From 873fa5beccbb4e95d1bbb9afb6a0eec02811f09b Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 25 Jul 2014 17:39:05 +0530 Subject: NPTL: ARC support Signed-off-by: Vineet Gupta Signed-off-by: Bernhard Reutner-Fischer --- ldso/ldso/arc/elfinterp.c | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) (limited to 'ldso/ldso/arc/elfinterp.c') diff --git a/ldso/ldso/arc/elfinterp.c b/ldso/ldso/arc/elfinterp.c index ca0d2c16f..d26c94705 100644 --- a/ldso/ldso/arc/elfinterp.c +++ b/ldso/ldso/arc/elfinterp.c @@ -92,6 +92,7 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope, unsigned long old_val = 0; #endif struct symbol_ref sym_ref; + struct elf_resolve *tls_tpnt = NULL; reloc_addr = (unsigned long *)(tpnt->loadaddr + rpnt->r_offset); reloc_type = ELF_R_TYPE(rpnt->r_info); @@ -118,15 +119,26 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope, */ if (unlikely(!symbol_addr - && ELF_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK)) { + && ELF_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK + && ELF_ST_TYPE(symtab[symtab_index].st_info) != STT_TLS)) { /* Non-fatal if called from dlopen, hence different ret code */ return 1; } + + tls_tpnt = sym_ref.tpnt; } else if (reloc_type == R_ARC_RELATIVE ) { *reloc_addr += tpnt->loadaddr; goto log_entry; } +#if defined USE_TLS && USE_TLS + /* In case of a TLS reloc, tls_tpnt NULL means we have an 'anonymous' + symbol. This is the case for a static tls variable, so the lookup + module is just that one is referencing the tls variable. */ + if (!tls_tpnt) + tls_tpnt = tpnt; +#endif + switch (reloc_type) { case R_ARC_32: *reloc_addr += symbol_addr + rpnt->r_addend; @@ -142,6 +154,18 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope, _dl_memcpy((void *) reloc_addr,(void *) symbol_addr, symtab[symtab_index].st_size); break; +#if defined USE_TLS && USE_TLS + case R_ARC_TLS_DTPMOD: + *reloc_addr = tls_tpnt->l_tls_modid; + break; + case R_ARC_TLS_DTPOFF: + *reloc_addr = symbol_addr; + break; + case R_ARC_TLS_TPOFF: + CHECK_STATIC_TLS ((struct link_map *) tls_tpnt); + *reloc_addr = tls_tpnt->l_tls_offset + symbol_addr + rpnt->r_addend; + break; +#endif default: return -1; } -- cgit v1.2.3