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Merging of projects/armv6, part 2

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Handle TLS for ARMv6 and ARMv7
This commit is contained in:
Oleksandr Tymoshenko 2012-08-15 03:07:41 +00:00
parent cf1a573f04
commit c9e95645f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=239269
1 changed files with 14 additions and 1 deletions
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15
libexec/rtld-elf/arm/reloc.c
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@ -433,7 +433,9 @@ reloc_jmpslot(Elf_Addr *where, Elf_Addr target, const Obj_Entry *defobj,
void void
allocate_initial_tls(Obj_Entry *objs) allocate_initial_tls(Obj_Entry *objs)
{ {
#ifdef ARM_TP_ADDRESS
void **_tp = (void **)ARM_TP_ADDRESS; void **_tp = (void **)ARM_TP_ADDRESS;
#endif
/* /*
* Fix the size of the static TLS block by using the maximum * Fix the size of the static TLS block by using the maximum
@ -443,16 +445,27 @@ allocate_initial_tls(Obj_Entry *objs)
tls_static_space = tls_last_offset + tls_last_size + RTLD_STATIC_TLS_EXTRA; tls_static_space = tls_last_offset + tls_last_size + RTLD_STATIC_TLS_EXTRA;
#ifdef ARM_TP_ADDRESS
(*_tp) = (void *) allocate_tls(objs, NULL, TLS_TCB_SIZE, 8); (*_tp) = (void *) allocate_tls(objs, NULL, TLS_TCB_SIZE, 8);
#else
sysarch(ARM_SET_TP, allocate_tls(objs, NULL, TLS_TCB_SIZE, 8));
#endif
} }
void * void *
__tls_get_addr(tls_index* ti) __tls_get_addr(tls_index* ti)
{ {
void **_tp = (void **)ARM_TP_ADDRESS;
char *p; char *p;
#ifdef ARM_TP_ADDRESS
void **_tp = (void **)ARM_TP_ADDRESS;
p = tls_get_addr_common((Elf_Addr **)(*_tp), ti->ti_module, ti->ti_offset); p = tls_get_addr_common((Elf_Addr **)(*_tp), ti->ti_module, ti->ti_offset);
#else
void *_tp;
__asm __volatile("mrc p15, 0, %0, c13, c0, 3" \
: "=r" (_tp));
p = tls_get_addr_common((Elf_Addr **)(_tp), ti->ti_module, ti->ti_offset);
#endif
return (p); return (p);
} }