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main.c
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main.c
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#ifndef __USE_FILE_OFFSET64
#define __USE_FILE_OFFSET64
#endif
#ifndef __USE_LARGEFILE64
#define __USE_LARGEFILE64
#endif
#ifndef _LARGEFILE64_SOURCE
#define _LARGEFILE64_SOURCE
#endif
#ifndef _FILE_OFFSET_BIT
#define _FILE_OFFSET_BIT 64
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <limits.h>
#include <errno.h>
#include <unistd.h>
#include <dirent.h>
#include <signal.h>
#include <sys/syscall.h>
#include <sys/prctl.h>
#ifdef DYNAREC
#ifdef ARM
#include <linux/auxvec.h>
#include <asm/hwcap.h>
#endif
#endif
#include "build_info.h"
#include "debug.h"
#include "box86context.h"
#include "fileutils.h"
#include "elfloader.h"
#include "box86stack.h"
#include "x86emu.h"
#include "x86run.h"
#include "x86trace.h"
#include "librarian.h"
#include "library.h"
#include "auxval.h"
#include "wine_tools.h"
#include "rcfile.h"
box86context_t *my_context = NULL;
int box86_log = LOG_NONE;
int box86_dump = 0;
int box86_nobanner = 0;
int box86_dynarec_log = LOG_NONE;
uintptr_t box86_pagesize;
uintptr_t box86_load_addr = 0;
int box86_showbt = 0;
int box86_isglibc234 = 0;
int box86_nosandbox = 0;
int box86_malloc_hack = 0;
int box86_mutex_aligned = 0;
int box86_quit = 0;
int box86_exit_code = 0;
#ifdef DYNAREC
int box86_dynarec = 1;
int box86_dynarec_dump = 0;
int box86_dynarec_forced = 0;
int box86_dynarec_largest = 0;
int box86_dynarec_bigblock = 1;
int box86_dynarec_forward = 128;
int box86_dynarec_strongmem = 0;
int box86_dynarec_x87double = 0;
int box86_dynarec_fastnan = 1;
int box86_dynarec_fastround = 1;
int box86_dynarec_safeflags = 1;
int box86_dynarec_callret = 0;
int box86_dynarec_hotpage = 16;
int box86_dynarec_bleeding_edge = 1;
int box86_dynarec_jvm = 1;
int box86_dynarec_tbb = 1;
int box86_dynarec_wait = 1;
int box86_dynarec_fastpage = 0;
uintptr_t box86_nodynarec_start = 0;
uintptr_t box86_nodynarec_end = 0;
int box86_dynarec_test = 0;
int box86_dynarec_missing = 0;
#ifdef ARM
int arm_vfp = 0; // vfp version (3 or 4), with 32 registers is mendatory
int arm_swap = 0;
int arm_div = 0;
int arm_v8 = 0;
int arm_aes = 0;
int arm_pmull = 0;
#endif
#else //DYNAREC
int box86_dynarec = 0;
#endif
int box86_libcef = 1;
int box86_sdl2_jguid = 0;
int dlsym_error = 0;
int cycle_log = 0;
int trace_xmm = 0;
int trace_emm = 0;
char* trace_init = NULL;
char* box86_trace = NULL;
#ifdef HAVE_TRACE
uint64_t start_cnt = 0;
#ifdef DYNAREC
int box86_dynarec_trace = 0;
#endif
#endif
#ifdef PANDORA
int x11color16 = 0;
#endif
#if defined(RPI) || defined(RK3399) || defined(RK3288) || defined(GOA_CLONE) || defined(PYRA) || defined(PANDORA)
int box86_tokitori2 = 0;
#endif
int box86_sc3u = 0;
int box86_mapclean = 0;
int box86_zoom = 0;
int box86_x11threads = 0;
int box86_x11glx = 1;
int box86_sse_flushto0 = 0;
int box86_x87_no80bits = 0;
int allow_missing_libs = 0;
int allow_missing_symbols = 0;
int fix_64bit_inodes = 0;
int box86_prefer_wrapped = 0;
int box86_prefer_emulated = 0;
int box86_steam = 0;
int box86_wine = 0;
int box86_musl = 0;
int box86_nopulse = 0;
int box86_nogtk = 0;
int box86_novulkan = 0;
#ifdef BAD_SIGNAL
int box86_futex_waitv = 0;
#else
int box86_futex_waitv = 1;
#endif
int box86_showsegv = 0;
char* box86_libGL = NULL;
uintptr_t trace_start = 0, trace_end = 0;
char* trace_func = NULL;
uint32_t default_fs = 0;
int jit_gdb = 0;
int box86_tcmalloc_minimal = 0;
FILE* ftrace = NULL;
int ftrace_has_pid = 0;
void openFTrace(const char* newtrace)
{
const char* t = newtrace?newtrace:getenv("BOX86_TRACE_FILE");
char tmp[500];
const char* p = t;
if(p && strstr(t, "%pid")) {
int next = 0;
do {
strcpy(tmp, p);
char* c = strstr(tmp, "%pid");
*c = 0; // cut
char pid[16];
if(next)
sprintf(pid, "%d-%d", getpid(), next);
else
sprintf(pid, "%d", getpid());
strcat(tmp, pid);
c = strstr(p, "%pid") + strlen("%pid");
strcat(tmp, c);
++next;
} while (FileExist(tmp, IS_FILE));
p = tmp;
ftrace_has_pid = 1;
}
if(p) {
if(!strcmp(p, "stderr"))
ftrace = stderr;
else {
ftrace = fopen64(p, "w");
if(!ftrace) {
ftrace = stdout;
printf_log(LOG_INFO, "Cannot open trace file \"%s\" for writing (error=%s)\n", p, strerror(errno));
} else {
if(!box86_nobanner)
printf("BOX86 Trace redirected to \"%s\"\n", p);
}
}
}
}
void my_child_fork()
{
if(ftrace_has_pid) {
// open a new ftrace...
