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authorolpc user <olpc@xo-5d-f7-86.localdomain>2020-01-10 18:05:43 -0800
committerolpc user <olpc@xo-5d-f7-86.localdomain>2020-01-10 18:05:43 -0800
commit3223a360d0e70f75497aecf8c033a4f987335b5b (patch)
treec34e5ed5d7aa83513447644b4774c0449336657f /intellect-framework-from-internet/starts/random-selfmod
parent26c980d302adce8e3d802cb8db8ab1c69d58ce1a (diff)
downloadstandingwithresilience-3223a360d0e70f75497aecf8c033a4f987335b5b.tar.gz
standingwithresilience-3223a360d0e70f75497aecf8c033a4f987335b5b.zip
I'm confused and am handling multiple unexpected systems issues
Diffstat (limited to 'intellect-framework-from-internet/starts/random-selfmod')
-rw-r--r--intellect-framework-from-internet/starts/random-selfmod/intellect.cpp162
-rw-r--r--intellect-framework-from-internet/starts/random-selfmod/makefile2
-rw-r--r--intellect-framework-from-internet/starts/random-selfmod/random.cpp108
3 files changed, 0 insertions, 272 deletions
diff --git a/intellect-framework-from-internet/starts/random-selfmod/intellect.cpp b/intellect-framework-from-internet/starts/random-selfmod/intellect.cpp
deleted file mode 100644
index 7991878..0000000
--- a/intellect-framework-from-internet/starts/random-selfmod/intellect.cpp
+++ /dev/null
@@ -1,162 +0,0 @@
-// The extreme of Trial Exploration and Self Coding
-// brainstorm_by(assembly code,running it)
-
-// the advantage of assembly code is that it is very easy to serialize
-// the advantage of random self-modification is that it is very easy to make
-// propose this is the first AI karl makes, and it runs in a safe isolated box, on its own
-// how to judge success? does-not-crash?
-// have to teach it learning. first is to not crash. then is to output requested string, likely copied from request. run it until it outputs requested string.
-// it's stupid enough to be safe if run in an isolated box.
-// due to how fast it should be to make this, let's finish barebones first, and then merge. XO computer likely doesn't have read-only-execute problem.
-
-// the below is a brief attempt to make an intellect by random self-modification. it does not run.
-// DO NOT RUN THIS UNLESS YOU KNOW WHAT YOU ARE DOING
-
-#include <cstdint>
-#include <vector>
-#include <set>
-#include <iostream>
-
-#include <signal.h>
-//#include <sys/mmap.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-using namespace std;
-
-// Signal Catching has the problem of how to resume execution generally.
-// So we propose to fork a new process, and switch to it if it works.
-// This will take forming a simple communication method between the processes.
-// We can also compile a whole new program to learn, copying our source.
-
-// TODO: Currently implementing fork/exec. changed approach
-
-// TODO: make sure to run inside a vm once it does something
-
-// TODO: try out rewriting and recompiling code, rather than forking ram
-
-class RamGetter
-{
-public:
- RamGetter()
- {
- randfile = open("/dev/urandom", O_RDONLY);
- if (randfile <= 0) throw 0;
- }
- ~RamGetter()
- {
- close(randfile);
- }
- void * getRandAddr(size_t len)
- {
- // TODO: this is a heuristic for picking an inner memory location, and learning what doesn't work; could be used in learning concept
- void * blkp;
- do {
- uint32_t blk;
- int ct = read(randfile, &blk, sizeof(blk));
- if (ct < sizeof(blk)) throw 0;
- blkp = reinterpret_cast<void*>(blk);
- // fork here. check length
- pid_t forkpid = fork();
- if (forkpid == -1) throw "failed to fork";
- if (forkpid == 0) {
- // child: test ram
- volatile uint8_t tst;
- for (size_t i = 0; i < len; ++ i) {
- tst = ((uint8_t*)blkp)[i];
- }
- } else {
- // parent: wait for child
- int status;
- wait(&status);
- if(WIFCONTINUED(status)) {
- // child succeeded, so we can stop
- // TODO: need a way to indicate child success
- exit(0);
- } else {
- // child failed, so we keep going, but TODO: failure is not stored
- continue;
- }
- }
- } while (isbad(blkp));
- return blkp;
- }
- void markbad(void *bad)
- {
- bad = (void*)((long)(bad) & ~0xfff);
- badpages.insert(bad);
- cout << "Bad: " << bad << endl;
- }
- bool isbad(void *chk)
- {
- chk = (void*)((long)(chk) & ~0xfff);
- return badpages.count(chk);
- }
-
-private:
- int randfile;
- set<void*> badpages;
- // TODO: some concern that the badpages set will allocate on the heap.
- // maybe let's use a stack-based storage back for it (allocator)
-};
-
-
-uint8_t someram[0x10000000]; // when this is removed, heap moves to 64-bit?
