Add quick and dirty port of scanmem, a simple interactive debugging utility

for Linux, used to locate the address of a variable in an executing process.

WWW: http://code.google.com/p/scanmem/

1 files changed, 61 insertions, 0 deletions

diff --git a/sysutils/scanmem/files/patch-ptrace.c b/sysutils/scanmem/files/patch-ptrace.c
new file mode 100644
index 000000000000..b301e358fe20
--- /dev/null
+++ b/sysutils/scanmem/files/patch-ptrace.c
@@ -0,0 +1,61 @@
+--- ptrace.c.orig	2012-04-22 03:04:11 UTC
++++ ptrace.c
+@@ -22,11 +22,13 @@
+ 
+ #include "config.h"
+ 
++#if 0
+ /* for pread */
+ # ifdef _XOPEN_SOURCE
+ #  undef _XOPEN_SOURCE
+ # endif
+ # define _XOPEN_SOURCE 500
++#endif
+ 
+ #include <time.h>
+ #include <sys/types.h>
+@@ -376,7 +378,7 @@ bool checkmatches(globals_t * vars, 
+     return detach(vars->target);
+ }
+ 
+-/* read region using /proc/pid/mem */
++/* read region using /compat/linux/proc/pid/mem */
+ ssize_t readregion(pid_t target, void *buf, size_t count, unsigned long offset)
+ {
+     char mem[32];
+@@ -384,7 +386,7 @@ ssize_t readregion(pid_t target, void *b
+     ssize_t len;
+     
+     /* print the path to mem file */
+-    snprintf(mem, sizeof(mem), "/proc/%d/mem", target);
++    snprintf(mem, sizeof(mem), "/compat/linux/proc/%d/mem", target);
+     
+     /* attempt to open the file */
+     if ((fd = open(mem, O_RDONLY)) == -1) {
+@@ -498,7 +500,7 @@ bool searchregions(globals_t * vars, sca
+         }
+ 
+ #else     
+-        /* cannot use /proc/pid/mem */
++        /* cannot use /compat/linux/proc/pid/mem */
+         nread = r->size;
+ #endif
+         /* print a progress meter so user knows we havent crashed */
+@@ -632,7 +634,7 @@ bool setaddr(pid_t target, void *addr, c
+         return false;
+     }
+ 
+-    /* TODO: may use /proc/<pid>/mem here */
++    /* TODO: may use /compat/linux/proc/<pid>/mem here */
+     /* assume that sizeof(save.int64_value) (int64_t) is multiple of sizeof(long) */
+     for (i = 0; i < sizeof(saved.int64_value); i += sizeof(long)) 
+     {
+@@ -687,7 +689,7 @@ bool read_array(pid_t target, void *addr
+ #endif
+ }
+ 
+-/* TODO: may use /proc/<pid>/mem here */
++/* TODO: may use /compat/linux/proc/<pid>/mem here */
+ bool write_array(pid_t target, void *addr, const void *data, int len)
+ {
+     int i,j;