fclose(ftrace);
openFTrace(NULL);
//printf_log(/*LOG_DEBUG*/LOG_INFO, "Forked child of %s\n", GetLastApplyName());
}
}
int getNCpu();
const char* getCpuName();
#ifdef DYNAREC
void GatherDynarecExtensions()
{
if(box86_dynarec==0) // no need to check if no dynarec
return;
#ifdef ARM
unsigned long hwcap = real_getauxval(AT_HWCAP);
if(!hwcap) // no HWCap: provide a default...
hwcap = HWCAP_HALF|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_NEON|HWCAP_VFPv3;
// first, check all needed extensions, lif half, edsp and fastmult
if((hwcap&HWCAP_HALF) == 0) {
printf_log(LOG_INFO, "Missing HALF cpu support, disabling Dynarec\n");
box86_dynarec=0;
return;
}
if((hwcap&HWCAP_FAST_MULT) == 0) {
printf_log(LOG_INFO, "Missing FAST_MULT cpu support, disabling Dynarec\n");
box86_dynarec=0;
return;
}
if((hwcap&HWCAP_EDSP) == 0) {
printf_log(LOG_INFO, "Missing EDSP cpu support, disabling Dynarec\n");
box86_dynarec=0;
return;
}
if((hwcap&HWCAP_NEON) == 0) {
printf_log(LOG_INFO, "Missing NEON support, disabling Dynarec\n");
box86_dynarec=0;
return;
}
if(hwcap&HWCAP_VFPv3D16) {
printf_log(LOG_INFO, "VFPU only have 16 registers, disabling Dynarec\n");
box86_dynarec=0;
return;
}
if(hwcap&HWCAP_VFPv3)
arm_vfp = 3;
if(hwcap&HWCAP_VFPv4)
arm_vfp = 4;
if(!arm_vfp) {
printf_log(LOG_INFO, "VFPUv3+ not detected, disabling Dynarec\n");
box86_dynarec=0;
return;
}
if(hwcap&HWCAP_SWP)
arm_swap = 1;
if(hwcap&HWCAP_IDIVA)
arm_div = 1;
#ifdef AT_HWCAP2
unsigned long hwcap2 = real_getauxval(AT_HWCAP2);
if(hwcap2&HWCAP2_AES)
arm_aes = 1;
if(hwcap2&HWCAP2_PMULL)
arm_pmull = 1;
if((hwcap2&HWCAP2_AES) || (hwcap2&HWCAP2_CRC32))
arm_v8 = 1;
#endif
printf_log(LOG_INFO, "Dynarec for ARMv%d, with extension: HALF FAST_MULT EDSP NEON VFPv%d", 7+arm_v8, arm_vfp);
if(arm_swap)
printf_log(LOG_INFO, " SWP");
if(arm_div)
printf_log(LOG_INFO, " IDIVA");
if(arm_aes)
printf_log(LOG_INFO, " AES");
if(arm_pmull)
printf_log(LOG_INFO, " PMULL");
printf_log(LOG_INFO, " PageSize:%zd ", box86_pagesize);
#endif
}
#endif
EXPORTDYN
void LoadLogEnv()
{
ftrace = stdout;
box86_nobanner = isatty(fileno(stdout))?0:1;
const char *p = getenv("BOX86_NOBANNER");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_nobanner = p[0]-'0';
}
}
// grab BOX86_TRACE_FILE envvar, and change %pid to actual pid is present in the name
openFTrace(NULL);
//box86_log = isatty(fileno(ftrace))?LOG_INFO:LOG_NONE; //default LOG value different if stdout is redirected or not
p = getenv("BOX86_LOG");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0'+LOG_NONE && p[0]<='0'+LOG_NEVER) {
box86_log = p[0]-'0';
if(box86_log == LOG_NEVER) {
--box86_log;
box86_dump = 1;
}
}
} else {
if(!strcasecmp(p, "NONE"))
box86_log = LOG_NONE;
else if(!strcasecmp(p, "INFO"))
box86_log = LOG_INFO;
else if(!strcasecmp(p, "DEBUG"))
box86_log = LOG_DEBUG;
else if(!strcasecmp(p, "DUMP")) {
box86_log = LOG_DEBUG;
box86_dump = 1;
}
}
if(!box86_nobanner)
printf_log(LOG_INFO, "Debug level is %d\n", box86_log);
}
p = getenv("BOX86_ROLLING_LOG");
if(p) {
int cycle = 0;
if(sscanf(p, "%d", &cycle)==1)
cycle_log = cycle;
if(cycle_log==1)
cycle_log = 16;
if(cycle_log<0)
cycle_log = 0;
if(cycle_log && box86_log>LOG_INFO) {
