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1130 discussions

[PATCH] xtensa: make _init and _fini hidden

by Max Filippov

Make _init and _fini hidden so that references to these symbols bind locally in the shared objects. glibc does the same. Signed-off-by: Max Filippov <jcmvbkbc(a)gmail.com> --- libc/sysdeps/linux/xtensa/crti.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libc/sysdeps/linux/xtensa/crti.S b/libc/sysdeps/linux/xtensa/crti.S index ba804eb454e6..43e66e30820b 100644 --- a/libc/sysdeps/linux/xtensa/crti.S +++ b/libc/sysdeps/linux/xtensa/crti.S @@ -3,6 +3,7 @@ .section .init .align 4 .global _init + .hidden _init .type _init, @function _init: #if defined(__XTENSA_WINDOWED_ABI__) @@ -17,6 +18,7 @@ _init: .section .fini .align 4 .global _fini + .hidden _fini .type _fini, @function _fini: #if defined(__XTENSA_WINDOWED_ABI__) -- 2.39.2

6 months

[PATCH] xtensa: use compiler-provided XCHAL macros

by Max Filippov

Starting with gcc-13 the compiler provides configuration-specific macro definitions for the target xtensa core. Use them when available instead of the configuration overlay file xtensa-config.h Signed-off-by: Max Filippov <jcmvbkbc(a)gmail.com> --- .../sysdeps/linux/xtensa/bits/xtensa-config.h | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/libc/sysdeps/linux/xtensa/bits/xtensa-config.h b/libc/sysdeps/linux/xtensa/bits/xtensa-config.h index b99928b1e058..bfcd571d26e2 100644 --- a/libc/sysdeps/linux/xtensa/bits/xtensa-config.h +++ b/libc/sysdeps/linux/xtensa/bits/xtensa-config.h @@ -32,21 +32,41 @@ macros. */ #undef XCHAL_HAVE_NSA +#ifdef __XCHAL_HAVE_NSA +#define XCHAL_HAVE_NSA __XCHAL_HAVE_NSA +#else #define XCHAL_HAVE_NSA 1 +#endif #undef XCHAL_HAVE_LOOPS +#ifdef __XCHAL_HAVE_LOOPS +#define XCHAL_HAVE_LOOPS __XCHAL_HAVE_LOOPS +#else #define XCHAL_HAVE_LOOPS 1 +#endif /* Assume the maximum number of AR registers. This currently only affects the __window_spill function, and it is always safe to flush extra. */ #undef XCHAL_NUM_AREGS +#ifdef __XCHAL_NUM_AREGS +#define XCHAL_NUM_AREGS __XCHAL_NUM_AREGS +#else #define XCHAL_NUM_AREGS 64 +#endif #undef XCHAL_HAVE_S32C1I +#ifdef __XCHAL_HAVE_S32C1I +#define XCHAL_HAVE_S32C1I __XCHAL_HAVE_S32C1I +#else #define XCHAL_HAVE_S32C1I 1 +#endif #undef XCHAL_HAVE_EXCLUSIVE +#ifdef __XCHAL_HAVE_EXCLUSIVE +#define XCHAL_HAVE_EXCLUSIVE __XCHAL_HAVE_EXCLUSIVE +#else #define XCHAL_HAVE_EXCLUSIVE 0 +#endif #endif /* !XTENSA_CONFIG_H */ -- 2.39.2

6 months

[PATCH] linuxthreads: enable unwinding over signal frames

by Max Filippov

linuxthreads use a helper function to invoke signal handlers, this function needs stack unwinding information to enable stack unwinding from signal handlers over signal frames. Signed-off-by: Max Filippov <jcmvbkbc(a)gmail.com> --- libpthread/linuxthreads/Makefile.in | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libpthread/linuxthreads/Makefile.in b/libpthread/linuxthreads/Makefile.in index ffdd5d4eb3c9..cc2a5f285c63 100644 --- a/libpthread/linuxthreads/Makefile.in +++ b/libpthread/linuxthreads/Makefile.in @@ -16,6 +16,8 @@ libpthread_OUT := $(top_builddir)libpthread/linuxthreads -include $(libpthread_DIR)/sysdeps/$(TARGET_ARCH)/Makefile.arch +CFLAGS-signals.c = -fexceptions -fasynchronous-unwind-tables + libpthread_SRC := \ attr.c cancel.c condvar.c errno.c events.c join.c lockfile.c manager.c \ mutex.c pt-machine.c ptfork.c pthread.c ptlongjmp.c \ -- 2.39.2

