mirror of
https://sourceware.org/git/glibc.git
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LoongArch: Add support for TLS Descriptors
This is mostly based on AArch64 and RISC-V implementation. Add R_LARCH_TLS_DESC32 and R_LARCH_TLS_DESC64 relocations. For _dl_tlsdesc_dynamic function slow path, temporarily save and restore all vector registers.
This commit is contained in:
mengqinggang
caiyinyu
parent
f942a732d3
commit
1dbf2bef79
@ -141,6 +141,9 @@
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/* LOONGARCH floating-point ABI for ld.so. */
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#undef LOONGARCH_ABI_FRLEN
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/* Define whether compiler support vector. */
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#undef HAVE_LOONGARCH_VEC_COM
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/* Define whether ARM used hard-float and support VFPvX-D32. */
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#undef HAVE_ARM_PCS_VFP_D32
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@ -4241,6 +4241,8 @@ enum
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#define R_LARCH_TLS_TPREL32 10
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#define R_LARCH_TLS_TPREL64 11
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#define R_LARCH_IRELATIVE 12
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#define R_LARCH_TLS_DESC32 13
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#define R_LARCH_TLS_DESC64 14
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/* Reserved for future relocs that the dynamic linker must understand. */
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@ -1,5 +1,7 @@
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ifeq ($(subdir),misc)
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sysdep_headers += sys/asm.h
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sysdep_headers += \
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sys/asm.h \
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# sysdep_headers
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tests += \
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tst-hwcap-tunables \
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@ -9,21 +11,45 @@ tst-hwcap-tunables-ARGS = -- $(host-test-program-cmd)
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endif
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ifeq ($(subdir),elf)
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gen-as-const-headers += dl-link.sym
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sysdep-dl-routines += \
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dl-tlsdesc \
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tlsdesc \
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# sysdep-dl-routines
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gen-as-const-headers += \
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dl-link.sym \
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# gen-as-const-headers
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endif
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ifeq ($(subdir),csu)
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gen-as-const-headers += \
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tlsdesc.sym \
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# gen-as-const-headers
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endif
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ifeq ($(subdir),elf)
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sysdep-dl-routines += \
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dl-get-cpu-features \
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# sysdep-dl-routines
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# Disable the compiler from using LSX for TLS descriptor tests, or storing into
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# 16B TLS variable may clobber FP/vector registers and prevent us from checking
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# their contents.
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CFLAGS-tst-gnu2-tls2mod0.c += -mno-lsx
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CFLAGS-tst-gnu2-tls2mod1.c += -mno-lsx
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CFLAGS-tst-gnu2-tls2mod2.c += -mno-lsx
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endif
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# LoongArch's assembler also needs to know about PIC as it changes the
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# definition of some assembler macros.
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ASFLAGS-.os += $(pic-ccflag)
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ASFLAGS-.os += \
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$(pic-ccflag) \
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# ASFLAGS-.os
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# All the objects in lib*_nonshared.a need to be compiled with medium code
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# model or large applications may fail to link.
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ifeq (yes,$(have-cmodel-medium))
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CFLAGS-.oS += -mcmodel=medium
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CFLAGS-.oS += \
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-mcmodel=medium \
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# CFLAGS-.oS
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endif
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33
sysdeps/loongarch/configure
vendored
33
sysdeps/loongarch/configure
vendored
@ -110,3 +110,36 @@ if test $libc_cv_loongarch_vec_asm = no; then
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as_fn_error $? "binutils version is too old, use 2.41 or newer version" "$LINENO" 5
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for vector support in compiler" >&5
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printf %s "checking for vector support in compiler... " >&6; }
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if test ${libc_cv_loongarch_vec_com+y}
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then :
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printf %s "(cached) " >&6
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else $as_nop
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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void foo (void)
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{
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asm volatile ("vldi \$vr0, 1" ::: "\$vr0");
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asm volatile ("xvldi \$xr0, 1" ::: "\$xr0");
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"
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then :
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libc_cv_loongarch_vec_com=yes
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else $as_nop
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libc_cv_loongarch_vec_com=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_loongarch_vec_com" >&5
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printf "%s\n" "$libc_cv_loongarch_vec_com" >&6; }
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if test "$libc_cv_loongarch_vec_com" = yes ;
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then
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printf "%s\n" "#define HAVE_LOONGARCH_VEC_COM 1" >>confdefs.h
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fi
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@ -65,3 +65,19 @@ rm -f conftest*])
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if test $libc_cv_loongarch_vec_asm = no; then
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AC_MSG_ERROR([binutils version is too old, use 2.41 or newer version])
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fi
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AC_CACHE_CHECK([for vector support in compiler],
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libc_cv_loongarch_vec_com, [
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
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void foo (void)
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{
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asm volatile ("vldi $vr0, 1" ::: "$vr0");
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asm volatile ("xvldi $xr0, 1" ::: "$xr0");
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}
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]])],
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[libc_cv_loongarch_vec_com=yes],
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[libc_cv_loongarch_vec_com=no])])
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if test "$libc_cv_loongarch_vec_com" = yes ;
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then
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AC_DEFINE(HAVE_LOONGARCH_VEC_COM)
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fi
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@ -25,7 +25,7 @@
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#include <entry.h>
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#include <elf/elf.h>
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#include <sys/asm.h>
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#include <dl-tls.h>
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#include <dl-tlsdesc.h>
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#include <dl-static-tls.h>
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#include <dl-machine-rel.h>
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@ -206,6 +206,36 @@ elf_machine_rela (struct link_map *map, struct r_scope_elem *scope[],
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*addr_field = TLS_TPREL_VALUE (sym_map, sym) + reloc->r_addend;
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break;
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case __WORDSIZE == 64 ? R_LARCH_TLS_DESC64 : R_LARCH_TLS_DESC32:
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{
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struct tlsdesc volatile *td = (struct tlsdesc volatile *)addr_field;
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if (sym == NULL)
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{
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td->arg = (void*)reloc->r_addend;
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td->entry = _dl_tlsdesc_undefweak;
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}
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else
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{
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# ifndef SHARED
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CHECK_STATIC_TLS (map, sym_map);
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# else
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if (!TRY_STATIC_TLS (map, sym_map))
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{
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td->arg = _dl_make_tlsdesc_dynamic (sym_map,
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sym->st_value + reloc->r_addend);
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td->entry = _dl_tlsdesc_dynamic;
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}
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else
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# endif
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{
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td->arg = (void *)(TLS_TPREL_VALUE (sym_map, sym)
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+ reloc->r_addend);
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td->entry = _dl_tlsdesc_return;
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}
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}
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break;
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}
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case R_LARCH_COPY:
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{
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if (sym == NULL)
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@ -274,6 +304,26 @@ elf_machine_lazy_rel (struct link_map *map, struct r_scope_elem *scope[],
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else
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*reloc_addr = map->l_mach.plt;
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}
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else if (__glibc_likely (r_type == R_LARCH_TLS_DESC64)
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|| __glibc_likely (r_type == R_LARCH_TLS_DESC32))
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{
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const Elf_Symndx symndx = ELFW (R_SYM) (reloc->r_info);
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const ElfW (Sym) *symtab = (const void *)D_PTR (map, l_info[DT_SYMTAB]);
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const ElfW (Sym) *sym = &symtab[symndx];
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const struct r_found_version *version = NULL;
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if (map->l_info[VERSYMIDX (DT_VERSYM)] != NULL)
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{
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const ElfW (Half) *vernum = (const void *)D_PTR (map,
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l_info[VERSYMIDX (DT_VERSYM)]);
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version = &map->l_versions[vernum[symndx] & 0x7fff];
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}
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/* Always initialize TLS descriptors completely, because lazy
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initialization requires synchronization at every TLS access. */
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elf_machine_rela (map, scope, reloc, sym, version, reloc_addr,
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skip_ifunc);
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}
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else
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_dl_reloc_bad_type (map, r_type, 1);
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}
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@ -16,6 +16,9 @@
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _DL_TLS_H
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#define _DL_TLS_H
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/* Type used for the representation of TLS information in the GOT. */
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typedef struct
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{
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@ -23,6 +26,8 @@ typedef struct
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unsigned long int ti_offset;
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} tls_index;
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extern void *__tls_get_addr (tls_index *ti);
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/* The thread pointer points to the first static TLS block. */
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#define TLS_TP_OFFSET 0
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@ -37,10 +42,10 @@ typedef struct
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/* Compute the value for a DTPREL reloc. */
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#define TLS_DTPREL_VALUE(sym) ((sym)->st_value - TLS_DTV_OFFSET)
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extern void *__tls_get_addr (tls_index *ti);
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#define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
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#define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
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/* Value used for dtv entries for which the allocation is delayed. */
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#define TLS_DTV_UNALLOCATED ((void *) -1l)
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#endif
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436
sysdeps/loongarch/dl-tlsdesc.S
Normal file
436
sysdeps/loongarch/dl-tlsdesc.S
Normal file
@ -0,0 +1,436 @@
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/* Thread-local storage handling in the ELF dynamic linker.