cycle_log = 0;
printf_log(LOG_NONE, "Incompatible Rolling log and Debug Log, disabling Rolling log\n");
}
}
if(!box86_nobanner && cycle_log)
printf_log(LOG_INFO, "Rolling log, showing last %d function call on signals\n", cycle_log);
p = getenv("BOX86_DUMP");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dump = p[0]-'0';
}
}
if(!box86_nobanner && box86_dump)
printf_log(LOG_INFO, "Elf Dump if ON\n");
#ifdef DYNAREC
p = getenv("BOX86_DYNAREC_DUMP");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='2')
box86_dynarec_dump = p[0]-'0';
}
if (box86_dynarec_dump) printf_log(LOG_INFO, "Dynarec blocks are dumped%s\n", (box86_dynarec_dump>1)?" in color":"");
}
p = getenv("BOX86_DYNAREC_LOG");
if(p) {
if(strlen(p)==1) {
if((p[0]>='0'+LOG_NONE) && (p[0]<='0'+LOG_VERBOSE))
box86_dynarec_log = p[0]-'0';
} else {
if(!strcasecmp(p, "NONE"))
box86_dynarec_log = LOG_NONE;
else if(!strcasecmp(p, "INFO"))
box86_dynarec_log = LOG_INFO;
else if(!strcasecmp(p, "DEBUG"))
box86_dynarec_log = LOG_DEBUG;
else if(!strcasecmp(p, "VERBOSE"))
box86_dynarec_log = LOG_VERBOSE;
}
printf_log(LOG_INFO, "Dynarec log level is %d\n", box86_dynarec_log);
}
p = getenv("BOX86_DYNAREC");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec = p[0]-'0';
}
printf_log(LOG_INFO, "Dynarec is %s\n", box86_dynarec?"on":"off");
}
p = getenv("BOX86_DYNAREC_FORCED");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_forced = p[0]-'0';
}
if(box86_dynarec_forced)
printf_log(LOG_INFO, "Dynarec is forced on all addresses\n");
}
p = getenv("BOX86_DYNAREC_BIGBLOCK");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='2')
box86_dynarec_bigblock = p[0]-'0';
}
if(!box86_dynarec_bigblock)
printf_log(LOG_INFO, "Dynarec will not try to make big blocks\n");
else if (box86_dynarec_bigblock>1)
printf_log(LOG_INFO, "Dynarec will try to make bigger blocks\n");
}
p = getenv("BOX86_DYNAREC_FORWARD");
if(p) {
int val = -1;
if(sscanf(p, "%d", &val)==1) {
if(val>=0)
box86_dynarec_forward = val;
}
if(box86_dynarec_forward)
printf_log(LOG_INFO, "Dynarec will continue block for %d bytes on forward jump\n", box86_dynarec_forward);
else
printf_log(LOG_INFO, "Dynarec will not continue block on forward jump\n");
}
p = getenv("BOX86_DYNAREC_STRONGMEM");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='3')
box86_dynarec_strongmem = p[0]-'0';
}
if(box86_dynarec_strongmem)
printf_log(LOG_INFO, "Dynarec will try to emulate a strong memory model%s\n", (box86_dynarec_strongmem==1)?" with limited performance loss":((box86_dynarec_strongmem==3)?" with more performance loss":""));
}
p = getenv("BOX86_DYNAREC_X87DOUBLE");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_x87double = p[0]-'0';
}
if(box86_dynarec_x87double)
printf_log(LOG_INFO, "Dynarec will use only double for x87 emulation\n");
}
p = getenv("BOX86_DYNAREC_FASTNAN");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_fastnan = p[0]-'0';
}
if(!box86_dynarec_fastnan)
printf_log(LOG_INFO, "Dynarec will try to normalize generated NAN\n");
}
p = getenv("BOX86_DYNAREC_FASTROUND");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_fastround = p[0]-'0';
}
if(!box86_dynarec_fastround)
