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-rw-r--r--libc/sysdeps/linux/mips/bits/fcntl.h2
-rw-r--r--libc/sysdeps/linux/mips/bits/fenv.h82
-rw-r--r--libc/sysdeps/linux/mips/bits/kernel_stat.h4
-rw-r--r--libc/sysdeps/linux/mips/bits/msq.h94
-rw-r--r--libc/sysdeps/linux/mips/bits/resource.h21
-rw-r--r--libc/sysdeps/linux/mips/bits/sem.h14
-rw-r--r--libc/sysdeps/linux/mips/bits/shm.h28
-rw-r--r--libc/sysdeps/linux/mips/bits/stat.h8
-rw-r--r--libc/sysdeps/linux/mips/bits/syscalls.h36
-rw-r--r--libc/sysdeps/linux/mips/bits/uClibc_arch_features.h3
-rw-r--r--libc/sysdeps/linux/mips/crt1.S23
-rw-r--r--libc/sysdeps/linux/mips/fpu_control.h68
12 files changed, 288 insertions, 95 deletions
diff --git a/libc/sysdeps/linux/mips/bits/fcntl.h b/libc/sysdeps/linux/mips/bits/fcntl.h
index 33251c74d..a98b8c2e5 100644
--- a/libc/sysdeps/linux/mips/bits/fcntl.h
+++ b/libc/sysdeps/linux/mips/bits/fcntl.h
@@ -268,3 +268,5 @@ extern ssize_t tee (int __fdin, int __fdout, size_t __len,
#endif
__END_DECLS
+/* Include generic Linux declarations. */
+#include <bits/fcntl-linux.h>
diff --git a/libc/sysdeps/linux/mips/bits/fenv.h b/libc/sysdeps/linux/mips/bits/fenv.h
index 944101f75..25ae4d9ca 100644
--- a/libc/sysdeps/linux/mips/bits/fenv.h
+++ b/libc/sysdeps/linux/mips/bits/fenv.h
@@ -1,5 +1,4 @@
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
+/* Copyright (C) 1998-2025 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
@@ -12,31 +11,38 @@
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/>. */
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
#ifndef _FENV_H
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif
+#ifdef __mips_hard_float
+
/* Define bits representing the exception. We use the bit positions
of the appropriate bits in the FPU control word. */
enum
{
- FE_INEXACT = 0x04,
-#define FE_INEXACT FE_INEXACT
- FE_UNDERFLOW = 0x08,
-#define FE_UNDERFLOW FE_UNDERFLOW
- FE_OVERFLOW = 0x10,
-#define FE_OVERFLOW FE_OVERFLOW
- FE_DIVBYZERO = 0x20,
-#define FE_DIVBYZERO FE_DIVBYZERO
- FE_INVALID = 0x40,
-#define FE_INVALID FE_INVALID
+ FE_INEXACT =
+# define FE_INEXACT 0x04
+ FE_INEXACT,
+ FE_UNDERFLOW =
+# define FE_UNDERFLOW 0x08
+ FE_UNDERFLOW,
+ FE_OVERFLOW =
+# define FE_OVERFLOW 0x10
+ FE_OVERFLOW,
+ FE_DIVBYZERO =
+# define FE_DIVBYZERO 0x20
+ FE_DIVBYZERO,
+ FE_INVALID =
+# define FE_INVALID 0x40
+ FE_INVALID,
};
-#define FE_ALL_EXCEPT \
+# define FE_ALL_EXCEPT \
(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
/* The MIPS FPU supports all of the four defined rounding modes. We
@@ -44,16 +50,38 @@ enum
for the appropriate macros. */
enum
{
- FE_TONEAREST = 0x0,
-#define FE_TONEAREST FE_TONEAREST
- FE_TOWARDZERO = 0x1,
-#define FE_TOWARDZERO FE_TOWARDZERO
- FE_UPWARD = 0x2,
-#define FE_UPWARD FE_UPWARD
- FE_DOWNWARD = 0x3
-#define FE_DOWNWARD FE_DOWNWARD
+ FE_TONEAREST =
+# define FE_TONEAREST 0x0
+ FE_TONEAREST,
+ FE_TOWARDZERO =
+# define FE_TOWARDZERO 0x1
+ FE_TOWARDZERO,
+ FE_UPWARD =
+# define FE_UPWARD 0x2
+ FE_UPWARD,
+ FE_DOWNWARD =
+# define FE_DOWNWARD 0x3
+ FE_DOWNWARD
};
+#else
+
+/* In the soft-float case, only rounding to nearest is supported, with
+ no exceptions. */
