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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-03-04 19:11:26 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-03-11 13:06:33 +0100
commita5df0318ef30a4dcff3fa2cb82265f641813d9ea (patch)
tree68dac2abbbf7703f55aa067cdc19e06e98babe83 /sysdeps/generic
parent0d13dfa17b3bdf4f5ccc179869917cc65f009e7a (diff)
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hurd: add gscope support
* elf/dl-support.c [!THREAD_GSCOPE_IN_TCB] (_dl_thread_gscope_count):
Define variable.
* sysdeps/generic/ldsodefs.h [!THREAD_GSCOPE_IN_TCB] (struct
rtld_global): Add _dl_thread_gscope_count member.
* sysdeps/mach/hurd/tls.h: Include <atomic.h>.
[!defined __ASSEMBLER__] (THREAD_GSCOPE_GLOBAL, THREAD_GSCOPE_SET_FLAG,
THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_WAIT): Define macros.
* sysdeps/generic/tls.h: Document THREAD_GSCOPE_IN_TCB.
* sysdeps/aarch64/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/alpha/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/arm/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/hppa/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/i386/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/ia64/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/m68k/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/microblaze/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/mips/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/nios2/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/powerpc/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/riscv/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/s390/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/sh/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/sparc/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/tile/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/x86_64/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/ldsodefs.h3
-rw-r--r--sysdeps/generic/tls.h6
2 files changed, 9 insertions, 0 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 5e1b24ecb5..d3013f6ec6 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -435,6 +435,9 @@ struct rtld_global
     size_t count;
     void *list[50];
   } *_dl_scope_free_list;
+#if !THREAD_GSCOPE_IN_TCB
+  EXTERN int _dl_thread_gscope_count;
+#endif
 #ifdef SHARED
 };
 # define __rtld_global_attribute__
diff --git a/sysdeps/generic/tls.h b/sysdeps/generic/tls.h
index e66b8fd08f..01cbbeb7ba 100644
--- a/sysdeps/generic/tls.h
+++ b/sysdeps/generic/tls.h
@@ -71,4 +71,10 @@
      This macro returns the address of the DTV of the current thread.
      This normally is done using the thread register which points
      to the dtv or the TCB (from which the DTV can found).
+
+
+     THREAD_GSCOPE_IN_TCB
+
+     This should be set to 1 if the global scope flag is stored within the TCB.
+     When set to 0, GL(_dl_thread_gscope_count) will be defined to store it.
   */