6 months

[PATCH] libc/sysdeps/linux/common/utime.c: fix riscv32 build

by Fabrice Fontaine

Commit 48591e2a259d84247ae38f050bd58e6f7450bb77 forgot to update utime.c resulting in the following riscv32 build failure with applications using utime such as bzip2: /home/buildroot/autobuild/instance-0/output-1/host/riscv32-buildroot-linux-uclibc/bin/ld.real: bzip2.o: in function `copyFileName': bzip2.c:(.text+0x1fcc): undefined reference to `utime' Fixes: 48591e2a259d84247ae38f050bd58e6f7450bb77 - http://autobuild.buildroot.org/results/2e37d4e0bcef515fe9e643737419bfd26aa2… Signed-off-by: Fabrice Fontaine <fontaine.fabrice(a)gmail.com> --- libc/sysdeps/linux/common/utime.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libc/sysdeps/linux/common/utime.c b/libc/sysdeps/linux/common/utime.c index e4ac0b269..c716388e8 100644 --- a/libc/sysdeps/linux/common/utime.c +++ b/libc/sysdeps/linux/common/utime.c @@ -9,7 +9,7 @@ #include <sys/syscall.h> #include <utime.h> -#if defined __NR_utimensat && !defined __NR_utime +#if (defined(__NR_utimensat) || defined(__NR_utimensat_time64)) && !defined __NR_utime # include <fcntl.h> # include <stddef.h> @@ -51,7 +51,7 @@ int utime(const char *file, const struct utimbuf *times) } #endif -#if (defined __NR_utimensat && !defined __NR_utime) || \ +#if ((defined(__NR_utimensat) || defined(__NR_utimensat_time64)) && !defined __NR_utime) || \ defined __NR_utime || defined __NR_utimes libc_hidden_def(utime) #endif -- 2.43.0

6 months

[PATCH v3] Cast to proper types inside atomic macroses.

by Dmitry Chestnykh

GCC-14 raises `-Wint-conversion` error if lvalues are of pointer types and rvalues are of integer types. Signed-off-by: Dmitry Chestnykh <dm.chestnykh(a)gmail.com> --- include/atomic.h | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/include/atomic.h b/include/atomic.h index 267aff5d5..3adcfbc5f 100644 --- a/include/atomic.h +++ b/include/atomic.h @@ -54,15 +54,15 @@ and following args. */ #define __atomic_val_bysize(pre, post, mem, ...) \ ({ \ - __typeof (*mem) __atg1_result; \ + __typeof ((__typeof (*(mem))) *(mem)) __atg1_result; \ if (sizeof (*mem) == 1) \ - __atg1_result = pre##_8_##post (mem, __VA_ARGS__); \ + __atg1_result = (__typeof ((__typeof (*(mem))) *(mem))) pre##_8_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 2) \ - __atg1_result = pre##_16_##post (mem, __VA_ARGS__); \ + __atg1_result = (__typeof ((__typeof (*(mem))) *(mem))) pre##_16_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 4) \ - __atg1_result = pre##_32_##post (mem, __VA_ARGS__); \ + __atg1_result = (__typeof ((__typeof (*(mem))) *(mem))) pre##_32_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 8) \ - __atg1_result = pre##_64_##post (mem, __VA_ARGS__); \ + __atg1_result = (__typeof ((__typeof (*(mem))) *(mem))) pre##_64_##post (mem, __VA_ARGS__); \ else \ abort (); \ __atg1_result; \ @@ -71,13 +71,13 @@ ({ \ int __atg2_result; \ if (sizeof (*mem) == 1) \ - __atg2_result = pre##_8_##post (mem, __VA_ARGS__); \ + __atg2_result = (int) pre##_8_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 2) \ - __atg2_result = pre##_16_##post (mem, __VA_ARGS__); \ + __atg2_result = (int) pre##_16_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 4) \ - __atg2_result = pre##_32_##post (mem, __VA_ARGS__); \ + __atg2_result = (int) pre##_32_##post (mem, __VA_ARGS__); \ else if (sizeof (*mem) == 8) \ - __atg2_result = pre##_64_##post (mem, __VA_ARGS__); \ + __atg2_result = (int) pre##_64_##post (mem, __VA_ARGS__); \ else \ abort (); \ __atg2_result; \ -- 2.45.1