+
+enum
+ {
+ __FE_UNDEFINED = -1,
+
+ FE_TONEAREST =
+# define FE_TONEAREST 0x0
+ FE_TONEAREST
+ };
+
+# define FE_ALL_EXCEPT 0
+
+#endif
+
/* Type representing exception flags. */
typedef unsigned short int fexcept_t;
@@ -70,7 +98,13 @@ fenv_t;
/* If the default argument is used we use this value. */
#define FE_DFL_ENV ((const fenv_t *) -1)
-#ifdef __USE_GNU
+#if defined __USE_GNU && defined __mips_hard_float
/* Floating-point environment where none of the exception is masked. */
# define FE_NOMASK_ENV ((const fenv_t *) -2)
#endif
+
+/* Type representing floating-point control modes. */
+typedef unsigned int femode_t;
+
+/* Default floating-point control modes. */
+# define FE_DFL_MODE ((const femode_t *) -1L)
diff --git a/libc/sysdeps/linux/mips/bits/kernel_stat.h b/libc/sysdeps/linux/mips/bits/kernel_stat.h
index a2a6169a3..23a6ce61a 100644
--- a/libc/sysdeps/linux/mips/bits/kernel_stat.h
+++ b/libc/sysdeps/linux/mips/bits/kernel_stat.h
@@ -14,7 +14,11 @@ typedef struct {
} __ktimespec_t;
#else
typedef struct {
+#if defined(__UCLIBC_USE_TIME64__)
+ __S32_TYPE tv_sec;
+#else
time_t tv_sec;
+#endif
unsigned long tv_nsec;
} __ktimespec_t;
#endif
diff --git a/libc/sysdeps/linux/mips/bits/msq.h b/libc/sysdeps/linux/mips/bits/msq.h
index bcf1073e8..141b1ff9f 100644
--- a/libc/sysdeps/linux/mips/bits/msq.h
+++ b/libc/sysdeps/linux/mips/bits/msq.h
@@ -35,30 +35,58 @@ typedef unsigned long int msglen_t;
/* Structure of record for one message inside the kernel.
The type `struct msg' is opaque. */
+#if (__WORDSIZE == 32) && defined(__MIPSEL__)
struct msqid_ds
{
struct ipc_perm msg_perm; /* structure describing operation permission */
-#if (__WORDSIZE == 32) && !defined(__MIPSEL__)
- unsigned long __unused1;
-#endif
- __time_t msg_stime; /* time of last msgsnd command */
-#if (__WORDSIZE == 32) && defined(__MIPSEL__)
- unsigned long __unused1;
-#endif
-#if (__WORDSIZE == 32) && !defined(__MIPSEL__)
- unsigned long __unused2;
-#endif
- __time_t msg_rtime; /* time of last msgrcv command */
-#if (__WORDSIZE == 32) && defined(__MIPSEL__)
- unsigned long __unused2;
-#endif
-#if (__WORDSIZE == 32) && !defined(__MIPSEL__)
- unsigned long __unused3;
-#endif
- __time_t msg_ctime; /* time of last change */
-#if (__WORDSIZE == 32) && defined(__MIPSEL__)
- unsigned long __unused3;
-#endif
+# if defined(__UCLIBC_USE_TIME64__)
+ unsigned long msg_stime_internal_1; /* time of last msgsnd command */
+ unsigned long msg_stime_internal_2;
+ unsigned long msg_rtime_internal_1; /* time of last msgrcv command */
+ unsigned long msg_rtime_internal_2;
+ unsigned long msg_ctime_internal_1; /* time of last change */
+ unsigned long msg_ctime_internal_2;
+# else
+ __time_t msg_stime;
+ unsigned long int __uclibc_unused1;
+ __time_t msg_rtime;
+ unsigned long int __uclibc_unused2;
+ __time_t msg_ctime;
+ unsigned long int __uclibc_unused3;
+# endif
+ unsigned long int __msg_cbytes; /* current number of bytes on queue */
+ msgqnum_t msg_qnum; /* number of messages currently on queue */
+ msglen_t msg_qbytes; /* max number of bytes allowed on queue */
+ __pid_t msg_lspid; /* pid of last msgsnd() */