printf_log(LOG_INFO, "Dynarec will try to generate x86 precise IEEE->int rounding\n");
}
p = getenv("BOX86_DYNAREC_SAFEFLAGS");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='2')
box86_dynarec_safeflags = p[0]-'0';
}
if(!box86_dynarec_safeflags)
printf_log(LOG_INFO, "Dynarec will not play it safe with x86 flags\n");
else
printf_log(LOG_INFO, "Dynarec will play %s safe with x86 flags\n", (box86_dynarec_safeflags==1)?"moderatly":"it");
}
p = getenv("BOX86_DYNAREC_CALLRET");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_callret = p[0]-'0';
}
if(box86_dynarec_callret)
printf_log(LOG_INFO, "Dynarec will optimize CALL/RET\n");
else
printf_log(LOG_INFO, "Dynarec will not optimize CALL/RET\n");
}
p = getenv("BOX86_DYNAREC_WAIT");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_wait = p[0]-'0';
}
if(!box86_dynarec_wait)
printf_log(LOG_INFO, "Dynarec will not wait for FillBlock to ready and use Interpreter instead\n");
}
p = getenv("BOX86_DYNAREC_BLEEDING_EDGE");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_bleeding_edge = p[0]-'0';
}
if(!box86_dynarec_bleeding_edge)
printf_log(LOG_INFO, "Dynarec will not detect MonoBleedingEdge\n");
}
p = getenv("BOX86_DYNAREC_JVM");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_jvm = p[0]-'0';
}
if(!box86_dynarec_jvm)
printf_log(LOG_INFO, "Dynarec will not detect libjvm\n");
}
p = getenv("BOX86_DYNAREC_TBB");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_tbb = p[0]-'0';
}
if(!box86_dynarec_tbb)
printf_log(LOG_INFO, "Dynarec will not detect libtbb\n");
}
p = getenv("BOX86_DYNAREC_MISSING");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_missing = p[0]-'0';
}
if(box86_dynarec_missing)
printf_log(LOG_INFO, "Dynarec will print missing opcodes\n");
}
p = getenv("BOX86_NODYNAREC");
if(p) {
if (strchr(p,'-')) {
if(sscanf(p, "%d-%d", &box86_nodynarec_start, &box86_nodynarec_end)!=2) {
if(sscanf(p, "0x%X-0x%X", &box86_nodynarec_start, &box86_nodynarec_end)!=2)
sscanf(p, "%x-%x", &box86_nodynarec_start, &box86_nodynarec_end);
}
printf_log(LOG_INFO, "No Dynablock creation that start in %p - %p range\n", (void*)box86_nodynarec_start, (void*)box86_nodynarec_end);
}
}
p = getenv("BOX86_DYNAREC_TEST");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_dynarec_test = p[0]-'0';
}
if(box86_dynarec_test) {
box86_dynarec_fastnan = 0;
box86_dynarec_fastround = 0;
box86_dynarec_callret = 0;
printf_log(LOG_INFO, "Dynarec will compare it's execution with the interpreter (super slow, only for testing)\n");
}
}
#endif
#ifdef HAVE_TRACE
p = getenv("BOX86_TRACE_XMM");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
trace_xmm = p[0]-'0';
}
}
p = getenv("BOX86_TRACE_EMM");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
trace_emm = p[0]-'0';
}
}
p = getenv("BOX86_TRACE_START");
if(p) {
char* p2;
start_cnt = strtoll(p, &p2, 10);
printf_log(LOG_INFO, "Will start trace only after %llu instructions\n", start_cnt);
}
#ifdef DYNAREC
p = getenv("BOX86_DYNAREC_TRACE");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_dynarec_trace = p[0]-'0';
if(box86_dynarec_trace)
printf_log(LOG_INFO, "Dynarec generated code will also print a trace\n");
}
}
#endif
#endif
// Other BOX86 env. var.
