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Add PTRACE_GET_SYSCALL_INFO from Linux 5.3 to sys/ptrace.h.

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Linux 5.3 adds a PTRACE_GET_SYSCALL_INFO constant, with an associated
structure and PTRACE_SYSCALL_INFO_* constants.

This patch adds these to sys/ptrace.h in glibc
(PTRACE_GET_SYSCALL_INFO in each architecture version, the rest in
bits/ptrace-shared.h).  As with previous such constants and associated
structures, the glibc version of the structure is named struct
__ptrace_syscall_info.

Tested for x86_64, and with build-many-glibcs.py.
This commit is contained in:
Joseph Myers 2019-10-14 23:43:52 +00:00
parent 2e4e75727e
commit d1e411e5c7
9 changed files with 96 additions and 7 deletions
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6
sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h
View File

@ -136,8 +136,12 @@ enum __ptrace_request
#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
/* Get seccomp BPF filter metadata. */
PTRACE_SECCOMP_GET_METADATA = 0x420d
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
};

6
sysdeps/unix/sysv/linux/arm/sys/ptrace.h
View File

@ -196,8 +196,12 @@ enum __ptrace_request
#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
/* Get seccomp BPF filter metadata. */
PTRACE_SECCOMP_GET_METADATA = 0x420d
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
};

47
sysdeps/unix/sysv/linux/bits/ptrace-shared.h
View File

@ -52,6 +52,15 @@ enum __ptrace_eventcodes
PTRACE_EVENT_STOP = 128
};
/* Type of stop for PTRACE_GET_SYSCALL_INFO. */
enum __ptrace_get_syscall_info_op
{
PTRACE_SYSCALL_INFO_NONE = 0,
PTRACE_SYSCALL_INFO_ENTRY = 1,
PTRACE_SYSCALL_INFO_EXIT = 2,
PTRACE_SYSCALL_INFO_SECCOMP = 3
};
/* Arguments for PTRACE_PEEKSIGINFO. */
struct __ptrace_peeksiginfo_args
{
@ -73,6 +82,44 @@ struct __ptrace_seccomp_metadata
__uint64_t flags; /* Output: filter's flags. */
};
/* Results of PTRACE_GET_SYSCALL_INFO. */
struct __ptrace_syscall_info
{
__uint8_t op; /* One of the enum
__ptrace_get_syscall_info_op
values. */
__uint32_t arch __attribute__ ((__aligned__ (4))); /* AUDIT_ARCH_*
value. */
__uint64_t instruction_pointer; /* Instruction pointer. */
__uint64_t stack_pointer; /* Stack pointer. */
union
{
/* System call number and arguments, for
PTRACE_SYSCALL_INFO_ENTRY. */
struct
{
__uint64_t nr;
__uint64_t args[6];
} entry;
/* System call return value and error flag, for
PTRACE_SYSCALL_INFO_EXIT. */
struct
{
__int64_t rval;
__uint8_t is_error;
} exit;
/* System call number, arguments and SECCOMP_RET_DATA portion of
SECCOMP_RET_TRACE return value, for
PTRACE_SYSCALL_INFO_SECCOMP. */
struct
{
__uint64_t nr;
__uint64_t args[6];
__uint32_t ret_data;
} seccomp;
};
};
/* Perform process tracing functions. REQUEST is one of the values
above, and determines the action to be taken.
For all requests except PTRACE_TRACEME, PID specifies the process to be

6
sysdeps/unix/sysv/linux/ia64/sys/ptrace.h
View File

@ -149,8 +149,12 @@ enum __ptrace_request
#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
/* Get seccomp BPF filter metadata. */
PTRACE_SECCOMP_GET_METADATA = 0x420d
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
};

11
sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
View File

@ -38,6 +38,7 @@ __BEGIN_DECLS
# undef PTRACE_GETREGSET
# undef PTRACE_GETSIGINFO
# undef PTRACE_GETSIGMASK
# undef PTRACE_GET_SYSCALL_INFO
# undef PTRACE_GETVRREGS
# undef PTRACE_GETVSRREGS
# undef PTRACE_INTERRUPT
@ -65,6 +66,10 @@ __BEGIN_DECLS
# undef PTRACE_SINGLEBLOCK
# undef PTRACE_SINGLESTEP
# undef PTRACE_SYSCALL
# undef PTRACE_SYSCALL_INFO_NONE
# undef PTRACE_SYSCALL_INFO_ENTRY
# undef PTRACE_SYSCALL_INFO_EXIT
# undef PTRACE_SYSCALL_INFO_SECCOMP
# undef PTRACE_TRACEME
#endif
@ -241,8 +246,12 @@ enum __ptrace_request
#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
/* Get seccomp BPF filter metadata. */
PTRACE_SECCOMP_GET_METADATA = 0x420d
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
};

9
sysdeps/unix/sysv/linux/s390/sys/ptrace.h
View File

@ -79,6 +79,11 @@ __BEGIN_DECLS
# undef PTRACE_EVENT_SECCOMP
# undef PTRACE_EVENT_STOP
# undef PTRACE_PEEKSIGINFO_SHARED
# undef PTRACE_GET_SYSCALL_INFO
# undef PTRACE_SYSCALL_INFO_NONE
# undef PTRACE_SYSCALL_INFO_ENTRY
# undef PTRACE_SYSCALL_INFO_EXIT
# undef PTRACE_SYSCALL_INFO_SECCOMP
#endif
/* Type of the REQUEST argument to `ptrace.' */
enum __ptrace_request
@ -198,6 +203,10 @@ enum __ptrace_request
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e,
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
PTRACE_PEEKUSR_AREA = 0x5000,
#define PTRACE_PEEKUSR_AREA PTRACE_PEEKUSR_AREA

6
sysdeps/unix/sysv/linux/sparc/sys/ptrace.h
View File

@ -217,8 +217,12 @@ enum __ptrace_request
#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
/* Get seccomp BPF filter metadata. */
PTRACE_SECCOMP_GET_METADATA = 0x420d
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
};

6
sysdeps/unix/sysv/linux/sys/ptrace.h
View File

@ -166,8 +166,12 @@ enum __ptrace_request
#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
/* Get seccomp BPF filter metadata. */
PTRACE_SECCOMP_GET_METADATA = 0x420d
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
};

6
sysdeps/unix/sysv/linux/x86/sys/ptrace.h
View File

@ -186,8 +186,12 @@ enum __ptrace_request
#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
/* Get seccomp BPF filter metadata. */
PTRACE_SECCOMP_GET_METADATA = 0x420d
PTRACE_SECCOMP_GET_METADATA = 0x420d,
#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
/* Get information about system call. */
PTRACE_GET_SYSCALL_INFO = 0x420e
#define PTRACE_GET_SYSCALL_INFO PTRACE_GET_SYSCALL_INFO
};