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LoongArch version.
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Copyright (C) 2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <tls.h>
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#include "tlsdesc.h"
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.text
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/* Compute the thread pointer offset for symbols in the static
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TLS block. The offset is the same for all threads.
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Prototype:
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_dl_tlsdesc_return (tlsdesc *); */
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.hidden _dl_tlsdesc_return
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.global _dl_tlsdesc_return
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.type _dl_tlsdesc_return,%function
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cfi_startproc
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.align 2
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_dl_tlsdesc_return:
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REG_L a0, a0, 8
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RET
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cfi_endproc
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.size _dl_tlsdesc_return, .-_dl_tlsdesc_return
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/* Handler for undefined weak TLS symbols.
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Prototype:
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_dl_tlsdesc_undefweak (tlsdesc *);
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The second word of the descriptor contains the addend.
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Return the addend minus the thread pointer. This ensures
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that when the caller adds on the thread pointer it gets back
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the addend. */
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.hidden _dl_tlsdesc_undefweak
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.global _dl_tlsdesc_undefweak
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.type _dl_tlsdesc_undefweak,%function
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cfi_startproc
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.align 2
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_dl_tlsdesc_undefweak:
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REG_L a0, a0, 8
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sub.d a0, a0, tp
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RET
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cfi_endproc
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.size _dl_tlsdesc_undefweak, .-_dl_tlsdesc_undefweak
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#ifdef SHARED
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#define FRAME_SIZE (-((-14 * SZREG) & ALMASK))
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#define FRAME_SIZE_LSX (-((-32 * SZVREG) & ALMASK))
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#define FRAME_SIZE_LASX (-((-32 * SZXREG) & ALMASK))
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#define FRAME_SIZE_FLOAT (-((-24 * SZFREG) & ALMASK))
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/* Handler for dynamic TLS symbols.
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Prototype:
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_dl_tlsdesc_dynamic (tlsdesc *) ;
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The second word of the descriptor points to a
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tlsdesc_dynamic_arg structure.
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Returns the offset between the thread pointer and the
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object referenced by the argument.
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ptrdiff_t
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_dl_tlsdesc_dynamic (struct tlsdesc *tdp)
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{
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struct tlsdesc_dynamic_arg *td = tdp->arg;
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dtv_t *dtv = *(dtv_t **)((char *)__thread_pointer - TCBHEAD_DTV);
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if (__glibc_likely (td->gen_count <= dtv[0].counter
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&& (dtv[td->tlsinfo.ti_module].pointer.val
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!= TLS_DTV_UNALLOCATED),
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1))
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return dtv[td->tlsinfo.ti_module].pointer.val
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+ td->tlsinfo.ti_offset
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- __thread_pointer;
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return ___tls_get_addr (&td->tlsinfo) - __thread_pointer;
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} */
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.hidden _dl_tlsdesc_dynamic
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.global _dl_tlsdesc_dynamic
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.type _dl_tlsdesc_dynamic,%function
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cfi_startproc
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.align 2
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_dl_tlsdesc_dynamic:
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/* Save just enough registers to support fast path, if we fall
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into slow path we will save additional registers. */
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ADDI sp, sp, -24
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REG_S t0, sp, 0
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REG_S t1, sp, 8
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REG_S t2, sp, 16
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/* Runtime Storage Layout of Thread-Local Storage
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TP point to the start of TLS block.
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dtv
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Low address TCB ----------------> dtv0(counter)
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TP --> static_block0 <----- dtv1
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static_block1 <----- dtv2
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static_block2 <----- dtv3
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dynamic_block0 <----- dtv4
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Hign address dynamic_block1 <----- dtv5 */
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REG_L t0, tp, -SIZE_OF_TCB /* t0 = dtv */
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REG_L a0, a0, TLSDESC_ARG /* a0(td) = tdp->arg */
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REG_L t1, a0, TLSDESC_GEN_COUNT /* t1 = td->gen_count */
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REG_L t2, t0, DTV_COUNTER /* t2 = dtv[0].counter */
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/* If dtv[0].counter < td->gen_count, goto slow path. */
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bltu t2, t1, .Lslow
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REG_L t1, a0, TLSDESC_MODID /* t1 = td->tlsinfo.ti_module */
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/* t1 = t1 * sizeof(dtv_t) = t1 * (2 * sizeof(void*)) */
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slli.d t1, t1, 4
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add.d t1, t1, t0 /* t1 = dtv[td->tlsinfo.ti_module] */
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REG_L t1, t1, 0 /* t1 = dtv[td->tlsinfo.ti_module].pointer.val */
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li.d t2, TLS_DTV_UNALLOCATED
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/* If dtv[td->tlsinfo.ti_module].pointer.val is TLS_DTV_UNALLOCATED,
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goto slow path. */
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beq t1, t2, .Lslow
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REG_L t2, a0, TLSDESC_MODOFF /* t2 = td->tlsinfo.ti_offset */
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/* dtv[td->tlsinfo.ti_module].pointer.val + td->tlsinfo.ti_offset */
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add.d a0, t1, t2
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.Lret:
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sub.d a0, a0, tp
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REG_L t0, sp, 0
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REG_L t1, sp, 8
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REG_L t2, sp, 16
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ADDI sp, sp, 24
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RET
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.Lslow:
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/* This is the slow path. We need to call __tls_get_addr() which
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means we need to save and restore all the register that the
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callee will trash. */
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/* Save the remaining registers that we must treat as caller save. */
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ADDI sp, sp, -FRAME_SIZE
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REG_S ra, sp, 0 * SZREG
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REG_S a1, sp, 1 * SZREG
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REG_S a2, sp, 2 * SZREG
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REG_S a3, sp, 3 * SZREG
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REG_S a4, sp, 4 * SZREG
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REG_S a5, sp, 5 * SZREG
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REG_S a6, sp, 6 * SZREG
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REG_S a7, sp, 7 * SZREG
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REG_S t3, sp, 8 * SZREG
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REG_S t4, sp, 9 * SZREG
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REG_S t5, sp, 10 * SZREG
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REG_S t6, sp, 11 * SZREG
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REG_S t7, sp, 12 * SZREG
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REG_S t8, sp, 13 * SZREG
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#ifndef __loongarch_soft_float
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/* Save fcsr0 register.
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Only one physical fcsr0 register, fcsr1-fcsr3 are aliases
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of some fields in fcsr0. */
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ADDI sp, sp, -SZFCSREG
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movfcsr2gr t0, fcsr0
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st.w t0, sp, 0
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/* Whether support LASX. */
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la.global t0, _rtld_global_ro
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REG_L t0, t0, GLRO_DL_HWCAP_OFFSET
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andi t0, t0, HWCAP_LOONGARCH_LASX
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beqz t0, .Llsx
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/* Save 256-bit vector registers.