p = getenv("BOX86_LIBCEF");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_libcef = p[0]-'0';
}
if(!box86_libcef)
printf_log(LOG_INFO, "Dynarec will not detect libcef\n");
}
p = getenv("BOX86_SDL2_JGUID");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='1')
box86_sdl2_jguid = p[0]-'0';
}
if(!box86_sdl2_jguid)
printf_log(LOG_INFO, "BOX86 will workaround the use of SDL_GetJoystickGUIDInfo with 4 args instead of 5\n");
}
p = getenv("BOX86_LOAD_ADDR");
if(p) {
if(sscanf(p, "0x%zx", &box86_load_addr)!=1)
box86_load_addr = 0;
if(box86_load_addr)
printf_log(LOG_INFO, "Use a starting load address of %p\n", (void*)box86_load_addr);
}
p = getenv("BOX86_DLSYM_ERROR");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
dlsym_error = p[0]-'0';
}
printf_log(LOG_INFO, "Shows details of dlopen / dlsym /dlclose : %s\n", dlsym_error?"Yes":"No");
}
#ifdef PANDORA
p = getenv("BOX86_X11COLOR16");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
x11color16 = p[0]-'0';
}
printf_log(LOG_INFO, "Try to adjust X11 Color (32->16bits) : %s\n", x11color16?"Yes":"No");
}
#endif
p = getenv("BOX86_X11THREADS");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_x11threads = p[0]-'0';
}
if(box86_x11threads)
printf_log(LOG_INFO, "Try to Call XInitThreads if libX11 is loaded\n");
}
p = getenv("BOX86_X11GLX");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_x11glx = p[0]-'0';
}
if(box86_x11glx)
printf_log(LOG_INFO, "Hack to force libX11 GLX extension present\n");
else
printf_log(LOG_INFO, "Disabled Hack to force libX11 GLX extension present\n");
}
p = getenv("BOX86_LIBGL");
if(p)
box86_libGL = box_strdup(p);
if(!box86_libGL) {
p = getenv("SDL_VIDEO_GL_DRIVER");
if(p)
box86_libGL = box_strdup(p);
}
if(box86_libGL) {
printf_log(LOG_INFO, "BOX86 using \"%s\" as libGL.so.1\n", p);
}
p = getenv("BOX86_ALLOWMISSING_LIBS");
if(!p)
p = getenv("BOX86_ALLOWMISSINGLIBS");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
allow_missing_libs = p[0]-'0';
}
if(allow_missing_libs)
printf_log(LOG_INFO, "Allow missing needed libs\n");
}
p = getenv("BOX86_ALLOWMISSING_SYMBOLS");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
allow_missing_symbols = p[0]-'0';
}
if(allow_missing_symbols)
printf_log(LOG_INFO, "Allow missing needed symbols\n");
}
p = getenv("BOX86_MALLOC_HACK");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+2)
box86_malloc_hack = p[0]-'0';
}
if(!box86_malloc_hack) {
if(box86_malloc_hack==1) {
printf_log(LOG_INFO, "Malloc hook will not be redirected\n");
} else
printf_log(LOG_INFO, "Malloc hook will check for mmap/free occurrences\n");
}
}
p = getenv("BOX86_MUTEX_ALIGNED");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_mutex_aligned = p[0]-'0';
}
if(!box86_mutex_aligned) {
if(box86_mutex_aligned==1) {
printf_log(LOG_INFO, "BOX86 will not aligned mutexes\n");
} else
printf_log(LOG_INFO, "BOX86 will wrap mutex to for them aligned\n");
}
}
p = getenv("BOX86_NOPULSE");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_nopulse = p[0]-'0';
}
if(box86_nopulse)
printf_log(LOG_INFO, "Disable the use of pulseaudio libs\n");
}
p = getenv("BOX86_NOGTK");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_nogtk = p[0]-'0';
}
if(box86_nogtk)