+ __pid_t msg_lrpid; /* pid of last msgrcv() */
+ unsigned long int __uclibc_unused4;
+ unsigned long int __uclibc_unused5;
+# if defined(__UCLIBC_USE_TIME64__)
+ __time_t msg_stime;
+ __time_t msg_rtime;
+ __time_t msg_ctime;
+# endif
+};
+
+#elif (__WORDSIZE == 32) && defined(__MIPSEB__)
+struct msqid_ds
+{
+ struct ipc_perm msg_perm; /* structure describing operation permission */
+# if defined(__UCLIBC_USE_TIME64__)
+ unsigned long msg_stime_internal_2; /* time of last msgsnd command */
+ unsigned long msg_stime_internal_1;
+ unsigned long msg_rtime_internal_2; /* time of last msgrcv command */
+ unsigned long msg_rtime_internal_1;
+ unsigned long msg_ctime_internal_2; /* time of last change */
+ unsigned long msg_ctime_internal_1;
+# else
+ unsigned long int __uclibc_unused1;
+ __time_t msg_stime;
+ unsigned long int __uclibc_unused2;
+ __time_t msg_rtime;
+ unsigned long int __uclibc_unused3;
+ __time_t msg_ctime;
+# endif
unsigned long int __msg_cbytes; /* current number of bytes on queue */
msgqnum_t msg_qnum; /* number of messages currently on queue */
msglen_t msg_qbytes; /* max number of bytes allowed on queue */
@@ -66,8 +94,32 @@ struct msqid_ds
__pid_t msg_lrpid; /* pid of last msgrcv() */
unsigned long int __uclibc_unused4;
unsigned long int __uclibc_unused5;
+# if defined(__UCLIBC_USE_TIME64__)
+ __time_t msg_stime;
+ __time_t msg_rtime;
+ __time_t msg_ctime;
+# endif
+};
+
+#else
+
+struct msqid_ds
+{
+ struct ipc_perm msg_perm; /* structure describing operation permission */
+ __time_t msg_stime; /* time of last msgsnd command */
+ __time_t msg_rtime; /* time of last msgrcv command */
+ __time_t msg_ctime; /* time of last change */
+ unsigned long int __msg_cbytes; /* current number of bytes on queue */
+ msgqnum_t msg_qnum; /* number of messages currently on queue */
+ msglen_t msg_qbytes; /* max number of bytes allowed on queue */
+ __pid_t msg_lspid; /* pid of last msgsnd() */
+ __pid_t msg_lrpid; /* pid of last msgrcv() */
+ unsigned long int __uclibc_unused4;
+ unsigned long int __uclibc_unused5;
};
+#endif
+
#ifdef __USE_MISC
# define msg_cbytes __msg_cbytes
diff --git a/libc/sysdeps/linux/mips/bits/resource.h b/libc/sysdeps/linux/mips/bits/resource.h
index b204aefd6..97487d274 100644
--- a/libc/sysdeps/linux/mips/bits/resource.h
+++ b/libc/sysdeps/linux/mips/bits/resource.h
@@ -99,7 +99,13 @@ enum __rlimit_resource
__RLIMIT_RTPRIO = 14,
#define RLIMIT_RTPRIO __RLIMIT_RTPRIO
- __RLIMIT_NLIMITS = 15,
+ /* Maximum CPU time in µs that a process scheduled under a real-time
+ scheduling policy may consume without making a blocking system
+ call before being forcibly descheduled. */
+ __RLIMIT_RTTIME = 15,
+#define RLIMIT_RTTIME __RLIMIT_RTTIME
+
+ __RLIMIT_NLIMITS = 16,
__RLIM_NLIMITS = __RLIMIT_NLIMITS
#define RLIMIT_NLIMITS __RLIMIT_NLIMITS
#define RLIM_NLIMITS __RLIM_NLIMITS
@@ -117,10 +123,10 @@ enum __rlimit_resource
# ifndef __USE_FILE_OFFSET64
# define RLIM_INFINITY ((long int)(~0UL >> 1))
# else
-# define RLIM_INFINITY 0x7fffffffffffffffULL
+# define RLIM_INFINITY 0xffffffffffffffffULL
# endif
# ifdef __USE_LARGEFILE64
-# define RLIM64_INFINITY 0x7fffffffffffffffULL