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FIXME: Without vector ABI, save all vector registers. */
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ADDI sp, sp, -FRAME_SIZE_LASX
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xvst xr0, sp, 0*SZXREG
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xvst xr1, sp, 1*SZXREG
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xvst xr2, sp, 2*SZXREG
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xvst xr3, sp, 3*SZXREG
|
||||
xvst xr4, sp, 4*SZXREG
|
||||
xvst xr5, sp, 5*SZXREG
|
||||
xvst xr6, sp, 6*SZXREG
|
||||
xvst xr7, sp, 7*SZXREG
|
||||
xvst xr8, sp, 8*SZXREG
|
||||
xvst xr9, sp, 9*SZXREG
|
||||
xvst xr10, sp, 10*SZXREG
|
||||
xvst xr11, sp, 11*SZXREG
|
||||
xvst xr12, sp, 12*SZXREG
|
||||
xvst xr13, sp, 13*SZXREG
|
||||
xvst xr14, sp, 14*SZXREG
|
||||
xvst xr15, sp, 15*SZXREG
|
||||
xvst xr16, sp, 16*SZXREG
|
||||
xvst xr17, sp, 17*SZXREG
|
||||
xvst xr18, sp, 18*SZXREG
|
||||
xvst xr19, sp, 19*SZXREG
|
||||
xvst xr20, sp, 20*SZXREG
|
||||
xvst xr21, sp, 21*SZXREG
|
||||
xvst xr22, sp, 22*SZXREG
|
||||
xvst xr23, sp, 23*SZXREG
|
||||
xvst xr24, sp, 24*SZXREG
|
||||
xvst xr25, sp, 25*SZXREG
|
||||
xvst xr26, sp, 26*SZXREG
|
||||
xvst xr27, sp, 27*SZXREG
|
||||
xvst xr28, sp, 28*SZXREG
|
||||
xvst xr29, sp, 29*SZXREG
|
||||
xvst xr30, sp, 30*SZXREG
|
||||
xvst xr31, sp, 31*SZXREG
|
||||
b .Ltga
|
||||
|
||||
.Llsx:
|
||||
/* Whether support LSX. */
|
||||
andi t0, t0, HWCAP_LOONGARCH_LSX
|
||||
beqz t0, .Lfloat
|
||||
|
||||
/* Save 128-bit vector registers. */
|
||||
ADDI sp, sp, -FRAME_SIZE_LSX
|
||||
vst vr0, sp, 0*SZVREG
|
||||
vst vr1, sp, 1*SZVREG
|
||||
vst vr2, sp, 2*SZVREG
|
||||
vst vr3, sp, 3*SZVREG
|
||||
vst vr4, sp, 4*SZVREG
|
||||
vst vr5, sp, 5*SZVREG
|
||||
vst vr6, sp, 6*SZVREG
|
||||
vst vr7, sp, 7*SZVREG
|
||||
vst vr8, sp, 8*SZVREG
|
||||
vst vr9, sp, 9*SZVREG
|
||||
vst vr10, sp, 10*SZVREG
|
||||
vst vr11, sp, 11*SZVREG
|
||||
vst vr12, sp, 12*SZVREG
|
||||
vst vr13, sp, 13*SZVREG
|
||||
vst vr14, sp, 14*SZVREG
|
||||
vst vr15, sp, 15*SZVREG
|
||||
vst vr16, sp, 16*SZVREG
|
||||
vst vr17, sp, 17*SZVREG
|
||||
vst vr18, sp, 18*SZVREG
|
||||
vst vr19, sp, 19*SZVREG
|
||||
vst vr20, sp, 20*SZVREG
|
||||
vst vr21, sp, 21*SZVREG
|
||||
vst vr22, sp, 22*SZVREG
|
||||
vst vr23, sp, 23*SZVREG
|
||||
vst vr24, sp, 24*SZVREG
|
||||
vst vr25, sp, 25*SZVREG
|
||||
vst vr26, sp, 26*SZVREG
|
||||
vst vr27, sp, 27*SZVREG
|
||||
vst vr28, sp, 28*SZVREG
|
||||
vst vr29, sp, 29*SZVREG
|
||||
vst vr30, sp, 30*SZVREG
|
||||
vst vr31, sp, 31*SZVREG
|
||||
b .Ltga
|
||||
|
||||
.Lfloat:
|
||||
/* Save float registers. */
|
||||
ADDI sp, sp, -FRAME_SIZE_FLOAT
|
||||
FREG_S fa0, sp, 0*SZFREG
|
||||
FREG_S fa1, sp, 1*SZFREG
|
||||
FREG_S fa2, sp, 2*SZFREG
|
||||
FREG_S fa3, sp, 3*SZFREG
|
||||
FREG_S fa4, sp, 4*SZFREG
|
||||
FREG_S fa5, sp, 5*SZFREG
|
||||
FREG_S fa6, sp, 6*SZFREG
|
||||
FREG_S fa7, sp, 7*SZFREG
|
||||
FREG_S ft0, sp, 8*SZFREG
|
||||
FREG_S ft1, sp, 9*SZFREG
|
||||
FREG_S ft2, sp, 10*SZFREG
|
||||
FREG_S ft3, sp, 11*SZFREG
|
||||
FREG_S ft4, sp, 12*SZFREG
|
||||
FREG_S ft5, sp, 13*SZFREG
|
||||
FREG_S ft6, sp, 14*SZFREG
|
||||
FREG_S ft7, sp, 15*SZFREG
|
||||
FREG_S ft8, sp, 16*SZFREG
|
||||
FREG_S ft9, sp, 17*SZFREG
|
||||
FREG_S ft10, sp, 18*SZFREG
|
||||
FREG_S ft11, sp, 19*SZFREG
|
||||
FREG_S ft12, sp, 20*SZFREG
|
||||
FREG_S ft13, sp, 21*SZFREG
|
||||
FREG_S ft14, sp, 22*SZFREG
|
||||
FREG_S ft15, sp, 23*SZFREG
|
||||
|
||||
#endif /* #ifndef __loongarch_soft_float */
|
||||
|
||||
.Ltga:
|
||||
bl HIDDEN_JUMPTARGET(__tls_get_addr)
|
||||
ADDI a0, a0, -TLS_DTV_OFFSET
|
||||
|
||||
#ifndef __loongarch_soft_float
|
||||
|
||||
la.global t0, _rtld_global_ro
|
||||
REG_L t0, t0, GLRO_DL_HWCAP_OFFSET
|
||||
andi t0, t0, HWCAP_LOONGARCH_LASX
|
||||
beqz t0, .Llsx1
|
||||
|
||||
/* Restore 256-bit vector registers. */
|
||||
xvld xr0, sp, 0*SZXREG
|
||||
xvld xr1, sp, 1*SZXREG
|
||||
xvld xr2, sp, 2*SZXREG
|
||||
xvld xr3, sp, 3*SZXREG
|
||||
xvld xr4, sp, 4*SZXREG
|
