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| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-06-22 11:26:10 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-07-06 11:02:14 +0000 |
| commit | a5113000069a7e678f1f769b280f53b00ebfcade (patch) | |
| tree | 711e3cfc00a36c849afef6f6d7645663e5555e82 | |
| parent | 46ebfcb039c6842d50da3cd1ba7695761c91497c (diff) | |
| download | src-a5113000069a7e678f1f769b280f53b00ebfcade.tar.gz src-a5113000069a7e678f1f769b280f53b00ebfcade.zip | |
libsysdecode: Decode Linux open() flags
MFC after: 2 weeks
(cherry picked from commit fde775bc53de5b5abecdf8679f47bb3aa236e546)
| -rw-r--r-- | lib/libsysdecode/linux.c | 35 | ||||
| -rw-r--r-- | lib/libsysdecode/mklinuxtables | 1 | ||||
| -rw-r--r-- | lib/libsysdecode/sysdecode.h | 1 |
3 files changed, 37 insertions, 0 deletions
diff --git a/lib/libsysdecode/linux.c b/lib/libsysdecode/linux.c index 8a3b88a7bfca..ef015dab6dd8 100644 --- a/lib/libsysdecode/linux.c +++ b/lib/libsysdecode/linux.c @@ -205,3 +205,38 @@ sysdecode_linux_atflags(FILE *fp, int flag, int *rem) return (print_mask_int(fp, atflags, flag, rem)); } + +bool +sysdecode_linux_open_flags(FILE *fp, int flags, int *rem) +{ + bool printed; + int mode; + uintmax_t val; + + mode = flags & LINUX_O_ACCMODE; + flags &= ~LINUX_O_ACCMODE; + switch (mode) { + case LINUX_O_RDONLY: + fputs("O_RDONLY", fp); + printed = true; + mode = 0; + break; + case LINUX_O_WRONLY: + fputs("O_WRONLY", fp); + printed = true; + mode = 0; + break; + case LINUX_O_RDWR: + fputs("O_RDWR", fp); + printed = true; + mode = 0; + break; + default: + printed = false; + } + val = (unsigned)flags; + print_mask_part(fp, openflags, &val, &printed); + if (rem != NULL) + *rem = val | mode; + return (printed); +} diff --git a/lib/libsysdecode/mklinuxtables b/lib/libsysdecode/mklinuxtables index 734d69fca9cf..bcd6ddb5f618 100644 --- a/lib/libsysdecode/mklinuxtables +++ b/lib/libsysdecode/mklinuxtables @@ -92,6 +92,7 @@ gen_table "atflags" "LINUX_AT_[A-Z_]+[[:space:]]+[0-9]+" "compat gen_table "clockids" "LINUX_CLOCK_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_timer.h" gen_table "clockflags" "LINUX_TIMER_[A-Z_]+[[:space:]]+0x[0-9]+" "compat/linux/linux_timer.h" gen_table "clockcpuids" "LINUX_CPUCLOCK_[A-Z_]+[[:space:]]+[0-9]+" "compat/linux/linux_timer.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" # Generate a .depend file for our output file diff --git a/lib/libsysdecode/sysdecode.h b/lib/libsysdecode/sysdecode.h index ae09077e969e..4ea2989ca185 100644 --- a/lib/libsysdecode/sysdecode.h +++ b/lib/libsysdecode/sysdecode.h @@ -144,6 +144,7 @@ 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_open_flags(FILE *_fp, int _flags, int *_rem); const char *sysdecode_linux_signal(int _sig); const char *sysdecode_linux_sigprocmask_how(int _how); |