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glibc/sysdeps/loongarch/Makefile

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Makefile
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LoongArch: Build Infrastructure
2022-07-19 01:22:07 +00:00
ifeq ($(subdir),misc)
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.
2024-05-08 02:06:15 +00:00
sysdep_headers += \
sys/asm.h \
# sysdep_headers
LoongArch: Add glibc.cpu.hwcap support. The current IFUNC selection is always using the most recent features which are available via AT_HWCAP. But in some scenarios it is useful to adjust this selection. The environment variable: GLIBC_TUNABLES=glibc.cpu.hwcaps=-xxx,yyy,zzz,.... can be used to enable HWCAP feature yyy, disable HWCAP feature xxx, where the feature name is case-sensitive and has to match the ones used in sysdeps/loongarch/cpu-tunables.c. Signed-off-by: caiyinyu <caiyinyu@loongson.cn>
2023-09-15 09:35:19 +00:00
tests += \
tst-hwcap-tunables \
# tests
tst-hwcap-tunables-ARGS = -- $(host-test-program-cmd)
LoongArch: Build Infrastructure
2022-07-19 01:22:07 +00:00
endif
LoongArch: Add support for dl_runtime_profile This commit can fix the FAIL item: elf/tst-sprof-basic.
2023-03-20 01:25:36 +00:00
ifeq ($(subdir),elf)
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.
2024-05-08 02:06:15 +00:00
sysdep-dl-routines += \
dl-tlsdesc \
tlsdesc \
# sysdep-dl-routines
gen-as-const-headers += \
dl-link.sym \
# gen-as-const-headers
endif
ifeq ($(subdir),csu)
gen-as-const-headers += \
tlsdesc.sym \
# gen-as-const-headers
LoongArch: Add support for dl_runtime_profile This commit can fix the FAIL item: elf/tst-sprof-basic.
2023-03-20 01:25:36 +00:00
endif
LoongArch: Add glibc.cpu.hwcap support. The current IFUNC selection is always using the most recent features which are available via AT_HWCAP. But in some scenarios it is useful to adjust this selection. The environment variable: GLIBC_TUNABLES=glibc.cpu.hwcaps=-xxx,yyy,zzz,.... can be used to enable HWCAP feature yyy, disable HWCAP feature xxx, where the feature name is case-sensitive and has to match the ones used in sysdeps/loongarch/cpu-tunables.c. Signed-off-by: caiyinyu <caiyinyu@loongson.cn>
2023-09-15 09:35:19 +00:00
ifeq ($(subdir),elf)
sysdep-dl-routines += \
dl-get-cpu-features \
# sysdep-dl-routines
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.
2024-05-08 02:06:15 +00:00
# Disable the compiler from using LSX for TLS descriptor tests, or storing into
# 16B TLS variable may clobber FP/vector registers and prevent us from checking
# their contents.
LoongArch: Fix tst-gnu2-tls2 compiler error Add -mno-lsx to tst-gnu2-tlsmod*.c if gcc support -mno-lsx. Add escape character '\' in vector support test function.
2024-05-20 09:05:12 +00:00
ifeq (yes,$(loongarch-vec-com))
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.
2024-05-08 02:06:15 +00:00
CFLAGS-tst-gnu2-tls2mod0.c += -mno-lsx
CFLAGS-tst-gnu2-tls2mod1.c += -mno-lsx
CFLAGS-tst-gnu2-tls2mod2.c += -mno-lsx
LoongArch: Add glibc.cpu.hwcap support. The current IFUNC selection is always using the most recent features which are available via AT_HWCAP. But in some scenarios it is useful to adjust this selection. The environment variable: GLIBC_TUNABLES=glibc.cpu.hwcaps=-xxx,yyy,zzz,.... can be used to enable HWCAP feature yyy, disable HWCAP feature xxx, where the feature name is case-sensitive and has to match the ones used in sysdeps/loongarch/cpu-tunables.c. Signed-off-by: caiyinyu <caiyinyu@loongson.cn>
2023-09-15 09:35:19 +00:00
endif
LoongArch: Fix tst-gnu2-tls2 compiler error Add -mno-lsx to tst-gnu2-tlsmod*.c if gcc support -mno-lsx. Add escape character '\' in vector support test function.
2024-05-20 09:05:12 +00:00
endif
LoongArch: Add glibc.cpu.hwcap support. The current IFUNC selection is always using the most recent features which are available via AT_HWCAP. But in some scenarios it is useful to adjust this selection. The environment variable: GLIBC_TUNABLES=glibc.cpu.hwcaps=-xxx,yyy,zzz,.... can be used to enable HWCAP feature yyy, disable HWCAP feature xxx, where the feature name is case-sensitive and has to match the ones used in sysdeps/loongarch/cpu-tunables.c. Signed-off-by: caiyinyu <caiyinyu@loongson.cn>
2023-09-15 09:35:19 +00:00
LoongArch: Build Infrastructure
2022-07-19 01:22:07 +00:00
# LoongArch's assembler also needs to know about PIC as it changes the
# definition of some assembler macros.
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.
2024-05-08 02:06:15 +00:00
ASFLAGS-.os += \
$(pic-ccflag) \
# ASFLAGS-.os
LoongArch: Use medium cmodel build libc_nonshared.a. This patch is used to fix address out-of-bounds error when building Chrome.
2022-09-07 02:33:00 +00:00
# All the objects in lib*_nonshared.a need to be compiled with medium code
# model or large applications may fail to link.
ifeq (yes,$(have-cmodel-medium))
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.
2024-05-08 02:06:15 +00:00
CFLAGS-.oS += \
-mcmodel=medium \
# CFLAGS-.oS
LoongArch: Use medium cmodel build libc_nonshared.a. This patch is used to fix address out-of-bounds error when building Chrome.
2022-09-07 02:33:00 +00:00
endif
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