||||
xvld xr5, sp, 5*SZXREG
|
||||
xvld xr6, sp, 6*SZXREG
|
||||
xvld xr7, sp, 7*SZXREG
|
||||
xvld xr8, sp, 8*SZXREG
|
||||
xvld xr9, sp, 9*SZXREG
|
||||
xvld xr10, sp, 10*SZXREG
|
||||
xvld xr11, sp, 11*SZXREG
|
||||
xvld xr12, sp, 12*SZXREG
|
||||
xvld xr13, sp, 13*SZXREG
|
||||
xvld xr14, sp, 14*SZXREG
|
||||
xvld xr15, sp, 15*SZXREG
|
||||
xvld xr16, sp, 16*SZXREG
|
||||
xvld xr17, sp, 17*SZXREG
|
||||
xvld xr18, sp, 18*SZXREG
|
||||
xvld xr19, sp, 19*SZXREG
|
||||
xvld xr20, sp, 20*SZXREG
|
||||
xvld xr21, sp, 21*SZXREG
|
||||
xvld xr22, sp, 22*SZXREG
|
||||
xvld xr23, sp, 23*SZXREG
|
||||
xvld xr24, sp, 24*SZXREG
|
||||
xvld xr25, sp, 25*SZXREG
|
||||
xvld xr26, sp, 26*SZXREG
|
||||
xvld xr27, sp, 27*SZXREG
|
||||
xvld xr28, sp, 28*SZXREG
|
||||
xvld xr29, sp, 29*SZXREG
|
||||
xvld xr30, sp, 30*SZXREG
|
||||
xvld xr31, sp, 31*SZXREG
|
||||
ADDI sp, sp, FRAME_SIZE_LASX
|
||||
b .Lfcsr
|
||||
|
||||
.Llsx1:
|
||||
andi t0, s0, HWCAP_LOONGARCH_LSX
|
||||
beqz t0, .Lfloat1
|
||||
|
||||
/* Restore 128-bit vector registers. */
|
||||
vld vr0, sp, 0*SZVREG
|
||||
vld vr1, sp, 1*SZVREG
|
||||
vld vr2, sp, 2*SZVREG
|
||||
vld vr3, sp, 3*SZVREG
|
||||
vld vr4, sp, 4*SZVREG
|
||||
vld vr5, sp, 5*SZVREG
|
||||
vld vr6, sp, 6*SZVREG
|
||||
vld vr7, sp, 7*SZVREG
|
||||
vld vr8, sp, 8*SZVREG
|
||||
vld vr9, sp, 9*SZVREG
|
||||
vld vr10, sp, 10*SZVREG
|
||||
vld vr11, sp, 11*SZVREG
|
||||
vld vr12, sp, 12*SZVREG
|
||||
vld vr13, sp, 13*SZVREG
|
||||
vld vr14, sp, 14*SZVREG
|
||||
vld vr15, sp, 15*SZVREG
|
||||
vld vr16, sp, 16*SZVREG
|
||||
vld vr17, sp, 17*SZVREG
|
||||
vld vr18, sp, 18*SZVREG
|
||||
vld vr19, sp, 19*SZVREG
|
||||
vld vr20, sp, 20*SZVREG
|
||||
vld vr21, sp, 21*SZVREG
|
||||
vld vr22, sp, 22*SZVREG
|
||||
vld vr23, sp, 23*SZVREG
|
||||
vld vr24, sp, 24*SZVREG
|
||||
vld vr25, sp, 25*SZVREG
|
||||
vld vr26, sp, 26*SZVREG
|
||||
vld vr27, sp, 27*SZVREG
|
||||
vld vr28, sp, 28*SZVREG
|
||||
vld vr29, sp, 29*SZVREG
|
||||
vld vr30, sp, 30*SZVREG
|
||||
vld vr31, sp, 31*SZVREG
|
||||
ADDI sp, sp, FRAME_SIZE_LSX
|
||||
b .Lfcsr
|
||||
|
||||
.Lfloat1:
|
||||
/* Restore float registers. */
|
||||
FREG_L fa0, sp, 0*SZFREG
|
||||
FREG_L fa1, sp, 1*SZFREG
|
||||
FREG_L fa2, sp, 2*SZFREG
|
||||
FREG_L fa3, sp, 3*SZFREG
|
||||
FREG_L fa4, sp, 4*SZFREG
|
||||
FREG_L fa5, sp, 5*SZFREG
|
||||
FREG_L fa6, sp, 6*SZFREG
|
||||
FREG_L fa7, sp, 7*SZFREG
|
||||
FREG_L ft0, sp, 8*SZFREG
|
||||
FREG_L ft1, sp, 9*SZFREG
|
||||
FREG_L ft2, sp, 10*SZFREG
|
||||
FREG_L ft3, sp, 11*SZFREG
|
||||
FREG_L ft4, sp, 12*SZFREG
|
||||
FREG_L ft5, sp, 13*SZFREG
|
||||
FREG_L ft6, sp, 14*SZFREG
|
||||
FREG_L ft7, sp, 15*SZFREG
|
||||
FREG_L ft8, sp, 16*SZFREG
|
||||
FREG_L ft9, sp, 17*SZFREG
|
||||
FREG_L ft10, sp, 18*SZFREG
|
||||
FREG_L ft11, sp, 19*SZFREG
|
||||
FREG_L ft12, sp, 20*SZFREG
|
||||
FREG_L ft13, sp, 21*SZFREG
|
||||
FREG_L ft14, sp, 22*SZFREG
|
||||
FREG_L ft15, sp, 23*SZFREG
|
||||
ADDI sp, sp, FRAME_SIZE_FLOAT
|
||||
|
||||
.Lfcsr:
|
||||
/* Restore fcsr0 register. */
|
||||
ld.w t0, sp, 0
|
||||
movgr2fcsr fcsr0, t0
|
||||
ADDI sp, sp, SZFCSREG
|
||||
|
||||
#endif /* #ifndef __loongarch_soft_float */
|
||||
|
||||
REG_L ra, sp, 0 * SZREG
|
||||
REG_L a1, sp, 1 * SZREG
|
||||
REG_L a2, sp, 2 * SZREG
|
||||
REG_L a3, sp, 3 * SZREG
|
||||
REG_L a4, sp, 4 * SZREG
|
||||
REG_L a5, sp, 5 * SZREG
|
||||
REG_L a6, sp, 6 * SZREG
|
||||
REG_L a7, sp, 7 * SZREG
|
||||
REG_L t3, sp, 8 * SZREG
|
||||
REG_L t4, sp, 9 * SZREG
|
||||
REG_L t5, sp, 10 * SZREG
|
||||
REG_L t6, sp, 11 * SZREG
|
||||
REG_L t7, sp, 12 * SZREG
|
||||
REG_L t8, sp, 13 * SZREG
|
||||
ADDI sp, sp, FRAME_SIZE
|
||||
|
||||
b .Lret
|
||||
cfi_endproc
|
||||
.size _dl_tlsdesc_dynamic, .-_dl_tlsdesc_dynamic
|
||||
.hidden HIDDEN_JUMPTARGET(__tls_get_addr)
|
||||
|
||||
#endif /* #ifdef SHARED */
|
||||
49
sysdeps/loongarch/dl-tlsdesc.h
Normal file
49
sysdeps/loongarch/dl-tlsdesc.h
Normal file
@ -0,0 +1,49 @@
|
||||
/* Thread-local storage descriptor handling in the ELF dynamic linker.
|
||||
LoongArch version.