6 months

[PATCH] Cast to proper types inside atomic macro.

by Dmitry Chestnykh

6 months

[PATCH] Fix wrong `struct ucontext_t` typedef for all arches.

by Dmitry Chestnykh

The correct one is `struct ucontext` -> `ucontext_t`. Signed-off-by: Dmitry Chestnykh <dm.chestnykh(a)gmail.com> --- libc/sysdeps/linux/aarch64/sys/ucontext.h | 4 ++-- libc/sysdeps/linux/riscv64/sys/ucontext.h | 4 ++-- libc/sysdeps/linux/tile/sys/ucontext.h | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/libc/sysdeps/linux/aarch64/sys/ucontext.h b/libc/sysdeps/linux/aarch64/sys/ucontext.h index 5f75cbbf3..1a27f918b 100644 --- a/libc/sysdeps/linux/aarch64/sys/ucontext.h +++ b/libc/sysdeps/linux/aarch64/sys/ucontext.h @@ -45,10 +45,10 @@ typedef elf_fpregset_t fpregset_t; typedef struct sigcontext mcontext_t; /* Userlevel context. */ -typedef struct ucontext_t +typedef struct ucontext { unsigned long uc_flags; - struct ucontext_t *uc_link; + struct ucontext *uc_link; stack_t uc_stack; __sigset_t uc_sigmask; unsigned char __reserved[128]; diff --git a/libc/sysdeps/linux/riscv64/sys/ucontext.h b/libc/sysdeps/linux/riscv64/sys/ucontext.h index 2893ff359..308ccb8c2 100644 --- a/libc/sysdeps/linux/riscv64/sys/ucontext.h +++ b/libc/sysdeps/linux/riscv64/sys/ucontext.h @@ -83,10 +83,10 @@ typedef struct mcontext_t } mcontext_t; /* Userlevel context. */ -typedef struct ucontext_t +typedef struct ucontext { unsigned long int __uc_flags; - struct ucontext_t *uc_link; + struct ucontext *uc_link; stack_t uc_stack; sigset_t uc_sigmask; /* There's some padding here to allow sigset_t to be expanded in the diff --git a/libc/sysdeps/linux/tile/sys/ucontext.h b/libc/sysdeps/linux/tile/sys/ucontext.h index ed2c27b58..068da8c4a 100644 --- a/libc/sysdeps/linux/tile/sys/ucontext.h +++ b/libc/sysdeps/linux/tile/sys/ucontext.h @@ -82,10 +82,10 @@ typedef struct } mcontext_t; /* Userlevel context. */ -typedef struct ucontext_t +typedef struct ucontext { unsigned long int __ctx(uc_flags); - struct ucontext_t *uc_link; + struct ucontext *uc_link; stack_t uc_stack; mcontext_t uc_mcontext; sigset_t uc_sigmask; -- 2.45.1

6 months

[PATCH v2] riscv32: Fix `struct ucontext` definition.

by Dmitry Chestnykh

The correct typedef is `struct ucontext` -> `ucontext_t`, not `struct ucontext_t` -> `ucontext_t` like for other architectures. Signed-off-by: Dmitry Chestnykh <dm.chestnykh(a)gmail.com> --- libc/sysdeps/linux/riscv32/sys/ucontext.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libc/sysdeps/linux/riscv32/sys/ucontext.h b/libc/sysdeps/linux/riscv32/sys/ucontext.h index 2893ff359..308ccb8c2 100644 --- a/libc/sysdeps/linux/riscv32/sys/ucontext.h +++ b/libc/sysdeps/linux/riscv32/sys/ucontext.h @@ -83,10 +83,10 @@ typedef struct mcontext_t } mcontext_t; /* Userlevel context. */ -typedef struct ucontext_t +typedef struct ucontext { unsigned long int __uc_flags; - struct ucontext_t *uc_link; + struct ucontext *uc_link; stack_t uc_stack; sigset_t uc_sigmask; /* There's some padding here to allow sigset_t to be expanded in the -- 2.45.1

