8);
++       memset(&new_gdt_table[6], 0, 3 * 8); 
++       new_env->gdt.base = h2g(new_gdt_table);
++       if (flags & 0x00080000 /* CLONE_SETTLS */) {
++               ret = do_set_thread_area(new_env, new_env->regs[R_ESI]);
++               if (ret) {
++                       free(new_gdt_table);
++                       free(new_env);
++                       return ret;
++               }
++       }
++       cpu_x86_load_seg(env, R_CS, new_env->regs[R_CS]);
++       cpu_x86_load_seg(env, R_DS, new_env->regs[R_DS]);
++       cpu_x86_load_seg(env, R_ES, new_env->regs[R_ES]);
++       cpu_x86_load_seg(env, R_SS, new_env->regs[R_SS]);
++       cpu_x86_load_seg(env, R_FS, new_env->regs[R_FS]);
++       cpu_x86_load_seg(env, R_GS, new_env->regs[R_GS]);
+         new_env->regs[R_ESP] = newsp;
+         new_env->regs[R_EAX] = 0;
+ #elif defined(TARGET_ARM)
+@@ -3121,6 +3147,68 @@ static inline abi_long host_to_target_ti
+     unlock_user_struct(target_ts, target_addr, 1);
+ }
+ 
++static long do_futex(target_ulong uaddr, int op, uint32_t val,
++                    target_ulong utime, target_ulong uaddr2,
++                    uint32_t val3)
++{
++       struct timespec host_utime;
++       unsigned long val2 = utime;
++
++       if (utime && (op == FUTEX_WAIT || op == FUTEX_LOCK_PI)) {
++               target_to_host_timespec(&host_utime, utime);
++               val2 = (unsigned long)&host_utime;
++       }
++ 
++#ifdef BSWAP_NEEDED
++       switch(op) {
++       case FUTEX_CMP_REQUEUE:
++               val3 = tswap32(val3);
++       case FUTEX_REQUEUE:
++               val2 = tswap32(val2);
++       case FUTEX_WAIT:
++       case FUTEX_WAKE:
++               val = tswap32(val);
++       case FUTEX_LOCK_PI: /* This one's icky, but comes out OK */
++       case FUTEX_UNLOCK_PI:
++               break;
++       default: 
++               gemu_log("qemu: Unsupported futex op %d\n", op);
++               return -ENOSYS;
++       } 
++#if 0 /* No, it's worse than this */
++       if (op == FUTEX_WAKE_OP) {
++               /* Need to munge the secondary operation (val3) */
++               val3 = tswap32(val3);
++               int op2 = (val3 >> 28) & 7;
++               int cmp = (val3 >> 24) & 15;
++               int oparg = (val3 << 8) >> 20;
++               int cmparg = (val3 << 20) >> 20;
++               int shift = val3 & (FUTEX_OP_OPARG_SHIFT << 28);
++
++               if (shift)
++                   oparg = (oparg & 7) + 24 - (oparg & 24);
++               else oparg = 
++               if (op2 == FUTEX_OP_ADD) {
++                       gemu_log("qemu: Unsupported wrong-endian FUTEX_OP_ADD\n");
++                       return -ENOSYS;
++               }
++               if (cmparg == FUTEX_OP_CMP_LT || cmparg == FUTEX_OP_CMP_GE ||
++                   cmparg == FUTEX_OP_CMP_LE || cmparg == FUTEX_OP_CMP_GT) {
++                       gemu_log("qemu: Unsupported wrong-endian futex cmparg %d\n", cmparg);
++                       return -ENOSYS;
++               }
++               val3 = shift | (op2<<28) | (cmp<<24) | (oparg<<12) | cmparg;
++       }
++#endif
++#endif
++       return syscall(__NR_futex, g2h(uaddr), op, val, val2, g2h(uaddr2), val3);
++}
++
++int do_set_tid_address(target_ulong tidptr)
++{
++       return syscall(__NR_set_tid_address, g2h(tidptr));
++}
++
+ /* do_syscall() should always have a single exit point at the end so
+    that actions, such as logging of syscall results, can be performed.
+    All errnos that do_syscall() returns must be -TARGET_<errcode>. */
+@@ -3145,7 +3233,7 @@ abi_long do_syscall(void *cpu_env, int n
+         _mcleanup();
+ #endif
+         gdb_exit(cpu_env, arg1);
+-        /* XXX: should free thread stack and CPU env */
++        /* XXX: should free thread stack, GDT and CPU env */
+         _exit(arg1);
+         ret = 0; /* avoid warning */
+         break;
+@@ -5569,6 +5657,9 @@ abi_long do_syscall(void *cpu_env, int n
+ #elif defined(TARGET_I386) && defined(TARGET_ABI32)
+       ret = do_set_thread_area(cpu_env, arg1);
+       break;
++#elif TARGET_i386
++	  ret = get_errno(do_set_thread_area(cpu_env, arg1));
++	  break;
+ #else
+       goto unimplemented_nowarn;
+ #endif
+@@ -5586,6 +5677,16 @@ abi_long do_syscall(void *cpu_env, int n
+         goto unimplemented_nowarn;
+ #endif
+ 
++#ifdef TARGET_NR_futex
++    case TARGET_NR_futex:
++       ret = get_errno(do_futex(arg1, arg2, arg3, arg4, arg5, arg6));
++       break;
++#endif
++#ifdef TARGET_NR_set_robust_list
++    case TARGET_NR_set_robust_list:
++           goto unimplemented_nowarn;
++#endif
++
+ #ifdef TARGET_NR_clock_gettime
+     case TARGET_NR_clock_gettime:
+     {
+@@ -5627,11 +5728,6 @@ abi_long do_syscall(void *cpu_env, int n
+ 	break;
+ #endif
+ 
+-#ifdef TARGET_NR_set_robust_list
+-    case TARGET_NR_set_robust_list:
+-	goto unimplemented_nowarn;
+-#endif
+-
+ #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
+     case TARGET_NR_utimensat:
+         {