|
||||
Copyright (C) 2024 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _DL_TLSDESC_H
|
||||
#define _DL_TLSDESC_H
|
||||
|
||||
#include <dl-tls.h>
|
||||
|
||||
/* Type used to represent a TLS descriptor in the GOT. */
|
||||
struct tlsdesc
|
||||
{
|
||||
ptrdiff_t (*entry) (struct tlsdesc *);
|
||||
void *arg;
|
||||
};
|
||||
|
||||
/* Type used as the argument in a TLS descriptor for a symbol that
|
||||
needs dynamic TLS offsets. */
|
||||
struct tlsdesc_dynamic_arg
|
||||
{
|
||||
tls_index tlsinfo;
|
||||
size_t gen_count;
|
||||
};
|
||||
|
||||
extern ptrdiff_t attribute_hidden _dl_tlsdesc_return (struct tlsdesc *);
|
||||
extern ptrdiff_t attribute_hidden _dl_tlsdesc_undefweak (struct tlsdesc *);
|
||||
|
||||
#ifdef SHARED
|
||||
extern void *_dl_make_tlsdesc_dynamic (struct link_map *, size_t);
|
||||
extern ptrdiff_t attribute_hidden _dl_tlsdesc_dynamic (struct tlsdesc *);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@ -18,5 +18,6 @@
|
||||
|
||||
struct link_map_machine
|
||||
{
|
||||
ElfW (Addr) plt; /* Address of .plt. */
|
||||
ElfW (Addr) plt; /* Address of .plt. */
|
||||
void *tlsdesc_table; /* Address of TLS descriptor hash table. */
|
||||
};
|
||||
|
||||
@ -43,6 +43,7 @@ loongarch*)
|
||||
|
||||
|
||||
base_machine=loongarch
|
||||
mtls_descriptor=desc
|
||||
;;
|
||||
esac
|
||||
|
||||
|
||||
@ -25,6 +25,7 @@
|
||||
/* Macros to handle different pointer/register sizes for 32/64-bit code. */
|
||||
#define SZREG 8
|
||||
#define SZFREG 8
|
||||
#define SZFCSREG 4
|
||||
#define SZVREG 16
|
||||
#define SZXREG 32
|
||||
#define REG_L ld.d
|
||||
|
||||
@ -97,6 +97,7 @@
|
||||
#define fcc5 $fcc5
|
||||
#define fcc6 $fcc6
|
||||
#define fcc7 $fcc7
|
||||
#define fcsr0 $fcsr0
|
||||
|
||||
#define vr0 $vr0
|
||||
#define vr1 $vr1
|
||||
|
||||
39
sysdeps/loongarch/tlsdesc.c
Normal file
39
sysdeps/loongarch/tlsdesc.c
Normal file
@ -0,0 +1,39 @@
|
||||
/* Manage TLS descriptors. LoongArch64 version.
|
||||
|
||||
Copyright (C) 2024 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <ldsodefs.h>
|
||||
#include <tls.h>
|
||||
#include <dl-tlsdesc.h>
|
||||
#include <dl-unmap-segments.h>
|
||||
#include <tlsdeschtab.h>
|
||||
|
||||
/* Unmap the dynamic object, but also release its TLS descriptor table
|
||||
if there is one. */
|
||||
|
||||
void
|
||||
_dl_unmap (struct link_map *map)
|
||||
{
|
||||
_dl_unmap_segments (map);
|
||||
|
||||
#ifdef SHARED
|
||||
if (map->l_mach.tlsdesc_table)
|
||||
htab_delete (map->l_mach.tlsdesc_table);
|
||||
#endif
|
||||
}
|
||||
28
sysdeps/loongarch/tlsdesc.sym
Normal file
28
sysdeps/loongarch/tlsdesc.sym
Normal file
@ -0,0 +1,28 @@
|
||||
#include <stddef.h>
|
||||
#include <sysdep.h>
|
||||
#include <tls.h>
|
||||
#include <link.h>
|
||||
#include <dl-tlsdesc.h>
|
||||
|
||||
#define SHARED 1
|
||||
|
||||
#include <ldsodefs.h>
|
||||
|
||||
#define GLRO_offsetof(name) offsetof (struct rtld_global_ro, _##name)
|
||||
|
||||
--
|
||||
|
||||
-- Abuse tls.h macros to derive offsets relative to the thread register.
|
||||
|
||||
TLSDESC_ARG offsetof(struct tlsdesc, arg)
|
||||
TLSDESC_GEN_COUNT offsetof(struct tlsdesc_dynamic_arg, gen_count)
|
||||
TLSDESC_MODID offsetof(struct tlsdesc_dynamic_arg, tlsinfo.ti_module)
|
||||
TLSDESC_MODOFF offsetof(struct tlsdesc_dynamic_arg, tlsinfo.ti_offset)
|
||||
TCBHEAD_DTV offsetof(tcbhead_t, dtv)
|
||||
DTV_COUNTER offsetof(dtv_t, counter)
|
||||
TLS_DTV_UNALLOCATED TLS_DTV_UNALLOCATED
|
||||
TLS_DTV_OFFSET TLS_DTV_OFFSET
|
||||
SIZE_OF_TCB sizeof(tcbhead_t)
|
||||
GLRO_DL_HWCAP_OFFSET GLRO_offsetof (dl_hwcap)
|
||||
HWCAP_LOONGARCH_LSX HWCAP_LOONGARCH_LSX
|
||||
HWCAP_LOONGARCH_LASX HWCAP_LOONGARCH_LASX
|
||||
377
sysdeps/loongarch/tst-gnu2-tls2.h
Normal file
377
sysdeps/loongarch/tst-gnu2-tls2.h
Normal file
@ -0,0 +1,377 @@
|
||||
/* Test TLSDESC relocation. LoongArch64 version.
|
||||
Copyright (C) 2024 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <config.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/auxv.h>
|
||||
|
||||
/* The instruction between BEFORE_TLSDESC_CALL and _dl_tlsdesc_dynamic,
|
||||
and the instruction between _dl_tlsdesc_dynamic and AFTER_TLSDESC_CALL,
|
||||
may modified most of the general-purpose register. */
|
||||
#define SAVE_REGISTER(src) \
|
||||
asm volatile ("st.d $r3, %0" :"=m"(src) :);
|
||||
|
||||
#ifdef __loongarch_soft_float
|
||||
|
||||
#define BEFORE_TLSDESC_CALL() \
|
||||
uint64_t src; \
|
||||
SAVE_REGISTER (src);
|
||||
|
||||
#define AFTER_TLSDESC_CALL() \
|
||||
uint64_t restore; \
|
||||
SAVE_REGISTER (restore); \
|
||||
if (src != restore) \
|
||||
abort ();
|
||||
|
||||
#else /* hard float */
|
||||
|
||||
#define SAVE_REGISTER_FCC(src) \
|
||||
asm volatile ("movcf2gr $t0, $fcc0" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[0]) :); \
|
||||
asm volatile ("movcf2gr $t0, $fcc1" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[1]) :); \
|
||||
asm volatile ("movcf2gr $t0, $fcc2" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[2]) :); \
|
||||
asm volatile ("movcf2gr $t0, $fcc3" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[3]) :); \
|
||||
asm volatile ("movcf2gr $t0, $fcc4" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[4]) :); \
|
||||
asm volatile ("movcf2gr $t0, $fcc5" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[5]) :); \
