diff options
Diffstat (limited to 'libexec/rtld-elf/mips/reloc.c')
| -rw-r--r-- | libexec/rtld-elf/mips/reloc.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libexec/rtld-elf/mips/reloc.c b/libexec/rtld-elf/mips/reloc.c index d611c73f1fb3..bd75716b270c 100644 --- a/libexec/rtld-elf/mips/reloc.c +++ b/libexec/rtld-elf/mips/reloc.c @@ -634,13 +634,67 @@ allocate_initial_tls(Obj_Entry *objs) sysarch(MIPS_SET_TLS, tls); } +#ifdef __mips_n64 +void * +_mips_get_tls(void) +{ + uint64_t _rv; + + __asm__ __volatile__ ( + ".set\tpush\n\t" + ".set\tmips64r2\n\t" + "rdhwr\t%0, $29\n\t" + ".set\tpop" + : "=v" (_rv)); + /* + * XXXSS See 'git show c6be4f4d2d1b71c04de5d3bbb6933ce2dbcdb317' + * + * Remove the offset since this really a request to get the TLS + * pointer via sysarch() (in theory). Of course, this may go away + * once the TLS code is rewritten. + */ + _rv = _rv - TLS_TP_OFFSET - TLS_TCB_SIZE; + + return (void *)_rv; +} + +#else /* mips 32 */ + +void * +_mips_get_tls(void) +{ + uint32_t _rv; + + __asm__ __volatile__ ( + ".set\tpush\n\t" + ".set\tmips32r2\n\t" + "rdhwr\t%0, $29\n\t" + ".set\tpop" + : "=v" (_rv)); + /* + * XXXSS See 'git show c6be4f4d2d1b71c04de5d3bbb6933ce2dbcdb317' + * + * Remove the offset since this really a request to get the TLS + * pointer via sysarch() (in theory). Of course, this may go away + * once the TLS code is rewritten. + */ + _rv = _rv - TLS_TP_OFFSET - TLS_TCB_SIZE; + + return (void *)_rv; +} +#endif /* ! __mips_n64 */ + void * __tls_get_addr(tls_index* ti) { Elf_Addr** tls; char *p; +#ifdef TLS_USE_SYSARCH sysarch(MIPS_GET_TLS, &tls); +#else + tls = _mips_get_tls(); +#endif p = tls_get_addr_common(tls, ti->ti_module, ti->ti_offset + TLS_DTP_OFFSET); |