printf_log(LOG_INFO, "Disable the use of wrapped gtk libs\n");
}
p = getenv("BOX86_NOVULKAN");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_novulkan = p[0]-'0';
}
if(box86_novulkan)
printf_log(LOG_INFO, "Disable the use of wrapped vulkan libs\n");
}
p = getenv("BOX86_FUTEX_WAITV");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_futex_waitv = p[0]-'0';
}
#ifdef BAD_SIGNAL
if(box86_futex_waitv)
printf_log(LOG_INFO, "Enable the use of futex waitv syscall (if available on the system\n");
#else
if(!box86_futex_waitv)
printf_log(LOG_INFO, "Disable the use of futex waitv syscall\n");
#endif
}
p = getenv("BOX86_FIX_64BIT_INODES");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
fix_64bit_inodes = p[0]-'0';
}
if(fix_64bit_inodes)
printf_log(LOG_INFO, "Fix 64bit inodes\n");
}
p = getenv("BOX86_JITGDB");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+3)
jit_gdb = p[0]-'0';
}
if(jit_gdb)
printf_log(LOG_INFO, "Launch %s on segfault\n", (jit_gdb==2)?"gdbserver":((jit_gdb==3)?"lldb":"gdb"));
}
p = getenv("BOX86_SHOWSEGV");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_showsegv = p[0]-'0';
}
if(box86_showsegv)
printf_log(LOG_INFO, "Show Segfault signal even if a signal handler is present\n");
}
p = getenv("BOX86_SHOWBT");
if(p) {
if(strlen(p)==1) {
if(p[0]>='0' && p[0]<='0'+1)
box86_showbt = p[0]-'0';
}
if(box86_showbt)
printf_log(LOG_INFO, "Show Backtrace for signals\n");
}
box86_pagesize = sysconf(_SC_PAGESIZE);
if(!box86_pagesize)
box86_pagesize = 4096;
#ifdef DYNAREC
GatherDynarecExtensions();
#endif
int ncpu = getNCpu();
const char* cpuname = getCpuName();
printf_log(LOG_INFO, "Running on %s with %d Cores\n", cpuname, ncpu);
}
EXPORTDYN
void LoadEnvPath(path_collection_t *col, const char* defpath, const char* env)
{
const char* p = getenv(env);
if(p) {
printf_log(LOG_INFO, "%s: ", env);
ParseList(p, col, 1);
} else {
printf_log(LOG_INFO, "Using default %s: ", env);
ParseList(defpath, col, 1);
}
if(LOG_INFO<=box86_log) {
for(int i=0; i<col->size; i++)
printf_log(LOG_INFO, "%s%s", col->paths[i], (i==col->size-1)?"\n":":");
}
}
EXPORTDYN
int CountEnv(char** env)
{
// count, but remove all BOX86_* environnement
// also remove PATH and LD_LIBRARY_PATH
// but add 2 for default BOX86_PATH and BOX86_LD_LIBRARY_PATH
char** p = env;
int c = 0;
while(*p) {
if(strncmp(*p, "BOX86_PATH=", 11)==0) {
} else if(strncmp(*p, "BOX86_LD_LIBRARY_PATH=", 22)==0) {
} else if(strncmp(*p, "BOX86_", 6)!=0) {
++c;
}
++p;
}
return c+2;
}
EXPORTDYN
int GatherEnv(char*** dest, char** env, const char* prog)
{
// Add every BOX86_* environment variables
char** p = env;
int idx = 0;
int box86_path = 0;
int box86_ld_path = 0;
while(*p) {
if(strncmp(*p, "BOX86_PATH=", 11)==0) {
(*dest)[idx++] = box_strdup(*p);
box86_path = 1;
} else if(strncmp(*p, "BOX86_LD_LIBRARY_PATH=", 22)==0) {
(*dest)[idx++] = box_strdup(*p);
box86_ld_path = 1;
} else if(strncmp(*p, "BOX86_", 6)!=0) {
(*dest)[idx++] = box_strdup(*p);
}
++p;
}
// Add default values for BOX86_PATH and BOX86_LD_LIBRARY_PATH
if(!box86_path) {
(*dest)[idx++] = box_strdup("BOX86_PATH=.:bin");
}
if(!box86_ld_path) {
(*dest)[idx++] = box_strdup("BOX86_LD_LIBRARY_PATH=.:lib");
}
// Add "_=prog" at the end...