+# define RLIM64_INFINITY 0xffffffffffffffffULL
# endif
#endif
@@ -167,6 +173,15 @@ enum __rusage_who
/* All of its terminated child processes. */
RUSAGE_CHILDREN = -1
#define RUSAGE_CHILDREN RUSAGE_CHILDREN
+
+#ifdef __USE_GNU
+ ,
+ /* The calling thread. */
+ RUSAGE_THREAD = 1
+# define RUSAGE_THREAD RUSAGE_THREAD
+ /* Name for the same functionality on Solaris. */
+# define RUSAGE_LWP RUSAGE_THREAD
+#endif
};
#define __need_timeval
diff --git a/libc/sysdeps/linux/mips/bits/sem.h b/libc/sysdeps/linux/mips/bits/sem.h
index 3e4e9682b..230d04868 100644
--- a/libc/sysdeps/linux/mips/bits/sem.h
+++ b/libc/sysdeps/linux/mips/bits/sem.h
@@ -38,11 +38,23 @@
struct semid_ds
{
struct ipc_perm sem_perm; /* operation permission struct */
- __time_t sem_otime; /* last semop() time */
+#if (__WORDSIZE == 32) && defined(__UCLIBC_USE_TIME64__)
+ unsigned long int __sem_otime_internal_1; /* last semop() time */
+ unsigned long int __sem_ctime_internal_1; /* last time changed by semctl() */
+#else
+ __time_t sem_otime; /* last semop() time */
__time_t sem_ctime; /* last time changed by semctl() */
+#endif
unsigned long int sem_nsems; /* number of semaphores in set */
+#if (__WORDSIZE == 32) && defined(__UCLIBC_USE_TIME64__)
+ unsigned long int __sem_otime_internal_2;
+ unsigned long int __sem_ctime_internal_2;
+ __time_t sem_otime;
+ __time_t sem_ctime;
+#else
unsigned long int __uclibc_unused1;
unsigned long int __uclibc_unused2;
+#endif
};
/* The user should define a union like the following to use it for arguments
diff --git a/libc/sysdeps/linux/mips/bits/shm.h b/libc/sysdeps/linux/mips/bits/shm.h
index bb87ba13d..1855a50b2 100644
--- a/libc/sysdeps/linux/mips/bits/shm.h
+++ b/libc/sysdeps/linux/mips/bits/shm.h
@@ -46,14 +46,32 @@ struct shmid_ds
{
struct ipc_perm shm_perm; /* operation permission struct */
size_t shm_segsz; /* size of segment in bytes */
- __time_t shm_atime; /* time of last shmat() */
- __time_t shm_dtime; /* time of last shmdt() */
- __time_t shm_ctime; /* time of last change by shmctl() */
+#if (__WORDSIZE == 32) && defined(__UCLIBC_USE_TIME64__)
+ unsigned long int shm_atime_internal_1; /* time of last shmat() */
+ unsigned long int shm_dtime_internal_1; /* time of last shmdt() */
+ unsigned long int shm_ctime_internal_1; /* time of last change by shmctl() */
+#else
+ __time_t shm_atime;
+ __time_t shm_dtime;
+ __time_t shm_ctime;
+#endif
__pid_t shm_cpid; /* pid of creator */
__pid_t shm_lpid; /* pid of last shmop */
shmatt_t shm_nattch; /* number of current attaches */
- unsigned long int __uclibc_unused1;
- unsigned long int __uclibc_unused2;
+#if (__WORDSIZE == 32) && defined(__UCLIBC_USE_TIME64__)
+ unsigned short int shm_atime_internal_2; /* time of last shmat() */
+ unsigned short int shm_dtime_internal_2; /* time of last shmdt() */
+ unsigned short int shm_ctime_internal_2; /* time of last change by shmctl() */
+ unsigned short int __uclibc_unused1;
+ __time_t shm_atime;
+ __time_t shm_dtime;
+ __time_t shm_ctime;
+#else
+ unsigned short int __uclibc_unused1;
+ unsigned short int __uclibc_unused2;
+ unsigned short int __uclibc_unused3;
+ unsigned short int __uclibc_unused4;
+#endif
