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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-09-06 16:03:32 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-09-06 16:03:32 -0700 |
| commit | b80af2f40631871cf53a5e39d08d5d5516473b96 (patch) | |
| tree | a008a72697dfb8ee9aa3daae03c97fe326bb8067 /csu | |
| parent | 2abe9f1507f971d1513a2d75a865ec4615d2d6b8 (diff) | |
| download | glibc-b80af2f40631871cf53a5e39d08d5d5516473b96.zip glibc-b80af2f40631871cf53a5e39d08d5d5516473b96.tar.gz glibc-b80af2f40631871cf53a5e39d08d5d5516473b96.tar.bz2 | |
Remove _dl_initial_dtv
* csu/libc-tls.c (static_dtv): Renamed to ...
(_dl_static_dtv): This. Make it global.
(_dl_initial_dtv): Removed.
(__libc_setup_tls): Updated.
* elf/dl-tls.c (DL_INITIAL_DTV): New macro.
(_dl_deallocate_tls): Replace GL(dl_initial_dtv) with
DL_INITIAL_DTV.
Diffstat (limited to 'csu')
| -rw-r--r-- | csu/libc-tls.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/csu/libc-tls.c b/csu/libc-tls.c index eb9c502..9bc4d84 100644 --- a/csu/libc-tls.c +++ b/csu/libc-tls.c @@ -32,7 +32,7 @@ extern ElfW(Phdr) *_dl_phdr; extern size_t _dl_phnum; -static dtv_t static_dtv[2 + TLS_SLOTINFO_SURPLUS]; +dtv_t _dl_static_dtv[2 + TLS_SLOTINFO_SURPLUS]; static struct @@ -65,8 +65,6 @@ size_t _dl_tls_static_size = 2048; size_t _dl_tls_static_used; /* Alignment requirement of the static TLS block. */ size_t _dl_tls_static_align; -/* Initial dtv of the main thread, not allocated with normal malloc. */ -void *_dl_initial_dtv = &static_dtv[1]; /* Generation counter for the dtv. */ size_t _dl_tls_generation; @@ -165,33 +163,33 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign) & ~(max_align - 1)); /* Initialize the dtv. [0] is the length, [1] the generation counter. */ - static_dtv[0].counter = (sizeof (static_dtv) / sizeof (static_dtv[0])) - 2; - // static_dtv[1].counter = 0; would be needed if not already done + _dl_static_dtv[0].counter = (sizeof (_dl_static_dtv) / sizeof (_dl_static_dtv[0])) - 2; + // _dl_static_dtv[1].counter = 0; would be needed if not already done /* Initialize the TLS block. */ #if TLS_TCB_AT_TP - static_dtv[2].pointer.val = ((char *) tlsblock + tcb_offset + _dl_static_dtv[2].pointer.val = ((char *) tlsblock + tcb_offset - roundup (memsz, align ?: 1)); static_map.l_tls_offset = roundup (memsz, align ?: 1); #elif TLS_DTV_AT_TP - static_dtv[2].pointer.val = (char *) tlsblock + tcb_offset; + _dl_static_dtv[2].pointer.val = (char *) tlsblock + tcb_offset; static_map.l_tls_offset = tcb_offset; #else # error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined" #endif - static_dtv[2].pointer.is_static = true; + _dl_static_dtv[2].pointer.is_static = true; /* sbrk gives us zero'd memory, so we don't need to clear the remainder. */ - memcpy (static_dtv[2].pointer.val, initimage, filesz); + memcpy (_dl_static_dtv[2].pointer.val, initimage, filesz); /* Install the pointer to the dtv. */ /* Initialize the thread pointer. */ #if TLS_TCB_AT_TP - INSTALL_DTV ((char *) tlsblock + tcb_offset, static_dtv); + INSTALL_DTV ((char *) tlsblock + tcb_offset, _dl_static_dtv); const char *lossage = TLS_INIT_TP ((char *) tlsblock + tcb_offset, 0); #elif TLS_DTV_AT_TP - INSTALL_DTV (tlsblock, static_dtv); + INSTALL_DTV (tlsblock, _dl_static_dtv); const char *lossage = TLS_INIT_TP (tlsblock, 0); #else # error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined" |