if(prog) {
int l = strlen(prog);
char tmp[l+3];
strcpy(tmp, "_=");
strcat(tmp, prog);
(*dest)[idx++] = box_strdup(tmp);
}
// and a final NULL
(*dest)[idx++] = 0;
return 0;
}
void PrintFlags() {
printf("Environment Variables:\n");
printf(" BOX86_PATH is the box86 version of PATH (default is '.:bin')\n");
printf(" BOX86_LD_LIBRARY_PATH is the box86 version LD_LIBRARY_PATH (default is '.:lib')\n");
printf(" BOX86_LOG with 0/1/2/3 or NONE/INFO/DEBUG/DUMP to set the printed debug info (level 3 is level 2 + BOX86_DUMP)\n");
printf(" BOX86_ROLLING_LOG 0/1 use a rolling level 2 log of 16 entries\n");
printf(" BOX86_DUMP with 0/1 to dump elf infos\n");
printf(" BOX86_NOBANNER with 0/1 to enable/disable the printing of box86 version and build at start\n");
#ifdef DYNAREC
printf(" BOX86_DYNAREC_LOG with 0/1/2/3 or NONE/INFO/DEBUG/DUMP to set the printed dynarec info\n");
printf(" BOX86_DYNAREC with 0/1 to disable or enable Dynarec (On by default)\n");
printf(" BOX86_NODYNAREC with address interval (0x1234-0x4567) to forbid dynablock creation in the interval specified\n");
printf(" BOX86_DYNAREC_BIGBLOCK 0/1/2 to control Dynarec building BigBlock or not (default: 1)\n");
printf(" BOX86_DYNAREC_STRONGMEM 0/1/2 to control Dynarec emulation attempt of Stong memory model (default: 0)\n");
printf(" BOX86_DYNAREC_X87DOUBLE 0/1 to force Dynarec to use Double for x87 emulation (default: 0)\n");
printf(" BOX86_DYNAREC_FASTNAN 0/1 to control if NaN are x86 accurate or not (default: 1)\n");
printf(" BOX86_DYNAREC_SAFEFLAGS 0/1/2 to control flags generation on RET/CALL opcodes (default: 1)\n");
#endif
#ifdef HAVE_TRACE
printf(" BOX86_TRACE with 1 to enable x86 execution trace\n");
printf(" or with XXXXXX-YYYYYY to enable x86 execution trace only between address\n");
printf(" or with FunctionName to enable x86 execution trace only in one specific function\n");
printf(" use BOX86_TRACE_INIT instead of BOX_TRACE to start trace before init of Libs and main program\n\t (function name will probably not work then)\n");
printf(" BOX86_TRACE_XMM with 1 to enable dump of SSE/SSE2 register along with regular registers\n");
printf(" BOX86_TRACE_START with N to enable trace after N instructions\n");
#ifdef DYNAREC
printf(" BOX86_DYNAREC_TRACE with 0/1 to disable or enable Trace on generated code too\n");
#endif
#endif
printf(" BOX86_TRACE_FILE with FileName to redirect logs in a file (or stderr to use stderr instead of stdout)\n");
printf(" BOX86_DLSYM_ERROR with 1 to log dlsym errors\n");
printf(" BOX86_LOAD_ADDR=0xXXXXXX try to load at 0xXXXXXX main binary (if binary is a PIE)\n");
printf(" BOX86_NOSIGSEGV=1 to disable handling of SigSEGV\n");
printf(" BOX86_NOSIGILL=1 to disable handling of SigILL\n");
printf(" BOX86_SHOWSEGV=1 to show Segfault signal even if a signal handler is present\n");
#ifdef PANDORA
printf(" BOX86_X11COLOR16=1 to try convert X11 color from 32 bits to 16 bits (to avoid light green on light cyan windows\n");
#endif
printf(" BOX86_X11THREADS=1 to call XInitThreads when loading X11 (for old Loki games with Loki_Compat lib)\n");
printf(" BOX86_LIBGL=libXXXX set the name (and optionnaly full path) for libGL.so.1\n");
printf(" BOX86_LD_PRELOAD=XXXX[:YYYYY] force loading XXXX (and YYYY...) libraries with the binary\n");
printf(" BOX86_ALLOWMISSINGLIBS with 1 to allow to continue even if a lib is missing (unadvised, will probably crash later)\n");
printf(" BOX64_PREFER_EMULATED=1 to prefer emulated libs first (execpt for glibc, alsa, pulse, GL, vulkan and X11)\n");
printf(" BOX64_PREFER_WRAPPED if box86 will use wrapped libs even if the lib is specified with absolute path\n");
printf(" BOX86_NOPULSE=1 to disable the loading of pulseaudio libs\n");
printf(" BOX86_NOGTK=1 to disable the loading of wrapped gtk libs\n");
printf(" BOX86_NOVULKAN=1 to disable the loading of wrapped vulkan libs\n");