};
#ifdef __USE_MISC
diff --git a/libc/sysdeps/linux/mips/bits/stat.h b/libc/sysdeps/linux/mips/bits/stat.h
index 539fa33d2..81d2e4687 100644
--- a/libc/sysdeps/linux/mips/bits/stat.h
+++ b/libc/sysdeps/linux/mips/bits/stat.h
@@ -60,7 +60,7 @@ struct stat
long int st_pad2[2];
__off64_t st_size; /* Size of file, in bytes. */
#endif
-#ifdef __USE_MISC
+#if defined(__USE_MISC) || defined(__USE_XOPEN2K8)
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
@@ -103,7 +103,7 @@ struct stat {
unsigned int st_rdev; /* Device number, if device. */
int st_pad2[3];
__off_t st_size; /* Size of file, in bytes. */
-#ifdef __USE_MISC
+#if defined(__USE_MISC) || defined(__USE_XOPEN2K8)
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
@@ -145,7 +145,7 @@ struct stat64
__dev_t st_rdev; /* Device number, if device. */
long int st_pad2[2];
__off64_t st_size; /* Size of file, in bytes. */
-#ifdef __USE_MISC
+#if defined(__USE_MISC) || defined(__USE_XOPEN2K8)
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
@@ -184,7 +184,7 @@ struct stat64 {
unsigned int st_rdev; /* Device number, if device. */
int st_pad2[3];
__off_t st_size; /* Size of file, in bytes. */
-#ifdef __USE_MISC
+#if defined(__USE_MISC) || defined(__USE_XOPEN2K8)
/* Nanosecond resolution timestamps are stored in a format
equivalent to 'struct timespec'. This is the type used
whenever possible but the Unix namespace rules do not allow the
diff --git a/libc/sysdeps/linux/mips/bits/syscalls.h b/libc/sysdeps/linux/mips/bits/syscalls.h
index 13728ac55..64b42ffb1 100644
--- a/libc/sysdeps/linux/mips/bits/syscalls.h
+++ b/libc/sysdeps/linux/mips/bits/syscalls.h
@@ -184,7 +184,7 @@
({ \
long _sys_result; \
\
- FORCE_FRAME_POINTER; \
+ int* array = FORCE_FRAME_POINTER; \
{ \
register long __v0 __asm__("$2") ncs_init; \
register long __a0 __asm__("$4") = (long) arg1; \
@@ -193,15 +193,16 @@
register long __a3 __asm__("$7") = (long) arg4; \
__asm__ __volatile__ ( \
".set\tnoreorder\n\t" \
- "subu\t$29, 32\n\t" \
+ "subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
cs_init \
"syscall\n\t" \
- "addiu\t$29, 32\n\t" \
- ".set\treorder" \
+ "addiu\t$29, 32\n\t" \
+ "addiu\t%7, %7, 0\n\t" \
+ ".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2), \
- "r" ((long)arg5) \
+ "r" ((long)arg5), "r" (array) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
@@ -213,7 +214,7 @@
({ \
long _sys_result; \
\
- FORCE_FRAME_POINTER; \
+ int* array = FORCE_FRAME_POINTER; \
{ \
register long __v0 __asm__("$2") ncs_init; \
register long __a0 __asm__("$4") = (long) arg1; \
@@ -221,17 +222,18 @@
register long __a2 __asm__("$6") = (long) arg3; \
register long __a3 __asm__("$7") = (long) arg4; \
__asm__ __volatile__ ( \
- ".set\tnoreorder\n\t" \
- "subu\t$29, 32\n\t" \
+ ".set\tnoreorder\n\t" \
+ "subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
"sw\t%7, 20($29)\n\t" \
cs_init \
"syscall\n\t" \
- "addiu\t$29, 32\n\t" \
- ".set\treorder" \
+ "addiu\t$29, 32\n\t" \
+ "addiu\t%8, %8, 0\n\t" \
+ ".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2), \
- "r" ((long)arg5), "r" ((long)arg6) \
+ "r" ((long)arg5), "r" ((long)arg6), "r" (array) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
