diff options
Diffstat (limited to 'sysdeps/loongarch')
| -rw-r--r-- | sysdeps/loongarch/Makefile | 4 | ||||
| -rw-r--r-- | sysdeps/loongarch/Versions | 5 | ||||
| -rw-r--r-- | sysdeps/loongarch/cpu-tunables.c | 89 | ||||
| -rw-r--r-- | sysdeps/loongarch/dl-get-cpu-features.c | 25 | ||||
| -rw-r--r-- | sysdeps/loongarch/dl-machine.h | 27 | ||||
| -rw-r--r-- | sysdeps/loongarch/dl-tunables.list | 25 |
6 files changed, 4 insertions, 171 deletions
diff --git a/sysdeps/loongarch/Makefile b/sysdeps/loongarch/Makefile index 30a1f4a802..43d2f583cd 100644 --- a/sysdeps/loongarch/Makefile +++ b/sysdeps/loongarch/Makefile @@ -6,10 +6,6 @@ ifeq ($(subdir),elf) gen-as-const-headers += dl-link.sym endif -ifeq ($(subdir),elf) - sysdep-dl-routines += dl-get-cpu-features -endif - # LoongArch's assembler also needs to know about PIC as it changes the # definition of some assembler macros. ASFLAGS-.os += $(pic-ccflag) diff --git a/sysdeps/loongarch/Versions b/sysdeps/loongarch/Versions deleted file mode 100644 index 33ae2cc079..0000000000 --- a/sysdeps/loongarch/Versions +++ /dev/null @@ -1,5 +0,0 @@ -ld { - GLIBC_PRIVATE { - _dl_larch_get_cpu_features; - } -} diff --git a/sysdeps/loongarch/cpu-tunables.c b/sysdeps/loongarch/cpu-tunables.c deleted file mode 100644 index 8e9fab938b..0000000000 --- a/sysdeps/loongarch/cpu-tunables.c +++ /dev/null @@ -1,89 +0,0 @@ -/* LoongArch CPU feature tuning. - This file is part of the GNU C Library. - Copyright (C) 2023 Free Software Foundation, Inc. - - 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 - <http://www.gnu.org/licenses/>. */ - -# include <stdbool.h> -# include <stdint.h> -# include <unistd.h> /* Get STDOUT_FILENO for _dl_printf. */ -# include <elf/dl-tunables.h> -# include <string.h> -# include <cpu-features.h> -# include <ldsodefs.h> -# include <sys/auxv.h> - -# define HWCAP_LOONGARCH_IFUNC \ - (HWCAP_LOONGARCH_UAL | HWCAP_LOONGARCH_LSX | HWCAP_LOONGARCH_LASX) - -# define CHECK_GLIBC_IFUNC_CPU_OFF(f, name, len) \ - _Static_assert (sizeof (#name) - 1 == len, #name " != " #len); \ - if (!memcmp (f, #name, len) && \ - (GLRO (dl_hwcap) & HWCAP_LOONGARCH_##name)) \ - { \ - hwcap |= (HWCAP_LOONGARCH_##name | (~HWCAP_LOONGARCH_IFUNC)); \ - break; \ - } \ - -attribute_hidden -void -TUNABLE_CALLBACK (set_hwcaps) (tunable_val_t *valp) -{ - const char *p = valp->strval; - size_t len; - unsigned long hwcap = 0; - const char *c; - - do { - for (c = p; *c != ','; c++) - if (*c == '\0') - break; - - len = c - p; - - switch(len) - { - default: - _dl_fatal_printf ( - "The valid values of glibc.cpu.hwcaps is UAL, LASX, LSX!!\n" - ); - break; - case 3: - { - CHECK_GLIBC_IFUNC_CPU_OFF (p, LSX, 3); - CHECK_GLIBC_IFUNC_CPU_OFF (p, UAL, 3); - _dl_fatal_printf ( - "Some features are invalid or not supported on this machine!!\n" - "The valid values of glibc.cpu.hwcaps is UAL, LASX, LSX!!\n" - ); - } - break; - case 4: - { - CHECK_GLIBC_IFUNC_CPU_OFF (p, LASX, 4); - _dl_fatal_printf ( - "Some features are invalid or not supported on this machine!!