printf(" BOX86_ENV='XXX=yyyy' will add XXX=yyyy env. var.\n");
printf(" BOX86_ENV1='XXX=yyyy' will add XXX=yyyy env. var. and continue with BOX86_ENV2 ... until var doesn't exist\n");
printf(" BOX86_JITGDB with 1 to launch \"gdb\" when a segfault is trapped, attached to the offending process\n");
}
void PrintHelp() {
printf("This is Box86, the Linux x86 emulator with a twist\n");
printf("\nUsage is 'box86 [options] path/to/software [args]' to launch x86 software.\n");
printf(" options are:\n");
printf(" '-v'|'--version' to print box86 version and quit\n");
printf(" '-h'|'--help' to print this and quit\n");
printf(" '-f'|'--flags' to print box86 flags and quit\n");
}
void addNewEnvVar(const char* s)
{
if(!s)
return;
char* p = box_strdup(s);
char* e = strchr(p, '=');
if(!e) {
printf_log(LOG_INFO, "Invalid specific env. var. '%s'\n", s);
box_free(p);
return;
}
*e='\0';
++e;
setenv(p, e, 1);
box_free(p);
}
EXPORTDYN
void LoadEnvVars(box86context_t *context)
{
char *p;
// Check custom env. var. and add them if needed
p = getenv("BOX86_ENV");
if(p)
addNewEnvVar(p);
int i = 1;
char box86_env[50];
do {
sprintf(box86_env, "BOX86_ENV%d", i);
p = getenv(box86_env);
if(p) {
addNewEnvVar(p);
++i;
}
} while(p);
// check BOX86_LD_LIBRARY_PATH and load it
LoadEnvPath(&context->box86_ld_lib, ".:lib:lib32:x86:i686", "BOX86_LD_LIBRARY_PATH");
#ifdef PANDORA
if(FileExist("/mnt/utmp/codeblocks/usr/lib/i386-linux-gnu", 0))
AddPath("/mnt/utmp/codeblocks/usr/lib/i386-linux-gnu", &context->box86_ld_lib, 1);
if(FileExist("/mnt/utmp/box86/lib/i386-linux-gnu", 0))
AddPath("/mnt/utmp/box86/lib/i386-linux-gnu", &context->box86_ld_lib, 1);
//TODO: add relative path to box86 location
#endif
#ifndef TERMUX
if(FileExist("/lib/box86", 0))
AddPath("/lib/box86", &context->box86_ld_lib, 1);
if(FileExist("/usr/lib/box86", 0))
AddPath("/usr/lib/box86", &context->box86_ld_lib, 1);
if(FileExist("/lib/i386-linux-gnu", 0))
AddPath("/lib/i386-linux-gnu", &context->box86_ld_lib, 1);
if(FileExist("/usr/lib/i386-linux-gnu", 0))
AddPath("/usr/lib/i386-linux-gnu", &context->box86_ld_lib, 1);
if(FileExist("/lib/i686-pc-linux-gnu", 0))
AddPath("/lib/i686-pc-linux-gnu", &context->box86_ld_lib, 1);
if(FileExist("/usr/lib/i686-pc-linux-gnu", 0))
AddPath("/usr/lib/i686-pc-linux-gnu", &context->box86_ld_lib, 1);
if(FileExist("/usr/lib32", 0))
AddPath("/usr/lib32", &context->box86_ld_lib, 1);
#else
if(FileExist("/data/data/com.termux/files/usr/lib/i386-linux-gnu", 0))
AddPath("/data/data/com.termux/files/usr/lib/i386-linux-gnu", &context->box86_ld_lib, 1);
if(FileExist("/data/data/com.termux/files/usr/lib/i686-linux-gnu", 0))
AddPath("/data/data/com.termux/files/usr/lib/i686-linux-gnu", &context->box86_ld_lib, 1);
#endif
if(getenv("LD_LIBRARY_PATH"))
PrependList(&context->box86_ld_lib, getenv("LD_LIBRARY_PATH"), 1); // in case some of the path are for x86 world
if(getenv("BOX86_EMULATED_LIBS")) {
char* p = getenv("BOX86_EMULATED_LIBS");
ParseList(p, &context->box86_emulated_libs, 0);
if (my_context->box86_emulated_libs.size && box86_log) {
printf_log(LOG_INFO, "BOX86 will force the used of emulated libs for ");
for (int i=0; i<context->box86_emulated_libs.size; ++i)
printf_log(LOG_INFO, "%s ", context->box86_emulated_libs.paths[i]);
printf_log(LOG_INFO, "\n");
}
}
// add libssl and libcrypto, prefer emulated version because of multiple version exist
AddPath("libssl.so.1", &context->box86_emulated_libs, 0);
AddPath("libssl.so.1.0.0", &context->box86_emulated_libs, 0);
AddPath("libcrypto.so.1", &context->box86_emulated_libs, 0);
AddPath("libcrypto.so.1.0.0", &context->box86_emulated_libs, 0);
// check BOX86_PATH and load it
LoadEnvPath(&context->box86_path, ".:bin", "BOX86_PATH");
if(getenv("PATH"))
AppendList(&context->box86_path, getenv("PATH"), 1); // in case some of the path are for x86 world
#define READENV(v, name, dest, eqn) \
do { \
p = getenv(name); \
if (p) { \