6 months

[PATCH] riscv32: Fix `struct ucontext` definition.

by Dmitry Chestnykh

The correct typedef is `struct ucontext` -> `ucontext_t`, not `struct ucontext_t` -> `ucontext_t` like for other architectures. Signed-off-by: Dmitry Chestnykh <dm.chestnykh(a)gmail.com> --- libc/sysdeps/linux/riscv32/sys/ucontext.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libc/sysdeps/linux/riscv32/sys/ucontext.h b/libc/sysdeps/linux/riscv32/sys/ucontext.h index 2893ff359..51dd5ff12 100644 --- a/libc/sysdeps/linux/riscv32/sys/ucontext.h +++ b/libc/sysdeps/linux/riscv32/sys/ucontext.h @@ -83,7 +83,7 @@ typedef struct mcontext_t } mcontext_t; /* Userlevel context. */ -typedef struct ucontext_t +typedef struct ucontext { unsigned long int __uc_flags; struct ucontext_t *uc_link; -- 2.45.1

6 months, 1 week

[PATCH] Fix riscv32 build with gcc-14.

by Dmitry Chestnykh

Add missing includes and function decls. Signed-off-by: Dmitry Chestnykh <dm.chestnykh(a)gmail.com> --- libc/sysdeps/linux/common/not-cancel.h | 2 ++ libpthread/linuxthreads/sysdeps/pthread/not-cancel.h | 2 ++ libpthread/nptl/sysdeps/unix/sysv/linux/not-cancel.h | 2 ++ 3 files changed, 6 insertions(+) diff --git a/libc/sysdeps/linux/common/not-cancel.h b/libc/sysdeps/linux/common/not-cancel.h index e4fb1d7fe..426edcc46 100644 --- a/libc/sysdeps/linux/common/not-cancel.h +++ b/libc/sysdeps/linux/common/not-cancel.h @@ -19,6 +19,7 @@ #include <sys/types.h> #include <sysdep.h> +#include <time.h> #ifdef NOT_IN_libc @@ -114,6 +115,7 @@ extern __typeof(pause) __pause_nocancel; # define nanosleep_not_cancel(requested_time, remaining) \ INLINE_SYSCALL (nanosleep, 2, requested_time, remaining) #else +extern int __nanosleep_nocancel (const struct timespec *requested_time, struct timespec *remaining); # define nanosleep_not_cancel(requested_time, remaining) \ __nanosleep_nocancel (requested_time, remaining) #endif diff --git a/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h b/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h index bbdb0739c..6d7c4d70a 100644 --- a/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h +++ b/libpthread/linuxthreads/sysdeps/pthread/not-cancel.h @@ -19,6 +19,7 @@ #include <sys/types.h> #include <sysdep.h> +#include <time.h> /* Uncancelable open. */ #if defined __NR_openat && !defined __NR_open @@ -104,6 +105,7 @@ extern int __openat64_nocancel (int fd, const char *fname, int oflag, # define nanosleep_not_cancel(requested_time, remaining) \ INLINE_SYSCALL (nanosleep, 2, requested_time, remaining) #else +extern int __nanosleep_nocancel (const struct timespec *requested_time, struct timespec *remaining); # define nanosleep_not_cancel(requested_time, remaining) \ __nanosleep_nocancel (requested_time, remaining) #endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/not-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/not-cancel.h index bbdb0739c..6d7c4d70a 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/not-cancel.h +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/not-cancel.h @@ -19,6 +19,7 @@ #include <sys/types.h> #include <sysdep.h> +#include <time.h> /* Uncancelable open. */ #if defined __NR_openat && !defined __NR_open @@ -104,6 +105,7 @@ extern int __openat64_nocancel (int fd, const char *fname, int oflag, # define nanosleep_not_cancel(requested_time, remaining) \ INLINE_SYSCALL (nanosleep, 2, requested_time, remaining) #else +extern int __nanosleep_nocancel (const struct timespec *requested_time, struct timespec *remaining); # define nanosleep_not_cancel(requested_time, remaining) \ __nanosleep_nocancel (requested_time, remaining) #endif -- 2.45.1

6 months, 1 week

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