path: root/arch/powerpc/bits
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authorRich Felker <>2019-08-02 15:41:27 -0400
committerRich Felker <>2019-11-02 18:30:56 -0400
commit38143339646a4ccce8afe298c34467767c899f51 (patch)
treea5eb879534856a4c13a7c7dfbb69f91713a08140 /arch/powerpc/bits
parent5127927f4ba449aff16f6a6db0224a24490ff5b9 (diff)
switch all existing 32-bit archs to 64-bit time_t
this commit preserves ABI fully for existing interface boundaries between libc and libc consumers (applications or libraries), by retaining existing symbol names for the legacy 32-bit interfaces and redirecting sources compiled against the new headers to alternate symbol names. this does not necessarily, however, preserve the pairwise ABI of libc consumers with one another; where they use time_t-derived types in their interfaces with one another, it may be necessary to synchronize updates with each other. the intent is that ABI resulting from this commit already be stable and permanent, but it will not be officially so until a release is made. changes to some header-defined types that do not play any role in the ABI between libc and its consumers may still be subject to change. mechanically, the changes made by this commit for each 32-bit arch are as follows: - _REDIR_TIME64 is defined to activate the symbol redirections in public headers - COMPAT_SRC_DIRS is defined in arch.mak to activate build of ABI compat shims to serve as definitions for the original symbol names - time_t and suseconds_t definitions are changed to long long (64-bit) - IPC_STAT definition is changed to add the IPC_TIME64 bit (0x100), triggering conversion of semid_ds, shmid_ds, and msqid_ds split low/high time bits into new time_t members - structs semid_ds, shmid_ds, msqid_ds, and stat are modified to add new 64-bit time_t/timespec members at the end, maintaining existing layout of other members. - socket options (SO_*) and ioctl (sockios) command macros are redefined to use the kernel's "_NEW" values. in addition, on archs where vdso clock_gettime is used, the VDSO_CGT_SYM macro definition in syscall_arch.h is changed to use a new time64 vdso function if available, and a new VDSO_CGT32_SYM macro is added for use as fallback on kernels lacking time64.
Diffstat (limited to 'arch/powerpc/bits')
8 files changed, 40 insertions, 25 deletions
diff --git a/arch/powerpc/bits/ b/arch/powerpc/bits/
index fd0c816c..8e003545 100644
--- a/arch/powerpc/bits/
+++ b/arch/powerpc/bits/
@@ -1,3 +1,4 @@
+#define _REDIR_TIME64 1
#define _Addr int
#define _Int64 long long
#define _Reg int
@@ -18,5 +19,5 @@ TYPEDEF double double_t;
TYPEDEF struct { long long __ll; long double __ld; } max_align_t;
-TYPEDEF long time_t;
-TYPEDEF long suseconds_t;
+TYPEDEF long long time_t;
+TYPEDEF long long suseconds_t;
diff --git a/arch/powerpc/bits/ioctl.h b/arch/powerpc/bits/ioctl.h
index b6cbb18f..ac9bfd20 100644
--- a/arch/powerpc/bits/ioctl.h
+++ b/arch/powerpc/bits/ioctl.h
@@ -116,5 +116,5 @@
#define FIOGETOWN 0x8903
#define SIOCGPGRP 0x8904
#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906
-#define SIOCGSTAMPNS 0x8907
+#define SIOCGSTAMP _IOR(0x89, 6, char[16])
+#define SIOCGSTAMPNS _IOR(0x89, 7, char[16])
