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Diffstat (limited to 'man5/proc_pid_maps.5')
| -rw-r--r-- | man5/proc_pid_maps.5 | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/man5/proc_pid_maps.5 b/man5/proc_pid_maps.5 deleted file mode 100644 index 25fbbde..0000000 --- a/man5/proc_pid_maps.5 +++ /dev/null @@ -1,156 +0,0 @@ -.\" Copyright (C) 1994, 1995, Daniel Quinlan <quinlan@yggdrasil.com> -.\" Copyright (C) 2002-2008, 2017, Michael Kerrisk <mtk.manpages@gmail.com> -.\" Copyright (C) 2023, Alejandro Colomar <alx@kernel.org> -.\" -.\" SPDX-License-Identifier: GPL-3.0-or-later -.\" -.TH proc_pid_maps 5 2023-09-07 "Linux man-pages 6.7" -.SH NAME -/proc/pid/maps \- mapped memory regions -.SH DESCRIPTION -.TP -.IR /proc/ pid /maps -A file containing the currently mapped memory regions and their access -permissions. -See -.BR mmap (2) -for some further information about memory mappings. -.IP -Permission to access this file is governed by a ptrace access mode -.B PTRACE_MODE_READ_FSCREDS -check; see -.BR ptrace (2). -.IP -The format of the file is: -.IP -.in +4n -.EX -.I "address perms offset dev inode pathname" -00400000\-00452000 r\-xp 00000000 08:02 173521 /usr/bin/dbus\-daemon -00651000\-00652000 r\-\-p 00051000 08:02 173521 /usr/bin/dbus\-daemon -00652000\-00655000 rw\-p 00052000 08:02 173521 /usr/bin/dbus\-daemon -00e03000\-00e24000 rw\-p 00000000 00:00 0 [heap] -00e24000\-011f7000 rw\-p 00000000 00:00 0 [heap] -\&... -35b1800000\-35b1820000 r\-xp 00000000 08:02 135522 /usr/lib64/ld\-2.15.so -35b1a1f000\-35b1a20000 r\-\-p 0001f000 08:02 135522 /usr/lib64/ld\-2.15.so -35b1a20000\-35b1a21000 rw\-p 00020000 08:02 135522 /usr/lib64/ld\-2.15.so -35b1a21000\-35b1a22000 rw\-p 00000000 00:00 0 -35b1c00000\-35b1dac000 r\-xp 00000000 08:02 135870 /usr/lib64/libc\-2.15.so -35b1dac000\-35b1fac000 \-\-\-p 001ac000 08:02 135870 /usr/lib64/libc\-2.15.so -35b1fac000\-35b1fb0000 r\-\-p 001ac000 08:02 135870 /usr/lib64/libc\-2.15.so -35b1fb0000\-35b1fb2000 rw\-p 001b0000 08:02 135870 /usr/lib64/libc\-2.15.so -\&... -f2c6ff8c000\-7f2c7078c000 rw\-p 00000000 00:00 0 [stack:986] -\&... -7fffb2c0d000\-7fffb2c2e000 rw\-p 00000000 00:00 0 [stack] -7fffb2d48000\-7fffb2d49000 r\-xp 00000000 00:00 0 [vdso] -.EE -.in -.IP -The -.I address -field is the address space in the process that the mapping occupies. -The -.I perms -field is a set of permissions: -.IP -.in +4n -.EX -r = read -w = write -x = execute -s = shared -p = private (copy on write) -.EE -.in -.IP -The -.I offset -field is the offset into the file/whatever; -.I dev -is the device -(major:minor); -.I inode -is the inode on that device. -0 indicates that no inode is associated with the memory region, -as would be the case with BSS (uninitialized data). -.IP -The -.I pathname -field will usually be the file that is backing the mapping. -For ELF files, -you can easily coordinate with the -.I offset -field by looking at the -Offset field in the ELF program headers -.RI ( "readelf\ \-l" ). -.IP -There are additional helpful pseudo-paths: -.RS -.TP -.I [stack] -The initial process's (also known as the main thread's) stack. -.TP -.IR [stack: tid ] " (from Linux 3.4 to Linux 4.4)" -.\" commit b76437579d1344b612cf1851ae610c636cec7db0 (added) -.\" commit 65376df582174ffcec9e6471bf5b0dd79ba05e4a (removed) -A thread's stack (where the -.I tid -is a thread ID). -It corresponds to the -.IR /proc/ pid /task/ tid / -path. -This field was removed in Linux 4.5, since providing this information -for a process with large numbers of threads is expensive. -.TP -.I [vdso] -The virtual dynamically linked shared object. -See -.BR vdso (7). -.TP -.I [heap] -The process's heap. -.TP -.IR [anon: name ] " (since Linux 5.17)" -.\" Commit 9a10064f5625d5572c3626c1516e0bebc6c9fe9b -A named private anonymous mapping. -Set with -.BR prctl (2) -.BR PR_SET_VMA_ANON_NAME . -.TP -.IR [anon_shmem: name ] " (since Linux 6.2)" -.\" Commit d09e8ca6cb93bb4b97517a18fbbf7eccb0e9ff43 -A named shared anonymous mapping. -Set with -.BR prctl (2) -.BR PR_SET_VMA_ANON_NAME . -.in -.RE -.IP -If the -.I pathname -field is blank, -this is an anonymous mapping as obtained via -.BR mmap (2). -There is no easy way to coordinate this back to a process's source, -short of running it through -.BR gdb (1), -.BR strace (1), -or similar. -.IP -.I pathname -is shown unescaped except for newline characters, which are replaced -with an octal escape sequence. -As a result, it is not possible to determine whether the original -pathname contained a newline character or the literal -.I \e012 -character sequence. -.IP -If the mapping is file-backed and the file has been deleted, the string -" (deleted)" is appended to the pathname. -Note that this is ambiguous too. -.IP -Under Linux 2.0, there is no field giving pathname. -.SH SEE ALSO -.BR proc (5) |