\n" - "The valid values of glibc.cpu.hwcaps is UAL, LASX, LSX!!\n" - ); - } - break; - } - - p += len + 1; - } - while (*c != '\0'); - - GLRO (dl_larch_cpu_features).hwcap &= hwcap; -} diff --git a/sysdeps/loongarch/dl-get-cpu-features.c b/sysdeps/loongarch/dl-get-cpu-features.c deleted file mode 100644 index 7cd9bc15c3..0000000000 --- a/sysdeps/loongarch/dl-get-cpu-features.c +++ /dev/null @@ -1,25 +0,0 @@ -/* Define _dl_larch_get_cpu_features. - Copyright (C) 2023 Free Software Foundation, Inc. - - 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> - -const struct cpu_features * -_dl_larch_get_cpu_features (void) -{ - return &GLRO(dl_larch_cpu_features); -} diff --git a/sysdeps/loongarch/dl-machine.h b/sysdeps/loongarch/dl-machine.h index b395a9283e..57913cefaa 100644 --- a/sysdeps/loongarch/dl-machine.h +++ b/sysdeps/loongarch/dl-machine.h @@ -29,8 +29,6 @@ #include <dl-static-tls.h> #include <dl-machine-rel.h> -#include <cpu-features.c> - #ifndef _RTLD_PROLOGUE # define _RTLD_PROLOGUE(entry) \ ".globl\t" __STRING (entry) "\n\t" \ @@ -55,23 +53,6 @@ #define ELF_MACHINE_NO_REL 1 #define ELF_MACHINE_NO_RELA 0 -#define DL_PLATFORM_INIT dl_platform_init () - -static inline void __attribute__ ((unused)) -dl_platform_init (void) -{ - if (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0') - /* Avoid an empty string which would disturb us. */ - GLRO(dl_platform) = NULL; - -#ifdef SHARED - /* init_cpu_features has been called early from __libc_start_main in - static executable. */ - init_cpu_features (&GLRO(dl_larch_cpu_features)); -#endif -} - - /* Return nonzero iff ELF header is compatible with the running host. */ static inline int elf_machine_matches_host (const ElfW (Ehdr) *ehdr) @@ -309,9 +290,9 @@ elf_machine_runtime_setup (struct link_map *l, struct r_scope_elem *scope[], if (profile != 0) { #if !defined __loongarch_soft_float - if (RTLD_SUPPORT_LASX) + if (SUPPORT_LASX) gotplt[0] = (ElfW(Addr)) &_dl_runtime_profile_lasx; - else if (RTLD_SUPPORT_LSX) + else if (SUPPORT_LSX) gotplt[0] = (ElfW(Addr)) &_dl_runtime_profile_lsx; else #endif @@ -329,9 +310,9 @@ elf_machine_runtime_setup (struct link_map *l, struct r_scope_elem *scope[], indicated by the offset on the stack, and then jump to the resolved address. */ #if !defined __loongarch_soft_float - if (RTLD_SUPPORT_LASX) + if (SUPPORT_LASX) gotplt[0] = (ElfW(Addr)) &_dl_runtime_resolve_lasx; - else if (RTLD_SUPPORT_LSX) + else if (SUPPORT_LSX) gotplt[0] = (ElfW(Addr)) &_dl_runtime_resolve_lsx; else #endif diff --git a/sysdeps/loongarch/dl-tunables.list b/sysdeps/loongarch/dl-tunables.list deleted file mode 100644 index 66b3427516..0000000000 --- a/sysdeps/loongarch/dl-tunables.list +++ /dev/null @@ -1,25 +0,0 @@ -# LoongArch specific tunables. -# Copyright (C) 2023 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 -# <http://www.gnu.org/licenses/>. - -glibc { - cpu { - hwcaps { - type: STRING - } - } -} |