-struct instruction {
- void * verb;
- void * object1;
- void * object2;
- void * attr;
- void * result;
-};
-
-int main() {
- // reference process memory
- // all of it, please
- RamGetter selfmem; // an object to access RAM with
-
- // TODO: try making an instruction list
-
- void * mem = 0;
- // make a loop
- while (true) {
- // TODO: move fork/exec into this loop, outside of RamGetter
-
- // we propose copying some blocks to other blocks, randomly
- // need blocksize, how about 4 // TODO: that's kinda small, maybe random instead?
- void *blk1, *blk2;
- blk1 = selfmem.getRandAddr(4);
- blk2 = selfmem.getRandAddr(4);
- memmove(blk1, blk2, 4);
-
- // continue the loop forever
- // run it
- }
- // end when the loop is done =)
-
- // /proc/pid/maps shows the addresses of allocated memory
- // /proc/pid/mem provides access to this memory
- // ^-- will error when wrong part is read
- // just load straight; error is recoverable, just a refusal
- // no need to map file, can just catch segfaults?
-
- /*
- FILE *maps;
- char pathbuf[1024];
- snprintf("/proc/%d/maps", sizeof(pathbuf), pid);
- open(pathbuf, O_RDONLY);
-
- snprintf("/proc/%d/mem", sizeof(pathbuf), pid);
- void * procmem = mmap(0, length, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_SHARED
- */
- /*
- try {
- int e = *(int*)39;
- } catch(...) {
- throw;
- }
- */
-}
diff --git a/intellect-framework-from-internet/starts/random-selfmod/makefile b/intellect-framework-from-internet/starts/random-selfmod/makefile
deleted file mode 100644
index 9475287..0000000
--- a/intellect-framework-from-internet/starts/random-selfmod/makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-intellect: intellect.cpp
- g++ -ggdb -std=c++11 intellect.cpp -Wl,--print-map
diff --git a/intellect-framework-from-internet/starts/random-selfmod/random.cpp b/intellect-framework-from-internet/starts/random-selfmod/random.cpp
deleted file mode 100644
index afdf4c7..0000000
--- a/intellect-framework-from-internet/starts/random-selfmod/random.cpp
+++ /dev/null
@@ -1,108 +0,0 @@
-// let's try to make it very simple
-
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-// 1. write a function to randomly put data in a buffer
-// [apparently one loaded from a file]
-
-#define MAPFNAME "random.bin"
-
-pid_t child = 0;
-bool child_terminated = false;
-void handleSigChld(int)
-{
- child_terminated = true;
-}
-
-static unsigned long long * count;
-
-void random(int mapfd, int randfd, void *addr)
-{
- pid_t pid = getpid();
-
- // *count is shared and stored
- for (*count = 0; ; ++ *count) {
- unsigned long long old_count = *count;
-
- // if successful child, update & kill parent
- if (getpid() != pid) {
- msync(addr + pos, size, MS_SYNC | MS_INVALIDATE);
-
- kill(pid, SIGTERM);
- pid = getpid();
-
- // add data to git.
- system("git add " MAPFNAME);
- system("git commit -m selfmod");
- }
-
- // handle crashes with fork()
- child = fork();
- if (child == 0) {
- // we are new child process
- // self-modify by 1-8 bytes
- uint16_t pos;
- uint8_t size;
- read(randfd, &pos, sizeof(pos));
- read(randfd, &size, sizeof(size));
- size = (size & 0x7) + 1; // self-modify by 1-8 bytes
- read(randfd, addr + pos, size);
- // loop
- } else {
- // old process: make sure new process succeeds within 1s
- time_t then = time(0);
- for (;;) {
- if (child_terminated || time(0) > then) {
- // child did not succeed
- kill(child, SIGTERM);
- child_terminated = false;
- // try again
- break;
- }
- if (old_count < *count + 1) {
- // incremented count by 1: success; hand off to child
- return;
- }
- }
- }
- }
-}
-
-void random_tail() {
-}
-
-void main()
-{
- // handle SIGCHLD by setting a global flag
- struct sigaction sigchld;
- sigchld.sa_handler = handleSigChld;
- sigchld.sa_flags = SA_NOCLDWAIT;
- sigaction(SIGCHLD, &sigchld, NULL);
-
- int fd = open(MAPFNAME, O_RDWR);
- if (fd == -1 && errno == ENOENT) {
- // does not exist yet
- fd = open("random.bin", O_RDWR | O_CREAT);
- // 2. seed the buffer with the function that puts random data in it
- count = 0;
- write(fd, &count, sizeof(count));
- write(fd, &random, &random_tail - &random);
- }
-
- int randfd = open("/dev/random", O_RDONLY);
-
- // a buffer of 1 gig working space; random data will fill it
- void *buf = mmap(NULL,
- 0x40000000,
- PROT_EXEC | PROT_READ | PROT_WRITE,
- MAP_SHARED | MAP_32BIT,
- fd,
- 0;
-
- // 3. execute the buffer
- void (*buf_as_func)(void*) = (void*)((uint8_t*)buf + count);
- buf_as_func(mapfname, mapfd, randfd, buf);
-}