@@ -243,7 +245,7 @@
({ \
long _sys_result; \
\
- FORCE_FRAME_POINTER; \
+ int* array = FORCE_FRAME_POINTER; \
{ \
register long __v0 __asm__("$2") ncs_init; \
register long __a0 __asm__("$4") = (long) arg1; \
@@ -252,17 +254,19 @@
register long __a3 __asm__("$7") = (long) arg4; \
__asm__ __volatile__ ( \
".set\tnoreorder\n\t" \
- "subu\t$29, 32\n\t" \
+ "subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
"sw\t%7, 20($29)\n\t" \
"sw\t%8, 24($29)\n\t" \
cs_init \
"syscall\n\t" \
- "addiu\t$29, 32\n\t" \
- ".set\treorder" \
+ "addiu\t$29, 32\n\t" \
+ "addiu\t%9, %9, 0\n\t" \
+ ".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2), \
- "r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7) \
+ "r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7), \
+ "r" (array) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
diff --git a/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h b/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h
index 59d9f0807..bcdf124a4 100644
--- a/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h
+++ b/libc/sysdeps/linux/mips/bits/uClibc_arch_features.h
@@ -12,9 +12,6 @@
/* can your target use syscall6() for mmap ? */
#define __UCLIBC_MMAP_HAS_6_ARGS__
-/* does your target use statx */
-#undef __UCLIBC_HAVE_STATX__
-
/* does your target align 64bit values in register pairs ? (32bit arches only) */
#if _MIPS_SIM == _ABIO32
#define __UCLIBC_SYSCALL_ALIGN_64BIT__
diff --git a/libc/sysdeps/linux/mips/crt1.S b/libc/sysdeps/linux/mips/crt1.S
index 083615515..7c4db447c 100644
--- a/libc/sysdeps/linux/mips/crt1.S
+++ b/libc/sysdeps/linux/mips/crt1.S
@@ -78,6 +78,10 @@
.weak _init
.weak _fini
#endif
+#ifdef L_rcrt1
+ .type reloc_static_pie,@function
+ .hidden .L0
+#endif
.type main,@function
.type __uClibc_main,@function
.ent __start
@@ -90,6 +94,25 @@ __start:
PTR_LA $28, _gp /* Setup GP correctly if we're non-PIC. */
move $31, $0
#endif
+#ifdef L_rcrt1
+ PTR_LA $4, _DYNAMIC /* Place _DYNAMIC into the GOT */
+ REG_S $4, -0x7ff0($28) /* offset to GOT stolen from dl-startup */
+ jal .L0 /* Get the current $pc address */
+.L0:
+ PTR_SUBU $4, $31, $25 /* Calculate load addr */
+ move $31, $0 /* Clear ra */
+ and $29, -2 * SZREG /* Ensure stack is aligned */
+ PTR_ADDIU $29, (-2 * SZREG) /* Allocate 2 register spaces on stack */
+ REG_S $2, SZREG($29) /* Store atexit in case it exists */
+ PTR_LA $5, reloc_static_pie /* function calls before relocation
+ don't work unless we set $t9 manually */
+ PTR_ADDU $25, $4, $5 /* store reloc_static_pie in $t9 */
+ jalr $25 /* call reloc_static_pie */
+ nop /* delay slot, just in case */
+ REG_L $2, SZREG($29) /* cleanup stack */
+ PTR_ADDIU $29, $29, (2 * SZREG)
+
+#endif
PTR_LA $4, main /* main */
PTR_L $5, 0($29) /* argc */
diff --git a/libc/sysdeps/linux/mips/fpu_control.h b/libc/sysdeps/linux/mips/fpu_control.h
index f855af506..6aa05e4cf 100644
--- a/libc/sysdeps/linux/mips/fpu_control.h
+++ b/libc/sysdeps/linux/mips/fpu_control.h
@@ -1,7 +1,5 @@
/* FPU control word bits. Mips version.
- Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Olaf Flebbe and Ralf Baechle.
