Re: [Minios-devel] [UNIKRAFT PATCH 1/3] lib/posix-process: Add sys/prctl.h from newlib's glue code

[Mihai Pogonaru <pogonarumihai@xxxxxxxxx>]

Thank you Costin

Reviewed-by: Mihai Pogonaru <pogonarumihai@xxxxxxxxx>

On Sun, Oct 27, 2019 at 2:06 PM Costin Lupu <costin.lupu@xxxxxxxxx> wrote:
>
> It was initially imported from musl:
>
> Copied as is from the official musl git mirror
> git://git.musl-libc.org/musl, commit 6fcb440d.
>
> Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
> ---
>  lib/posix-process/include/sys/prctl.h | 163 ++++++++++++++++++++++++++
>  1 file changed, 163 insertions(+)
>  create mode 100644 lib/posix-process/include/sys/prctl.h
>
> diff --git a/lib/posix-process/include/sys/prctl.h 
> b/lib/posix-process/include/sys/prctl.h
> new file mode 100644
> index 00000000..07f0d73d
> --- /dev/null
> +++ b/lib/posix-process/include/sys/prctl.h
> @@ -0,0 +1,163 @@
> +#ifndef _SYS_PRCTL_H
> +#define _SYS_PRCTL_H
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +#include <stdint.h>
> +
> +#define PR_SET_PDEATHSIG  1
> +#define PR_GET_PDEATHSIG  2
> +#define PR_GET_DUMPABLE   3
> +#define PR_SET_DUMPABLE   4
> +#define PR_GET_UNALIGN   5
> +#define PR_SET_UNALIGN   6
> +#define PR_UNALIGN_NOPRINT 1
> +#define PR_UNALIGN_SIGBUS 2
> +#define PR_GET_KEEPCAPS   7
> +#define PR_SET_KEEPCAPS   8
> +#define PR_GET_FPEMU  9
> +#define PR_SET_FPEMU 10
> +#define PR_FPEMU_NOPRINT 1
> +#define PR_FPEMU_SIGFPE 2
> +#define PR_GET_FPEXC 11
> +#define PR_SET_FPEXC 12
> +#define PR_FP_EXC_SW_ENABLE 0x80
> +#define PR_FP_EXC_DIV  0x010000
> +#define PR_FP_EXC_OVF  0x020000
> +#define PR_FP_EXC_UND  0x040000
> +#define PR_FP_EXC_RES  0x080000
> +#define PR_FP_EXC_INV  0x100000
> +#define PR_FP_EXC_DISABLED 0
> +#define PR_FP_EXC_NONRECOV 1
> +#define PR_FP_EXC_ASYNC 2
> +#define PR_FP_EXC_PRECISE 3
> +#define PR_GET_TIMING   13
> +#define PR_SET_TIMING   14
> +#define PR_TIMING_STATISTICAL  0
> +#define PR_TIMING_TIMESTAMP    1
> +#define PR_SET_NAME    15
> +#define PR_GET_NAME    16
> +#define PR_GET_ENDIAN 19
> +#define PR_SET_ENDIAN 20
> +#define PR_ENDIAN_BIG 0
> +#define PR_ENDIAN_LITTLE 1
> +#define PR_ENDIAN_PPC_LITTLE 2
> +#define PR_GET_SECCOMP 21
> +#define PR_SET_SECCOMP 22
> +#define PR_CAPBSET_READ 23
> +#define PR_CAPBSET_DROP 24
> +#define PR_GET_TSC 25
> +#define PR_SET_TSC 26
> +#define PR_TSC_ENABLE 1
> +#define PR_TSC_SIGSEGV 2
> +#define PR_GET_SECUREBITS 27
> +#define PR_SET_SECUREBITS 28
> +#define PR_SET_TIMERSLACK 29
> +#define PR_GET_TIMERSLACK 30
> +
> +#define PR_TASK_PERF_EVENTS_DISABLE             31
> +#define PR_TASK_PERF_EVENTS_ENABLE              32
> +
> +#define PR_MCE_KILL     33
> +#define PR_MCE_KILL_CLEAR   0
> +#define PR_MCE_KILL_SET     1
> +#define PR_MCE_KILL_LATE    0
> +#define PR_MCE_KILL_EARLY   1
> +#define PR_MCE_KILL_DEFAULT 2
> +#define PR_MCE_KILL_GET 34
> +
