X-Git-Url: http://dolda2000.com/gitweb/?p=utils.git;a=blobdiff_plain;f=dumpmem.c;fp=dumpmem.c;h=4f30fa2c22879b7f424c138c8fedbd311bf4e60b;hp=0000000000000000000000000000000000000000;hb=1c2fdcc245551183bbddfaa80bd9328062fc4ed1;hpb=5011fbe0143d3a9961cd31b8fe39783d9abe9714

diff --git a/dumpmem.c b/dumpmem.c
new file mode 100644
index 0000000..4f30fa2
--- /dev/null
+++ b/dumpmem.c
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ptrace.h>
+#include <errno.h>
+
+unsigned char buf[1024];
+
+int main(int argc, unsigned char **argv)
+{
+    pid_t pid;
+    unsigned long addr1, addr2;
+    int buf;
+    
+    if(argc < 4)
+    {
+	fprintf(stderr, "Not enough args\n");
+	return(1);
+    }
+    pid = strtol(argv[1], NULL, 0);
+    addr1 = (unsigned long)strtoll(argv[2], NULL, 0);
+    addr2 = (unsigned long)strtoll(argv[3], NULL, 0);
+    if(ptrace(PTRACE_ATTACH, pid, NULL, NULL))
+    {
+	perror("PTRACE_ATTACH");
+	return(1);
+    }
+    for(; addr1 < addr2; addr1 += sizeof(int))
+    {
+	errno = 0;
+	if(((buf = ptrace(PTRACE_PEEKDATA, pid, (void *)addr1, NULL)) == -1) && errno)
+	{
+	    perror("PTRACE_PEEKDATA");
+	    if(ptrace(PTRACE_DETACH, pid, NULL, NULL))
+		perror("PTRACE_DETACH");
+	    return(1);
+	}
+	if(write(1, &buf, sizeof(buf)) != 4)
+	{
+	    perror("write");
+	    if(ptrace(PTRACE_DETACH, pid, NULL, NULL))
+		perror("PTRACE_DETACH");
+	    return(1);
+	}
+    }
+    if(ptrace(PTRACE_DETACH, pid, NULL, NULL))
+    {
+	perror("PTRACE_DETACH");
+	return(1);
+    }
+    return(0);
+}