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libsysdecode: Decode linux_clone syscall flags

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Reviewed by:		emaste
Differential Revision:	https://reviews.freebsd.org/D40150
MFC after:		1 week
This commit is contained in:
Dmitry Chagin 2023-05-26 19:32:20 +03:00
parent 3f1bfc136f
commit bd35e83bcf
3 changed files with 20 additions and 0 deletions
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18
lib/libsysdecode/linux.c
View file

@ -52,6 +52,7 @@ __FBSDID("$FreeBSD$");
#include <compat/linux/linux.h>
#include <compat/linux/linux_file.h>
#include <compat/linux/linux_fork.h>
#include <compat/linux/linux_time.h>
#define X(a,b) { a, #b },
@ -240,3 +241,20 @@ sysdecode_linux_open_flags(FILE *fp, int flags, int *rem)
*rem = val | mode;
return (printed);
}
bool
sysdecode_linux_clone_flags(FILE *fp, int flags, int *rem)
{
uintmax_t val;
bool printed;
int sig;
sig = flags & LINUX_CSIGNAL;
if (sig != 0)
fprintf(fp, "(%s)", sysdecode_linux_signal(sig));
val = (unsigned)flags & ~LINUX_CSIGNAL;
print_mask_part(fp, cloneflags, &val, &printed);
if (rem != NULL)
*rem = val;
return (printed);
}

1
lib/libsysdecode/mklinuxtables
View file

@ -94,6 +94,7 @@ gen_table "clockflags" "LINUX_TIMER_[A-Z_]+[[:space:]]+0x[0-9]+" "compat
gen_table "clockcpuids" "LINUX_CPUCLOCK_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_time.h" "_MASK|_MAX"
gen_table "openflags" "LINUX_O_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_file.h" "O_RDONLY|O_RDWR|O_WRONLY|O_ACCMODE"
gen_table "sigprocmaskhow" "LINUX_SIG_[A-Z]+[[:space:]]+[0-9]+" "compat/linux/linux.h"
gen_table "cloneflags" "LINUX_CLONE_[A-Z_]+[[:space:]]+[[:alnum:]]+" "compat/linux/linux_fork.h" "LINUX_CLONE_LEGACY_FLAGS|LINUX_CLONE_CLEAR_SIGHAND|LINUX_CLONE_INTO_CGROUP|LINUX_CLONE_NEWTIME"
# Generate a .depend file for our output file
if [ -n "$output_file" ]; then

1
lib/libsysdecode/sysdecode.h
View file

@ -142,6 +142,7 @@ bool sysdecode_shmflags(FILE *_fp, int _flags, int *_rem);
bool sysdecode_linux_atflags(FILE *_fp, int _flag, int *_rem);
void sysdecode_linux_clockid(FILE *_fp, clockid_t _which);
bool sysdecode_linux_clock_flags(FILE *_fp, int _flags, int *_rem);
bool sysdecode_linux_clone_flags(FILE *_fp, int _flags, int *_rem);
bool sysdecode_linux_open_flags(FILE *_fp, int _flags, int *_rem);
const char *sysdecode_linux_signal(int _sig);
const char *sysdecode_linux_sigprocmask_how(int _how);