+ Copyright (C) 1996-2025 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
@@ -14,8 +12,8 @@
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/>. */
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
#ifndef _FPU_CONTROL_H
#define _FPU_CONTROL_H
@@ -28,7 +26,10 @@
* causing unimplemented operation exception. This bit is only
* available for MIPS III and newer.
* 23 -> Condition bit
- * 22-18 -> reserved (read as 0, write with 0)
+ * 22-21 -> reserved for architecture implementers
+ * 20 -> reserved (read as 0, write with 0)
+ * 19 -> IEEE 754-2008 non-arithmetic ABS.fmt and NEG.fmt enable
+ * 18 -> IEEE 754-2008 recommended NaN encoding enable
* 17 -> cause bit for unimplemented operation
* 16 -> cause bit for invalid exception
* 15 -> cause bit for division by zero exception
@@ -57,43 +58,74 @@
#include <features.h>
-/* masking of interrupts */
+#ifdef __mips_soft_float
+
+#define _FPU_RESERVED 0xffffffff
+#define _FPU_DEFAULT 0x00000000
+typedef unsigned int fpu_control_t;
+#define _FPU_GETCW(cw) (cw) = 0
+#define _FPU_SETCW(cw) (void) (cw)
+extern fpu_control_t __fpu_control;
+
+#else /* __mips_soft_float */
+
+/* Masks for interrupts. */
#define _FPU_MASK_V 0x0800 /* Invalid operation */
#define _FPU_MASK_Z 0x0400 /* Division by zero */
#define _FPU_MASK_O 0x0200 /* Overflow */
#define _FPU_MASK_U 0x0100 /* Underflow */
#define _FPU_MASK_I 0x0080 /* Inexact operation */
-/* flush denormalized numbers to zero */
+/* Flush denormalized numbers to zero. */
#define _FPU_FLUSH_TZ 0x1000000
-/* rounding control */
+/* IEEE 754-2008 compliance control. */
+#define _FPU_ABS2008 0x80000
+#define _FPU_NAN2008 0x40000
+
+/* Rounding control. */
#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */
#define _FPU_RC_ZERO 0x1
#define _FPU_RC_UP 0x2
#define _FPU_RC_DOWN 0x3
+/* Mask for rounding control. */
+#define _FPU_RC_MASK 0x3
-#define _FPU_RESERVED 0xfe3c0000 /* Reserved bits in cw */
+#define _FPU_RESERVED 0xfe8c0000 /* Reserved bits in cw, incl ABS/NAN2008. */
/* The fdlibm code requires strict IEEE double precision arithmetic,
and no interrupts for exceptions, rounding to nearest. */
+#ifdef __mips_nan2008
+# define _FPU_DEFAULT 0x000C0000
+#else
+# define _FPU_DEFAULT 0x00000000
+#endif
-#define _FPU_DEFAULT 0x00000000
-
-/* IEEE: same as above, but exceptions */
-#define _FPU_IEEE 0x00000F80
+/* IEEE: same as above, but exceptions. */
+#ifdef __mips_nan2008
+# define _FPU_IEEE 0x000C0F80
+#else
+# define _FPU_IEEE 0x00000F80
+#endif
/* Type of the control word. */
typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
/* Macros for accessing the hardware control word. */
-#define _FPU_GETCW(cw) __asm__ ("cfc1 %0,$31" : "=r" (cw))
-#define _FPU_SETCW(cw) __asm__ ("ctc1 %0,$31" : : "r" (cw))
+extern fpu_control_t __mips_fpu_getcw (void) __THROW;
+extern void __mips_fpu_setcw (fpu_control_t) __THROW;
+#ifdef __mips16
+# define _FPU_GETCW(cw) do { (cw) = __mips_fpu_getcw (); } while (0)
+# define _FPU_SETCW(cw) __mips_fpu_setcw (cw)
+#else
+# define _FPU_GETCW(cw) __asm__ volatile ("cfc1 %0,$31" : "=r" (cw))
+# define _FPU_SETCW(cw) __asm__ volatile ("ctc1 %0,$31" : : "r" (cw))
+#endif
-#if 0
/* Default control word set at startup. */
extern fpu_control_t __fpu_control;
-#endif
+
+#endif /* __mips_soft_float */
#endif /* fpu_control.h */
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 19:07:31 +0000