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Update.

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* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): More changes
	required by passing pointer to last element of the list.

	* elf/dl-load.c (_dl_map_object_from_fd): Move adjustment of
	l_tls_initimage to a place where it actually is performed.

	* elf/tls-macros.h: ...here.  New file.
This commit is contained in:
Ulrich Drepper 2002-02-11 00:57:37 +00:00
parent 03af57939c
commit a330abe2cd
3 changed files with 25 additions and 17 deletions
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8
ChangeLog
View File

@ -1,5 +1,11 @@
2002-02-10 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): More changes
required by passing pointer to last element of the list.
* elf/dl-load.c (_dl_map_object_from_fd): Move adjustment of
l_tls_initimage to a place where it actually is performed.
* sysdeps/generic/glob.c (glob): Explicitly set gl_pathc to zero
after globfree() calls.
@ -17,7 +23,7 @@
* elf/Makefile: Add rules to build and run nodlopen2.
* elf/tst-tls1.c: Move TLS helper macros to...
* elf/tls-macros.hgg: ...here. New file.
* elf/tls-macros.h: ...here. New file.
* elf/tst-tls2.c: New file.
* elf/Makefile (tests): Add tst-tls2.
(distribute): Add tls-macros.h.

12
elf/dl-load.c
View File

@ -1036,12 +1036,6 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
l->l_map_start = c->mapstart + l->l_addr;
l->l_map_end = l->l_map_start + maplength;
#ifdef USE_TLS
/* Adjust the address of the TLS initialization image. */
if (l->l_tls_initimage != NULL)
l->l_tls_initimage = (char *) l->l_tls_initimage + l->l_addr;
#endif
while (c < &loadcmds[nloadcmds])
{
if (c->mapend > c->mapstart
@ -1135,6 +1129,12 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
(ElfW(Addr)) l->l_phdr += l->l_addr;
}
#ifdef USE_TLS
/* Adjust the address of the TLS initialization image. */
if (l->l_tls_initimage != NULL)
l->l_tls_initimage = (char *) l->l_tls_initimage + l->l_map_start;
#endif
/* We are done mapping in the file. We no longer need the descriptor. */
__close (fd);
/* Signal that we closed the file. */

22
sysdeps/generic/dl-tls.c
View File

@ -79,16 +79,16 @@ _dl_next_tls_modid (void)
void
internal_function
_dl_determine_tlsoffset (struct link_map *firstp)
_dl_determine_tlsoffset (struct link_map *lastp)
{
struct link_map *runp = firstp;
struct link_map *runp;
size_t max_align = 0;
size_t offset;
if (GL(dl_initimage_list) == NULL)
if (lastp == NULL)
{
/* None of the objects used at startup time uses TLS. We still
have to allocate the TCB adn dtv. */
have to allocate the TCB and dtv. */
GL(dl_tls_static_size) = TLS_TCB_SIZE;
GL(dl_tls_static_align) = TLS_TCB_ALIGN;
@ -99,6 +99,7 @@ _dl_determine_tlsoffset (struct link_map *firstp)
/* We simply start with zero. */
offset = 0;
runp = lastp->l_tls_nextimage;
do
{
max_align = MAX (max_align, runp->l_tls_align);
@ -110,7 +111,7 @@ _dl_determine_tlsoffset (struct link_map *firstp)
negative offset. */
runp->l_tls_offset = offset;
}
while ((runp = runp->l_tls_nextimage) != firstp);
while ((runp = runp->l_tls_nextimage) != lastp->l_tls_nextimage);
#if 0
/* The thread descriptor (pointed to by the thread pointer) has its
@ -126,27 +127,28 @@ _dl_determine_tlsoffset (struct link_map *firstp)
GL(dl_tls_static_size) = offset + TLS_TCB_SIZE;
# elif TLS_DTV_AT_TP
struct link_map *lastp;
struct link_map *prevp;
/* The first block starts right after the TCB. */
offset = TLS_TCB_SIZE;
max_align = runp->l_tls_align;
runp = lastp->l_tls_nextimage;
runp->l_tls_offset = offset;
lastp = runp;
prevp = runp;
while ((runp = runp->l_tls_nextimage) != firstp)
{
max_align = MAX (max_align, runp->l_tls_align);
/* Compute the offset of the next TLS block. */
offset = roundup (offset + lastp->l_tls_blocksize, runp->l_tls_align);
offset = roundup (offset + prevp->l_tls_blocksize, runp->l_tls_align);
runp->l_tls_offset = offset;
lastp = runp;
prevp = runp;
}
GL(dl_tls_static_size) = offset + lastp->l_tls_blocksize;
GL(dl_tls_static_size) = offset + prevp->l_tls_blocksize;
# else
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
# endif