|
||||
asm volatile ("movcf2gr $t0, $fcc6" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[6]) :); \
|
||||
asm volatile ("movcf2gr $t0, $fcc7" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(src[7]) :);
|
||||
|
||||
#define LOAD_REGISTER_FCSR() \
|
||||
asm volatile ("li.d $t0, 0x01010101" ::: "$t0"); \
|
||||
asm volatile ("movgr2fcsr $fcsr0, $t0" :::);
|
||||
|
||||
#define SAVE_REGISTER_FCSR() \
|
||||
asm volatile ("movfcsr2gr $t0, $fcsr0" ::: "$t0"); \
|
||||
asm volatile ("st.d $t0, %0" :"=m"(restore_fcsr) :);
|
||||
|
||||
# define INIT_TLSDESC_CALL() \
|
||||
unsigned long hwcap = getauxval (AT_HWCAP);
|
||||
|
||||
#define LOAD_REGISTER_FLOAT() \
|
||||
asm volatile ("fld.d $f0, %0" ::"m"(src_float[0]) :"$f0"); \
|
||||
asm volatile ("fld.d $f1, %0" ::"m"(src_float[1]) :"$f1"); \
|
||||
asm volatile ("fld.d $f2, %0" ::"m"(src_float[2]) :"$f2"); \
|
||||
asm volatile ("fld.d $f3, %0" ::"m"(src_float[3]) :"$f3"); \
|
||||
asm volatile ("fld.d $f4, %0" ::"m"(src_float[4]) :"$f4"); \
|
||||
asm volatile ("fld.d $f5, %0" ::"m"(src_float[5]) :"$f5"); \
|
||||
asm volatile ("fld.d $f6, %0" ::"m"(src_float[6]) :"$f6"); \
|
||||
asm volatile ("fld.d $f7, %0" ::"m"(src_float[7]) :"$f7"); \
|
||||
asm volatile ("fld.d $f8, %0" ::"m"(src_float[8]) :"$f8"); \
|
||||
asm volatile ("fld.d $f9, %0" ::"m"(src_float[9]) :"$f9"); \
|
||||
asm volatile ("fld.d $f10, %0" ::"m"(src_float[10]) :"$f10"); \
|
||||
asm volatile ("fld.d $f11, %0" ::"m"(src_float[11]) :"$f11"); \
|
||||
asm volatile ("fld.d $f12, %0" ::"m"(src_float[12]) :"$f12"); \
|
||||
asm volatile ("fld.d $f13, %0" ::"m"(src_float[13]) :"$f13"); \
|
||||
asm volatile ("fld.d $f14, %0" ::"m"(src_float[14]) :"$f14"); \
|
||||
asm volatile ("fld.d $f15, %0" ::"m"(src_float[15]) :"$f15"); \
|
||||
asm volatile ("fld.d $f16, %0" ::"m"(src_float[16]) :"$f16"); \
|
||||
asm volatile ("fld.d $f17, %0" ::"m"(src_float[17]) :"$f17"); \
|
||||
asm volatile ("fld.d $f18, %0" ::"m"(src_float[18]) :"$f18"); \
|
||||
asm volatile ("fld.d $f19, %0" ::"m"(src_float[19]) :"$f19"); \
|
||||
asm volatile ("fld.d $f20, %0" ::"m"(src_float[20]) :"$f20"); \
|
||||
asm volatile ("fld.d $f21, %0" ::"m"(src_float[21]) :"$f21"); \
|
||||
asm volatile ("fld.d $f22, %0" ::"m"(src_float[22]) :"$f22"); \
|
||||
asm volatile ("fld.d $f23, %0" ::"m"(src_float[23]) :"$f23"); \
|
||||
asm volatile ("fld.d $f24, %0" ::"m"(src_float[24]) :"$f24"); \
|
||||
asm volatile ("fld.d $f25, %0" ::"m"(src_float[25]) :"$f25"); \
|
||||
asm volatile ("fld.d $f26, %0" ::"m"(src_float[26]) :"$f26"); \
|
||||
asm volatile ("fld.d $f27, %0" ::"m"(src_float[27]) :"$f27"); \
|
||||
asm volatile ("fld.d $f28, %0" ::"m"(src_float[28]) :"$f28"); \
|
||||
asm volatile ("fld.d $f29, %0" ::"m"(src_float[29]) :"$f29"); \
|
||||
asm volatile ("fld.d $f30, %0" ::"m"(src_float[30]) :"$f30"); \
|
||||
asm volatile ("fld.d $f31, %0" ::"m"(src_float[31]) :"$f31");
|
||||
|
||||
#define SAVE_REGISTER_FLOAT() \
|
||||
asm volatile ("fst.d $f0, %0" :"=m"(restore_float[0]) :); \
|
||||
asm volatile ("fst.d $f1, %0" :"=m"(restore_float[1]) :); \
|
||||
asm volatile ("fst.d $f2, %0" :"=m"(restore_float[2]) :); \
|
||||
asm volatile ("fst.d $f3, %0" :"=m"(restore_float[3]) :); \
|
||||
asm volatile ("fst.d $f4, %0" :"=m"(restore_float[4]) :); \
|
||||
asm volatile ("fst.d $f5, %0" :"=m"(restore_float[5]) :); \
|
||||
asm volatile ("fst.d $f6, %0" :"=m"(restore_float[6]) :); \
|
||||
asm volatile ("fst.d $f7, %0" :"=m"(restore_float[7]) :); \
|
||||
asm volatile ("fst.d $f8, %0" :"=m"(restore_float[8]) :); \
|
||||
asm volatile ("fst.d $f9, %0" :"=m"(restore_float[9]) :); \
|
||||
asm volatile ("fst.d $f10, %0" :"=m"(restore_float[10]) :); \
|
||||
asm volatile ("fst.d $f11, %0" :"=m"(restore_float[11]) :); \
|
||||
asm volatile ("fst.d $f12, %0" :"=m"(restore_float[12]) :); \
|
||||
asm volatile ("fst.d $f13, %0" :"=m"(restore_float[13]) :); \
|
||||
asm volatile ("fst.d $f14, %0" :"=m"(restore_float[14]) :); \
|
||||
asm volatile ("fst.d $f15, %0" :"=m"(restore_float[15]) :); \
|
||||
asm volatile ("fst.d $f16, %0" :"=m"(restore_float[16]) :); \
|
||||
asm volatile ("fst.d $f17, %0" :"=m"(restore_float[17]) :); \
|
||||
asm volatile ("fst.d $f18, %0" :"=m"(restore_float[18]) :); \
|
||||
asm volatile ("fst.d $f19, %0" :"=m"(restore_float[19]) :); \
|
||||
asm volatile ("fst.d $f20, %0" :"=m"(restore_float[20]) :); \
|
||||
asm volatile ("fst.d $f21, %0" :"=m"(restore_float[21]) :); \
|
||||
asm volatile ("fst.d $f22, %0" :"=m"(restore_float[22]) :); \
|
||||
asm volatile ("fst.d $f23, %0" :"=m"(restore_float[23]) :); \
|
||||
asm volatile ("fst.d $f24, %0" :"=m"(restore_float[24]) :); \
|
||||
asm volatile ("fst.d $f25, %0" :"=m"(restore_float[25]) :); \
|
||||
asm volatile ("fst.d $f26, %0" :"=m"(restore_float[26]) :); \
|
||||
asm volatile ("fst.d $f27, %0" :"=m"(restore_float[27]) :); \
|
||||
asm volatile ("fst.d $f28, %0" :"=m"(restore_float[28]) :); \
|
||||
asm volatile ("fst.d $f29, %0" :"=m"(restore_float[29]) :); \
|
||||
asm volatile ("fst.d $f30, %0" :"=m"(restore_float[30]) :); \
|
||||
asm volatile ("fst.d $f31, %0" :"=m"(restore_float[31]) :);
|
||||
|
||||
#ifdef HAVE_LOONGARCH_VEC_COM
|
||||
#define LOAD_REGISTER_LSX() \
|
||||
/* Every byte in $vr0 is 1. */ \