> +#define PR_SET_MM               35
> +#define PR_SET_MM_START_CODE           1
> +#define PR_SET_MM_END_CODE             2
> +#define PR_SET_MM_START_DATA           3
> +#define PR_SET_MM_END_DATA             4
> +#define PR_SET_MM_START_STACK          5
> +#define PR_SET_MM_START_BRK            6
> +#define PR_SET_MM_BRK                  7
> +#define PR_SET_MM_ARG_START            8
> +#define PR_SET_MM_ARG_END              9
> +#define PR_SET_MM_ENV_START            10
> +#define PR_SET_MM_ENV_END              11
> +#define PR_SET_MM_AUXV                 12
> +#define PR_SET_MM_EXE_FILE             13
> +#define PR_SET_MM_MAP                  14
> +#define PR_SET_MM_MAP_SIZE             15
> +
> +struct prctl_mm_map {
> +       uint64_t start_code;
> +       uint64_t end_code;
> +       uint64_t start_data;
> +       uint64_t end_data;
> +       uint64_t start_brk;
> +       uint64_t brk;
> +       uint64_t start_stack;
> +       uint64_t arg_start;
> +       uint64_t arg_end;
> +       uint64_t env_start;
> +       uint64_t env_end;
> +       uint64_t *auxv;
> +       uint32_t auxv_size;
> +       uint32_t exe_fd;
> +};
> +
> +#define PR_SET_PTRACER 0x59616d61
> +#define PR_SET_PTRACER_ANY (-1UL)
> +
> +#define PR_SET_CHILD_SUBREAPER  36
> +#define PR_GET_CHILD_SUBREAPER  37
> +
> +#define PR_SET_NO_NEW_PRIVS     38
> +#define PR_GET_NO_NEW_PRIVS     39
> +
> +#define PR_GET_TID_ADDRESS      40
> +
> +#define PR_SET_THP_DISABLE      41
> +#define PR_GET_THP_DISABLE      42
> +
> +#define PR_MPX_ENABLE_MANAGEMENT  43
> +#define PR_MPX_DISABLE_MANAGEMENT 44
> +
> +#define PR_SET_FP_MODE          45
> +#define PR_GET_FP_MODE          46
> +#define PR_FP_MODE_FR (1 << 0)
> +#define PR_FP_MODE_FRE (1 << 1)
> +
> +#define PR_CAP_AMBIENT          47
> +#define PR_CAP_AMBIENT_IS_SET   1
> +#define PR_CAP_AMBIENT_RAISE    2
> +#define PR_CAP_AMBIENT_LOWER    3
> +#define PR_CAP_AMBIENT_CLEAR_ALL 4
> +
> +#define PR_SVE_SET_VL           50
> +#define PR_SVE_SET_VL_ONEXEC (1 << 18)
> +#define PR_SVE_GET_VL           51
> +#define PR_SVE_VL_LEN_MASK 0xffff
> +#define PR_SVE_VL_INHERIT (1 << 17)
> +
> +#define PR_GET_SPECULATION_CTRL 52
> +#define PR_SET_SPECULATION_CTRL 53
> +#define PR_SPEC_STORE_BYPASS 0
> +#define PR_SPEC_INDIRECT_BRANCH 1
> +#define PR_SPEC_NOT_AFFECTED 0
> +#define PR_SPEC_PRCTL (1UL << 0)
> +#define PR_SPEC_ENABLE (1UL << 1)
> +#define PR_SPEC_DISABLE (1UL << 2)
> +#define PR_SPEC_FORCE_DISABLE (1UL << 3)
> +#define PR_SPEC_DISABLE_NOEXEC (1UL << 4)
> +
> +#define PR_PAC_RESET_KEYS       54
> +#define PR_PAC_APIAKEY (1UL << 0)
> +#define PR_PAC_APIBKEY (1UL << 1)
> +#define PR_PAC_APDAKEY (1UL << 2)
> +#define PR_PAC_APDBKEY (1UL << 3)
> +#define PR_PAC_APGAKEY (1UL << 4)
> +
> +int prctl (int, ...);
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +#endif
> --
> 2.20.1
>

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