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Fix bugs and have emulator emulate itself

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This commit is contained in:
Justine Tunney 2020-08-31 05:17:31 -07:00
parent 5aabacb361
commit bd29223891
111 changed files with 1283 additions and 2073 deletions
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1
libc/runtime/describeos.c
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@ -17,6 +17,7 @@
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/runtime/runtime.h"
#include "libc/str/str.h"

3
libc/runtime/hook.greg.c
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@ -17,6 +17,7 @@
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/struct/sigset.h"
@ -71,7 +72,7 @@ privileged void __hook(void ifunc(void), struct SymbolTable *symbols) {
pe = (unsigned char *)(symbols->addr_base +
symbols->symbols[i + 1].addr_rva);
p < pe - 8; ++p) {
code = read64le(p);
code = READ64LE(p);
/*
* Test for -mrecord-mcount (w/ -fpie or -fpic)

1
libc/runtime/memtrack.c
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@ -18,6 +18,7 @@
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/dce.h"
#include "libc/macros.h"
#include "libc/runtime/memtrack.h"
#include "libc/runtime/runtime.h"

2
libc/runtime/memtrack.h
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@ -4,7 +4,7 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define kMappingsSize 0x100000000000 /* 16TB */
#define kMappingsSize 0x0000100000000000 /* 16TB */
#define kMappingsStart (IsGenuineCosmo() ? 0x300000000000 : 0x200000000000)
#define kFixedMappingsStart 0x0000100000000000
#define kFixedMappingsSize kMappingsSize

2
libc/runtime/mmap.c
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@ -129,7 +129,7 @@ void *mmap(void *addr, size_t size, int prot, int flags, int fd, int64_t off) {
if (!CANONICAL(addr)) return VIP(einval());
if (!(!!(flags & MAP_ANONYMOUS) ^ (fd != -1))) return VIP(einval());
if (!(!!(flags & MAP_PRIVATE) ^ !!(flags & MAP_SHARED))) return VIP(einval());
if (fd != -1) size = ROUNDUP(size, FRAMESIZE);
if (fd == -1) size = ROUNDUP(size, FRAMESIZE);
if (flags & MAP_FIXED) {
if (UntrackMemoryIntervals(addr, size) == -1) {
return MAP_FAILED;

1
libc/runtime/runtime.h
View file

@ -1,6 +1,5 @@
#ifndef COSMOPOLITAN_LIBC_RUNTIME_RUNTIME_H_
#define COSMOPOLITAN_LIBC_RUNTIME_RUNTIME_H_
#include "libc/dce.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