|
||||
asm volatile ("vldi $vr0, 1" ::: "$vr0"); \
|
||||
asm volatile ("vldi $vr1, 2" ::: "$vr1"); \
|
||||
asm volatile ("vldi $vr2, 3" ::: "$vr2"); \
|
||||
asm volatile ("vldi $vr3, 4" ::: "$vr3"); \
|
||||
asm volatile ("vldi $vr4, 5" ::: "$vr4"); \
|
||||
asm volatile ("vldi $vr5, 6" ::: "$vr5"); \
|
||||
asm volatile ("vldi $vr6, 7" ::: "$vr6"); \
|
||||
asm volatile ("vldi $vr7, 8" ::: "$vr7"); \
|
||||
asm volatile ("vldi $vr8, 9" ::: "$vr8"); \
|
||||
asm volatile ("vldi $vr9, 10" ::: "$vr9"); \
|
||||
asm volatile ("vldi $vr10, 11" ::: "$vr10"); \
|
||||
asm volatile ("vldi $vr11, 12" ::: "$vr11"); \
|
||||
asm volatile ("vldi $vr12, 13" ::: "$vr12"); \
|
||||
asm volatile ("vldi $vr13, 14" ::: "$vr13"); \
|
||||
asm volatile ("vldi $vr14, 15" ::: "$vr14"); \
|
||||
asm volatile ("vldi $vr15, 16" ::: "$vr15"); \
|
||||
asm volatile ("vldi $vr16, 17" ::: "$vr16"); \
|
||||
asm volatile ("vldi $vr17, 18" ::: "$vr17"); \
|
||||
asm volatile ("vldi $vr18, 19" ::: "$vr18"); \
|
||||
asm volatile ("vldi $vr19, 20" ::: "$vr19"); \
|
||||
asm volatile ("vldi $vr20, 21" ::: "$vr20"); \
|
||||
asm volatile ("vldi $vr21, 22" ::: "$vr21"); \
|
||||
asm volatile ("vldi $vr22, 23" ::: "$vr22"); \
|
||||
asm volatile ("vldi $vr23, 24" ::: "$vr23"); \
|
||||
asm volatile ("vldi $vr24, 25" ::: "$vr24"); \
|
||||
asm volatile ("vldi $vr25, 26" ::: "$vr25"); \
|
||||
asm volatile ("vldi $vr26, 27" ::: "$vr26"); \
|
||||
asm volatile ("vldi $vr27, 28" ::: "$vr27"); \
|
||||
asm volatile ("vldi $vr28, 29" ::: "$vr28"); \
|
||||
asm volatile ("vldi $vr29, 30" ::: "$vr29"); \
|
||||
asm volatile ("vldi $vr30, 31" ::: "$vr30"); \
|
||||
asm volatile ("vldi $vr31, 32" ::: "$vr31");
|
||||
#else
|
||||
#define LOAD_REGISTER_LSX()
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_LOONGARCH_VEC_COM
|
||||
#define SAVE_REGISTER_LSX() \
|
||||
int src_lsx[32][4]; \
|
||||
int restore_lsx[32][4]; \
|
||||
asm volatile ("vst $vr0, %0" :"=m"(restore_lsx[0]) :); \
|
||||
asm volatile ("vst $vr1, %0" :"=m"(restore_lsx[1]) :); \
|
||||
asm volatile ("vst $vr2, %0" :"=m"(restore_lsx[2]) :); \
|
||||
asm volatile ("vst $vr3, %0" :"=m"(restore_lsx[3]) :); \
|
||||
asm volatile ("vst $vr4, %0" :"=m"(restore_lsx[4]) :); \
|
||||
asm volatile ("vst $vr5, %0" :"=m"(restore_lsx[5]) :); \
|
||||
asm volatile ("vst $vr6, %0" :"=m"(restore_lsx[6]) :); \
|
||||
asm volatile ("vst $vr7, %0" :"=m"(restore_lsx[7]) :); \
|
||||
asm volatile ("vst $vr8, %0" :"=m"(restore_lsx[8]) :); \
|
||||
asm volatile ("vst $vr9, %0" :"=m"(restore_lsx[9]) :); \
|
||||
asm volatile ("vst $vr10, %0" :"=m"(restore_lsx[10]) :); \
|
||||
asm volatile ("vst $vr11, %0" :"=m"(restore_lsx[11]) :); \
|
||||
asm volatile ("vst $vr12, %0" :"=m"(restore_lsx[12]) :); \
|
||||
asm volatile ("vst $vr13, %0" :"=m"(restore_lsx[13]) :); \
|
||||
asm volatile ("vst $vr14, %0" :"=m"(restore_lsx[14]) :); \
|
||||
asm volatile ("vst $vr15, %0" :"=m"(restore_lsx[15]) :); \
|
||||
asm volatile ("vst $vr16, %0" :"=m"(restore_lsx[16]) :); \
|
||||
asm volatile ("vst $vr17, %0" :"=m"(restore_lsx[17]) :); \
|
||||
asm volatile ("vst $vr18, %0" :"=m"(restore_lsx[18]) :); \
|
||||
asm volatile ("vst $vr19, %0" :"=m"(restore_lsx[19]) :); \
|
||||
asm volatile ("vst $vr20, %0" :"=m"(restore_lsx[20]) :); \
|
||||
asm volatile ("vst $vr21, %0" :"=m"(restore_lsx[21]) :); \
|
||||
asm volatile ("vst $vr22, %0" :"=m"(restore_lsx[22]) :); \
|
||||
asm volatile ("vst $vr23, %0" :"=m"(restore_lsx[23]) :); \
|
||||
asm volatile ("vst $vr24, %0" :"=m"(restore_lsx[24]) :); \
|
||||
asm volatile ("vst $vr25, %0" :"=m"(restore_lsx[25]) :); \
|
||||
asm volatile ("vst $vr26, %0" :"=m"(restore_lsx[26]) :); \
|
||||
asm volatile ("vst $vr27, %0" :"=m"(restore_lsx[27]) :); \
|
||||
asm volatile ("vst $vr28, %0" :"=m"(restore_lsx[28]) :); \
|
||||
asm volatile ("vst $vr29, %0" :"=m"(restore_lsx[29]) :); \
|
||||
asm volatile ("vst $vr30, %0" :"=m"(restore_lsx[30]) :); \
|
||||
asm volatile ("vst $vr31, %0" :"=m"(restore_lsx[31]) :); \
|
||||
for (int i = 0; i < 32; i++) \
|
||||
for (int j = 0; j < 4; j++) \
|
||||
{ \
|
||||
src_lsx[i][j] = 0x01010101 * (i + 1); \
|
||||
if (src_lsx[i][j] != restore_lsx[i][j]) \
|
||||
abort (); \
|
||||
}
|
||||
#else
|
||||
#define SAVE_REGISTER_LSX()
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_LOONGARCH_VEC_COM
|
||||
#define LOAD_REGISTER_LASX() \
|
||||
/* Every byte in $xr0 is 1. */ \
|
||||
asm volatile ("xvldi $xr0, 1" ::: "$xr0"); \
|
||||
asm volatile ("xvldi $xr1, 2" ::: "$xr1"); \
|
||||
asm volatile ("xvldi $xr2, 3" ::: "$xr2"); \
|
||||
asm volatile ("xvldi $xr3, 4" ::: "$xr3"); \
|
||||
asm volatile ("xvldi $xr4, 5" ::: "$xr4"); \
|
||||
asm volatile ("xvldi $xr5, 6" ::: "$xr5"); \
|
||||
asm volatile ("xvldi $xr6, 7" ::: "$xr6"); \
|
||||
asm volatile ("xvldi $xr7, 8" ::: "$xr7"); \
|
||||
asm volatile ("xvldi $xr8, 9" ::: "$xr8"); \
|
||||
asm volatile ("xvldi $xr9, 10" ::: "$xr9"); \
|
||||
asm volatile ("xvldi $xr10, 11" ::: "$xr10"); \
|
||||
asm volatile ("xvldi $xr11, 12" ::: "$xr11"); \
|
||||
asm volatile ("xvldi $xr12, 13" ::: "$xr12"); \
|
||||
asm volatile ("xvldi $xr13, 14" ::: "$xr13"); \
|
||||
asm volatile ("xvldi $xr14, 15" ::: "$xr14"); \
|
||||
asm volatile ("xvldi $xr15, 16" ::: "$xr15"); \
|
||||
