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Restore the API of the kf_sa_local and kf_sa_peer members.

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In 11.x and earlier these were accessible as direct members of 'struct
kinfo_file'.  Existing code already knows about the new location of
these members as well, so wrapper macros did not work for these
fields.  Instead, define an anonymous struct containing the fields
from 'struct kinfo_file' in FreeBSD 11 that were not part of the
'kf_un' union.  This anonymous struct is then placed in an anonymous
union along with the new 'kf_un' union.  This preserves the API of
both structure layouts without requiring any wrapper macros.

PR:		231525
Reviewed by:	kib
Approved by:	re (gjb)
Differential Revision:	https://reviews.freebsd.org/D17262
This commit is contained in:
John Baldwin 2018-09-24 18:20:38 +00:00
parent 7a102e0463
commit b65a9568f8
1 changed files with 88 additions and 83 deletions
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171
sys/sys/user.h
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@ -346,85 +346,96 @@ struct kinfo_file {
int64_t kf_offset; /* Seek location. */
union {
struct {
/* Sendq size */
uint32_t kf_sock_sendq;
/* Socket domain. */
int kf_sock_domain0;
/* Socket type. */
int kf_sock_type0;
/* Socket protocol. */
int kf_sock_protocol0;
/* Socket address. */
/* API compatiblity with FreeBSD < 12. */
int kf_vnode_type;
int kf_sock_domain;
int kf_sock_type;
int kf_sock_protocol;
struct sockaddr_storage kf_sa_local;
/* Peer address. */
struct sockaddr_storage kf_sa_peer;
/* Address of so_pcb. */
uint64_t kf_sock_pcb;
/* Address of inp_ppcb. */
uint64_t kf_sock_inpcb;
/* Address of unp_conn. */
uint64_t kf_sock_unpconn;
/* Send buffer state. */
uint16_t kf_sock_snd_sb_state;
/* Receive buffer state. */
uint16_t kf_sock_rcv_sb_state;
/* Recvq size. */
uint32_t kf_sock_recvq;
} kf_sock;
struct {
/* Vnode type. */
int kf_file_type;
/* Space for future use */
int kf_spareint[3];
uint64_t kf_spareint64[30];
/* Vnode filesystem id. */
uint64_t kf_file_fsid;
/* File device. */
uint64_t kf_file_rdev;
/* Global file id. */
uint64_t kf_file_fileid;
/* File size. */
uint64_t kf_file_size;
/* Vnode filesystem id, FreeBSD 11 compat. */
uint32_t kf_file_fsid_freebsd11;
/* File device, FreeBSD 11 compat. */
uint32_t kf_file_rdev_freebsd11;
/* File mode. */
uint16_t kf_file_mode;
/* Round to 64 bit alignment. */
uint16_t kf_file_pad0;
uint32_t kf_file_pad1;
} kf_file;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
uint32_t kf_sem_value;
uint16_t kf_sem_mode;
} kf_sem;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
uint64_t kf_pipe_addr;
uint64_t kf_pipe_peer;
uint32_t kf_pipe_buffer_cnt;
/* Round to 64 bit alignment. */
uint32_t kf_pipe_pad0[3];
} kf_pipe;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
uint32_t kf_pts_dev_freebsd11;
uint32_t kf_pts_pad0;
uint64_t kf_pts_dev;
/* Round to 64 bit alignment. */
uint32_t kf_pts_pad1[4];
} kf_pts;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
pid_t kf_pid;
} kf_proc;
} kf_un;
};
union {
struct {
/* Sendq size */
uint32_t kf_sock_sendq;
/* Socket domain. */
int kf_sock_domain0;
/* Socket type. */
int kf_sock_type0;
/* Socket protocol. */
int kf_sock_protocol0;
/* Socket address. */
struct sockaddr_storage kf_sa_local;
/* Peer address. */
struct sockaddr_storage kf_sa_peer;
/* Address of so_pcb. */
uint64_t kf_sock_pcb;
/* Address of inp_ppcb. */
uint64_t kf_sock_inpcb;
/* Address of unp_conn. */
uint64_t kf_sock_unpconn;
/* Send buffer state. */
uint16_t kf_sock_snd_sb_state;
/* Receive buffer state. */
uint16_t kf_sock_rcv_sb_state;
/* Recvq size. */
uint32_t kf_sock_recvq;
} kf_sock;
struct {
/* Vnode type. */
int kf_file_type;
/* Space for future use */
int kf_spareint[3];
uint64_t kf_spareint64[30];
/* Vnode filesystem id. */
uint64_t kf_file_fsid;
/* File device. */
uint64_t kf_file_rdev;
/* Global file id. */
uint64_t kf_file_fileid;
/* File size. */
uint64_t kf_file_size;
/* Vnode filesystem id, FreeBSD 11 compat. */
uint32_t kf_file_fsid_freebsd11;
/* File device, FreeBSD 11 compat. */
uint32_t kf_file_rdev_freebsd11;
/* File mode. */
uint16_t kf_file_mode;
/* Round to 64 bit alignment. */
uint16_t kf_file_pad0;
uint32_t kf_file_pad1;
} kf_file;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
uint32_t kf_sem_value;
uint16_t kf_sem_mode;
} kf_sem;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
uint64_t kf_pipe_addr;
uint64_t kf_pipe_peer;
uint32_t kf_pipe_buffer_cnt;
/* Round to 64 bit alignment. */
uint32_t kf_pipe_pad0[3];
} kf_pipe;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
uint32_t kf_pts_dev_freebsd11;
uint32_t kf_pts_pad0;
uint64_t kf_pts_dev;
/* Round to 64 bit alignment. */
uint32_t kf_pts_pad1[4];
} kf_pts;
struct {
uint32_t kf_spareint[4];
uint64_t kf_spareint64[32];
pid_t kf_pid;
} kf_proc;
} kf_un;
};
uint16_t kf_status; /* Status flags. */
uint16_t kf_pad1; /* Round to 32 bit alignment. */
int _kf_ispare0; /* Space for more stuff. */
@ -433,12 +444,6 @@ struct kinfo_file {
/* Truncated before copyout in sysctl */
char kf_path[PATH_MAX]; /* Path to file, if any. */
};
#ifndef _KERNEL
#define kf_vnode_type kf_un.kf_file.kf_file_type
#define kf_sock_domain kf_un.kf_sock.kf_sock_domain0
#define kf_sock_type kf_un.kf_sock.kf_sock_type0
#define kf_sock_protocol kf_un.kf_sock.kf_sock_protocol0
#endif
/*
* The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of