Add -e trace=memory option

Add a new 'memory' category for tracing memory mapping related syscalls.

Affected syscalls are: break, brk, get_mempolicy, madvise, mbind,
migrate_pages, mincore, mlock, mlockall, mmap, move_pages, mprotect,
mremap, msync, munlock, munlockall, munmap, remap_file_pages, and
set_mempolicy.

* defs.h (TRACE_MEMORY): New macro.
* syscall.c (lookup_class): Handle trace=memory option.
* strace.1: Document it.
* linux/alpha/syscallent.h: Add TM flag to memory mapping related syscalls.
* linux/arm/syscallent.h: Likewise.
* linux/avr32/syscallent.h: Likewise.
* linux/bfin/syscallent.h: Likewise.
* linux/hppa/syscallent.h: Likewise.
* linux/i386/syscallent.h: Likewise.
* linux/ia64/syscallent.h: Likewise.
* linux/m68k/syscallent.h: Likewise.
* linux/microblaze/syscallent.h: Likewise.
* linux/mips/syscallent.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/s390/syscallent.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/sparc/syscallent.h: Likewise.
* linux/tile/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
diff --git a/strace.1 b/strace.1
index faf4d45..f31b217 100644
--- a/strace.1
+++ b/strace.1
@@ -395,6 +395,9 @@
 .BR "\-e\ trace" = desc
 Trace all file descriptor related system calls.
 .TP
+.BR "\-e\ trace" = memory
+Trace all memory mapping related system calls.
+.TP
 \fB\-e\ abbrev\fR=\fIset\fR
 Abbreviate the output from printing each member of large structures.
 The default is