asm volatile ("xvldi $xr16, 17" ::: "$xr16"); \
|
||||
asm volatile ("xvldi $xr17, 18" ::: "$xr17"); \
|
||||
asm volatile ("xvldi $xr18, 19" ::: "$xr18"); \
|
||||
asm volatile ("xvldi $xr19, 20" ::: "$xr19"); \
|
||||
asm volatile ("xvldi $xr20, 21" ::: "$xr20"); \
|
||||
asm volatile ("xvldi $xr21, 22" ::: "$xr21"); \
|
||||
asm volatile ("xvldi $xr22, 23" ::: "$xr22"); \
|
||||
asm volatile ("xvldi $xr23, 24" ::: "$xr23"); \
|
||||
asm volatile ("xvldi $xr24, 25" ::: "$xr24"); \
|
||||
asm volatile ("xvldi $xr25, 26" ::: "$xr25"); \
|
||||
asm volatile ("xvldi $xr26, 27" ::: "$xr26"); \
|
||||
asm volatile ("xvldi $xr27, 28" ::: "$xr27"); \
|
||||
asm volatile ("xvldi $xr28, 29" ::: "$xr28"); \
|
||||
asm volatile ("xvldi $xr29, 30" ::: "$xr29"); \
|
||||
asm volatile ("xvldi $xr30, 31" ::: "$xr30"); \
|
||||
asm volatile ("xvldi $xr31, 32" ::: "$xr31");
|
||||
#else
|
||||
#define LOAD_REGISTER_LASX()
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_LOONGARCH_VEC_COM
|
||||
#define SAVE_REGISTER_LASX() \
|
||||
int src_lasx[32][8]; \
|
||||
int restore_lasx[32][8]; \
|
||||
asm volatile ("xvst $xr0, %0" :"=m"(restore_lasx[0]) :); \
|
||||
asm volatile ("xvst $xr1, %0" :"=m"(restore_lasx[1]) :); \
|
||||
asm volatile ("xvst $xr2, %0" :"=m"(restore_lasx[2]) :); \
|
||||
asm volatile ("xvst $xr3, %0" :"=m"(restore_lasx[3]) :); \
|
||||
asm volatile ("xvst $xr4, %0" :"=m"(restore_lasx[4]) :); \
|
||||
asm volatile ("xvst $xr5, %0" :"=m"(restore_lasx[5]) :); \
|
||||
asm volatile ("xvst $xr6, %0" :"=m"(restore_lasx[6]) :); \
|
||||
asm volatile ("xvst $xr7, %0" :"=m"(restore_lasx[7]) :); \
|
||||
asm volatile ("xvst $xr8, %0" :"=m"(restore_lasx[8]) :); \
|
||||
asm volatile ("xvst $xr9, %0" :"=m"(restore_lasx[9]) :); \
|
||||
asm volatile ("xvst $xr10, %0" :"=m"(restore_lasx[10]) :); \
|
||||
asm volatile ("xvst $xr11, %0" :"=m"(restore_lasx[11]) :); \
|
||||
asm volatile ("xvst $xr12, %0" :"=m"(restore_lasx[12]) :); \
|
||||
asm volatile ("xvst $xr13, %0" :"=m"(restore_lasx[13]) :); \
|
||||
asm volatile ("xvst $xr14, %0" :"=m"(restore_lasx[14]) :); \
|
||||
asm volatile ("xvst $xr15, %0" :"=m"(restore_lasx[15]) :); \
|
||||
asm volatile ("xvst $xr16, %0" :"=m"(restore_lasx[16]) :); \
|
||||
asm volatile ("xvst $xr17, %0" :"=m"(restore_lasx[17]) :); \
|
||||
asm volatile ("xvst $xr18, %0" :"=m"(restore_lasx[18]) :); \
|
||||
asm volatile ("xvst $xr19, %0" :"=m"(restore_lasx[19]) :); \
|
||||
asm volatile ("xvst $xr20, %0" :"=m"(restore_lasx[20]) :); \
|
||||
asm volatile ("xvst $xr21, %0" :"=m"(restore_lasx[21]) :); \
|
||||
asm volatile ("xvst $xr22, %0" :"=m"(restore_lasx[22]) :); \
|
||||
asm volatile ("xvst $xr23, %0" :"=m"(restore_lasx[23]) :); \
|
||||
asm volatile ("xvst $xr24, %0" :"=m"(restore_lasx[24]) :); \
|
||||
asm volatile ("xvst $xr25, %0" :"=m"(restore_lasx[25]) :); \
|
||||
asm volatile ("xvst $xr26, %0" :"=m"(restore_lasx[26]) :); \
|
||||
asm volatile ("xvst $xr27, %0" :"=m"(restore_lasx[27]) :); \
|
||||
asm volatile ("xvst $xr28, %0" :"=m"(restore_lasx[28]) :); \
|
||||
asm volatile ("xvst $xr29, %0" :"=m"(restore_lasx[29]) :); \
|
||||
asm volatile ("xvst $xr30, %0" :"=m"(restore_lasx[30]) :); \
|
||||
asm volatile ("xvst $xr31, %0" :"=m"(restore_lasx[31]) :); \
|
||||
for (int i = 0; i < 32; i++) \
|
||||
for (int j = 0; j < 8; j++) \
|
||||
{ \
|
||||
src_lasx[i][j] = 0x01010101 * (i + 1); \
|
||||
if (src_lasx[i][j] != restore_lasx[i][j]) \
|
||||
abort (); \
|
||||
}
|
||||
#else
|
||||
#define SAVE_REGISTER_LASX()
|
||||
#endif
|
||||
|
||||
#define BEFORE_TLSDESC_CALL() \
|
||||
uint64_t src; \
|
||||
double src_float[32]; \
|
||||
uint64_t src_fcc[8]; \
|
||||
for (int i = 0; i < 32; i++) \
|
||||
src_float[i] = i + 1; \
|
||||
\
|
||||
SAVE_REGISTER (src); \
|
||||
LOAD_REGISTER_FCSR (); \
|
||||
SAVE_REGISTER_FCC(src_fcc) \
|
||||
\
|
||||
if (hwcap & HWCAP_LOONGARCH_LASX) \
|
||||
{ \
|
||||
LOAD_REGISTER_LASX (); \
|
||||
} \
|
||||
else if (hwcap & HWCAP_LOONGARCH_LSX) \
|
||||
{ \
|
||||
LOAD_REGISTER_LSX (); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
LOAD_REGISTER_FLOAT (); \
|
||||
}
|
||||
|
||||
#define AFTER_TLSDESC_CALL() \
|
||||
uint64_t restore; \
|
||||
uint64_t src_fcsr = 0x01010101; \
|
||||
uint64_t restore_fcsr; \
|
||||
uint64_t restore_fcc[8]; \
|
||||
SAVE_REGISTER (restore); \
|
||||
SAVE_REGISTER_FCSR (); \
|
||||
SAVE_REGISTER_FCC(restore_fcc) \
|
||||
\
|
||||
/* memcmp_lasx/strlen_lasx corrupts LSX/LASX registers, */ \
|
||||
/* compare LSX/LASX registers first. */ \
|
||||
if (hwcap & HWCAP_LOONGARCH_LASX) \
|
||||
{ \
|
||||
SAVE_REGISTER_LASX (); \
|
||||
} \
|
||||
else if (hwcap & HWCAP_LOONGARCH_LSX) \
|
||||
{ \
|
||||
SAVE_REGISTER_LSX (); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
double restore_float[32]; \
|
||||
SAVE_REGISTER_FLOAT (); \
|
||||
\
|
||||
for (int i = 0; i < 32; i++) \
|
||||
if (src_float[i] != restore_float[i]) \
|
||||
abort (); \
|
||||
} \
|
||||
\
|
||||
if (src_fcsr != restore_fcsr) \
|
||||
abort (); \
|
||||
\
|
||||
if (memcmp (src_fcc, restore_fcc, sizeof (src_fcc)) != 0) \
|
||||
abort (); \
|
||||
\
|
||||
if (src != restore) \
|
||||
abort ();
|
||||
|
||||
#endif /* #ifdef __loongarch_soft_float */
|
||||
|
||||
#include_next <tst-gnu2-tls2.h>
|
||||
Loading…
Reference in New Issue
Block a user