diff --git a/arch/powerpc/bits/ipcstat.h b/arch/powerpc/bits/ipcstat.h
index 0018ad1e..4f4fcb0c 100644
--- a/arch/powerpc/bits/ipcstat.h
+++ b/arch/powerpc/bits/ipcstat.h
@@ -1 +1 @@
-#define IPC_STAT 2
+#define IPC_STAT 0x102
diff --git a/arch/powerpc/bits/msg.h b/arch/powerpc/bits/msg.h
index 171c11a3..9fb15dcc 100644
--- a/arch/powerpc/bits/msg.h
+++ b/arch/powerpc/bits/msg.h
@@ -1,15 +1,18 @@
struct msqid_ds {
struct ipc_perm msg_perm;
- int __unused1;
- time_t msg_stime;
- int __unused2;
- time_t msg_rtime;
- int __unused3;
- time_t msg_ctime;
+ unsigned long __msg_stime_hi;
+ unsigned long __msg_stime_lo;
+ unsigned long __msg_rtime_hi;
+ unsigned long __msg_rtime_lo;
+ unsigned long __msg_ctime_hi;
+ unsigned long __msg_ctime_lo;
unsigned long msg_cbytes;
msgqnum_t msg_qnum;
msglen_t msg_qbytes;
pid_t msg_lspid;
pid_t msg_lrpid;
unsigned long __unused[2];
+ time_t msg_stime;
+ time_t msg_rtime;
+ time_t msg_ctime;
diff --git a/arch/powerpc/bits/sem.h b/arch/powerpc/bits/sem.h
index bc2d6d1f..28be4845 100644
--- a/arch/powerpc/bits/sem.h
+++ b/arch/powerpc/bits/sem.h
@@ -1,10 +1,12 @@
struct semid_ds {
struct ipc_perm sem_perm;
- int __unused1;
- time_t sem_otime;
- int __unused2;
- time_t sem_ctime;
+ unsigned long __sem_otime_hi;
+ unsigned long __sem_otime_lo;
+ unsigned long __sem_ctime_hi;
+ unsigned long __sem_ctime_lo;
unsigned short __sem_nsems_pad, sem_nsems;
long __unused3;
long __unused4;
+ time_t sem_otime;
+ time_t sem_ctime;
diff --git a/arch/powerpc/bits/shm.h b/arch/powerpc/bits/shm.h
index b19801d5..fb1d4020 100644
--- a/arch/powerpc/bits/shm.h
+++ b/arch/powerpc/bits/shm.h
@@ -2,19 +2,21 @@
struct shmid_ds {
struct ipc_perm shm_perm;
- int __unused1;
- time_t shm_atime;
- int __unused2;
- time_t shm_dtime;
- int __unused3;
- time_t shm_ctime;
- int __unused4;
+ unsigned long __shm_atime_hi;
+ unsigned long __shm_atime_lo;
+ unsigned long __shm_dtime_hi;
+ unsigned long __shm_dtime_lo;
+ unsigned long __shm_ctime_hi;
+ unsigned long __shm_ctime_lo;
size_t shm_segsz;
pid_t shm_cpid;
pid_t shm_lpid;
unsigned long shm_nattch;
unsigned long __pad1;
unsigned long __pad2;
+ time_t shm_atime;
+ time_t shm_dtime;
+ time_t shm_ctime;
struct shminfo {
diff --git a/arch/powerpc/bits/socket.h b/arch/powerpc/bits/socket.h
index 557e324f..e5fa0f7a 100644
--- a/arch/powerpc/bits/socket.h
+++ b/arch/powerpc/bits/socket.h
@@ -15,8 +15,6 @@
#define SO_REUSEPORT 15
#define SO_RCVLOWAT 16
#define SO_SNDLOWAT 17
-#define SO_RCVTIMEO 18
-#define SO_SNDTIMEO 19
#define SO_PASSCRED 20
#define SO_PEERCRED 21
#define SO_ACCEPTCONN 30
@@ -25,3 +23,8 @@
#define SO_PROTOCOL 38
#define SO_DOMAIN 39
+#define SO_TIMESTAMP 63
+#define SO_TIMESTAMPNS 64
+#define SO_RCVTIMEO 66
+#define SO_SNDTIMEO 67
diff --git a/arch/powerpc/bits/stat.h b/arch/powerpc/bits/stat.h
index dcb896fd..585d98e9 100644
--- a/arch/powerpc/bits/stat.h
+++ b/arch/powerpc/bits/stat.h
@@ -13,8 +13,12 @@ struct stat {
off_t st_size;
blksize_t st_blksize;
blkcnt_t st_blocks;
+ struct {
+ long tv_sec;
+ long tv_nsec;
+ } __st_atim32, __st_mtim32, __st_ctim32;
+ unsigned __unused[2];
struct timespec st_atim;
struct timespec st_mtim;
struct timespec st_ctim;
- unsigned __unused[2];