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| author | Alejandro Colomar <alx@kernel.org> | 2024-05-28 22:55:18 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2024-05-31 01:40:55 +0200 |
| commit | 5740e2cac0d89fd7c32b397c8de5ce088db1ccf8 (patch) | |
| tree | f0cd7213ff68ec835c4b6f0d2dff3356c46a9bac | |
| parent | 0c68fe6ecd791584e5a5c42008a9f5b0378558e4 (diff) | |
| download | man-pages-5740e2cac0d89fd7c32b397c8de5ce088db1ccf8.tar.gz | |
PR_SET_MM.2const, PR_SET_MM_{START,END}_CODE.2const: Split PR_SET_MM_*_CODE from PR_SET_MM(2const)
Signed-off-by: Alejandro Colomar <alx@kernel.org>
| -rw-r--r-- | man/man2const/PR_SET_MM.2const | 18 | ||||
| -rw-r--r-- | man/man2const/PR_SET_MM_END_CODE.2const | 1 | ||||
| -rw-r--r-- | man/man2const/PR_SET_MM_START_CODE.2const | 60 |
3 files changed, 65 insertions, 14 deletions
diff --git a/man/man2const/PR_SET_MM.2const b/man/man2const/PR_SET_MM.2const index 039442eb3e..88a01eb323 100644 --- a/man/man2const/PR_SET_MM.2const +++ b/man/man2const/PR_SET_MM.2const @@ -35,18 +35,8 @@ The value in is one of the options below. .TP .B PR_SET_MM_START_CODE -Set the address above which the program text can run. -The corresponding memory area must be readable and executable, -but not writable or shareable (see -.BR mprotect (2) -and -.BR mmap (2) -for more information). -.TP +.TQ .B PR_SET_MM_END_CODE -Set the address below which the program text can run. -The corresponding memory area must be readable and executable, -but not writable or shareable. .TP .B PR_SET_MM_START_DATA Set the address above which initialized and @@ -221,8 +211,6 @@ is greater than .B EINVAL .I op is -.BR PR_SET_MM_START_CODE , -.BR PR_SET_MM_END_CODE , .BR PR_SET_MM_START_DATA , .BR PR_SET_MM_END_DATA , or @@ -258,4 +246,6 @@ this feature is available only if the kernel is built with the .B CONFIG_CHECKPOINT_RESTORE option enabled. .SH SEE ALSO -.BR prctl (2) +.BR prctl (2), +.BR PR_SET_MM_START_CODE (2const), +.BR PR_SET_MM_END_CODE (2const) diff --git a/man/man2const/PR_SET_MM_END_CODE.2const b/man/man2const/PR_SET_MM_END_CODE.2const new file mode 100644 index 0000000000..d3303aaa98 --- /dev/null +++ b/man/man2const/PR_SET_MM_END_CODE.2const @@ -0,0 +1 @@ +.so man2const/PR_SET_MM_START_CODE.2const diff --git a/man/man2const/PR_SET_MM_START_CODE.2const b/man/man2const/PR_SET_MM_START_CODE.2const new file mode 100644 index 0000000000..cf52285729 --- /dev/null +++ b/man/man2const/PR_SET_MM_START_CODE.2const @@ -0,0 +1,60 @@ +.\" Copyright 2012, Cyrill Gorcunov <gorcunov@openvz.org> +.\" Copyright 2012, 2013, 2015, Michael Kerrisk <mtk.manpages@gmail.com> +.\" Copyright 2024, Alejandro Colomar <alx@kernel.org> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH PR_SET_MM_START_CODE 2const (date) "Linux man-pages (unreleased)" +.SH NAME +PR_SET_MM_START_CODE, +PR_SET_MM_END_CODE +\- +modify kernel memory map descriptor fields +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <sys/prctl.h> +.P +.BI "int prctl(PR_SET_MM, PR_SET_MM_START_CODE, unsigned long " addr ", 0L, 0L);" +.BI "int prctl(PR_SET_MM, PR_SET_MM_END_CODE, unsigned long " addr ", 0L, 0L);" +.fi +.SH DESCRIPTION +.TP +.B PR_SET_MM_START_CODE +Set the address above which the program text can run. +The corresponding memory area must be readable and executable, +but not writable or shareable (see +.BR mprotect (2) +and +.BR mmap (2) +for more information). +.TP +.B PR_SET_MM_END_CODE +Set the address below which the program text can run. +The corresponding memory area must be readable and executable, +but not writable or shareable. +.SH RETURN VALUE +On success, +0 is returned. +On error, \-1 is returned, and +.I errno +is set to indicate the error. +.SH ERRORS +.TP +.B EINVAL +.I addr +is greater than +.B TASK_SIZE +(the limit on the size of the user address space for this architecture). +.TP +.B EINVAL +The permissions of the corresponding memory area are not as required. +.SH STANDARDS +Linux. +.SH HISTORY +Linux 3.3. +.\" commit 028ee4be34a09a6d48bdf30ab991ae933a7bc036 +.SH SEE ALSO +.BR prctl (2) |