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Mint APE Loader v1.5

Browse source 
This change ports APE Loader to Linux AARCH64, so that Raspberry Pi
users can run programs like redbean, without the executable needing
to modify itself. Progress has also slipped into this change on the
issue of making progress better conforming to user expectations and
industry standards regarding which symbols we're allowed to declare
This commit is contained in:
Justine Tunney 2023-07-26 13:54:49 -07:00
parent 6843150e0c
commit 7e0a09feec
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
510 changed files with 1783 additions and 1483 deletions
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2
test/libc/runtime/grow_test.c
View file

@ -27,7 +27,7 @@
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
STATIC_YOINK("realloc");
__static_yoink("realloc");
TEST(grow, testNull_hasAllocatingBehavior) {
void *p = NULL;

74
test/libc/runtime/itsatrap_test.c
View file

@ -50,128 +50,128 @@ void SetUp(void) {
/* 32-BIT SIGNED NEGATION */
TEST(__negvsi2, testMax) {
EXPECT_EQ(-INT_MAX, -VEIL("r", INT_MAX));
EXPECT_EQ(-INT_MAX, -__veil("r", INT_MAX));
EXPECT_FALSE(overflowed_);
}
TEST(__negvsi2, testMin0) {
EXPROPRIATE(-VEIL("r", INT_MIN));
__expropriate(-__veil("r", INT_MIN));
EXPECT_TRUE(overflowed_);
}
/* 64-BIT SIGNED NEGATION */
TEST(__negvdi2, testMax) {
EXPECT_EQ(-LONG_MAX, -VEIL("r", LONG_MAX));
EXPECT_EQ(-LONG_MAX, -__veil("r", LONG_MAX));
EXPECT_FALSE(overflowed_);
}
TEST(__negvdi2, testMin0) {
EXPROPRIATE(-VEIL("r", LONG_MIN));
__expropriate(-__veil("r", LONG_MIN));
EXPECT_TRUE(overflowed_);
}
/* 32-BIT SIGNED MULTIPLICATION */
TEST(__mulvsi3, testMin0) {
EXPECT_EQ(0, 0 * VEIL("r", INT_MIN));
EXPECT_EQ(0, 0 * __veil("r", INT_MIN));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvsi3, testMin1) {
EXPECT_EQ(INT_MIN, 1 * VEIL("r", INT_MIN));
EXPECT_EQ(INT_MIN, 1 * __veil("r", INT_MIN));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvsi3, testMin2) {
EXPROPRIATE(2 * VEIL("r", INT_MIN));
__expropriate(2 * __veil("r", INT_MIN));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvsi3, testMax0) {
EXPECT_EQ(0, 0 * VEIL("r", INT_MAX));
EXPECT_EQ(0, 0 * __veil("r", INT_MAX));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvsi3, testMax1) {
EXPECT_EQ(INT_MAX, 1 * VEIL("r", INT_MAX));
EXPECT_EQ(INT_MAX, 1 * __veil("r", INT_MAX));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvsi3, testMax2) {
EXPROPRIATE(2 * VEIL("r", INT_MAX));
__expropriate(2 * __veil("r", INT_MAX));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvsi3, test7) {
EXPECT_EQ(0x70000000, 7 * VEIL("r", 0x10000000));
EXPECT_EQ(0x70000000, 7 * __veil("r", 0x10000000));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvsi3, test8) {
EXPROPRIATE(8 * VEIL("r", 0x10000000));
__expropriate(8 * __veil("r", 0x10000000));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvsi3, test31337) {
EXPROPRIATE(0x31337 * VEIL("r", 0x31337));
__expropriate(0x31337 * __veil("r", 0x31337));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvsi3, standAndDeliver_aNegativeTimesANegativeEqualsAPositive) {
EXPECT_EQ(25, -5 * VEIL("r", -5));
EXPECT_EQ(25, -5 * __veil("r", -5));
EXPECT_FALSE(overflowed_);
}
/* 64-BIT SIGNED MULTIPLICATION */
TEST(__mulvdi3, testMin0) {
EXPECT_EQ(0, 0 * VEIL("r", LONG_MIN));
EXPECT_EQ(0, 0 * __veil("r", LONG_MIN));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvdi3, testMin1) {
EXPECT_EQ(LONG_MIN, 1 * VEIL("r", LONG_MIN));
EXPECT_EQ(LONG_MIN, 1 * __veil("r", LONG_MIN));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvdi3, testMin2) {
EXPROPRIATE(2 * VEIL("r", LONG_MIN));
__expropriate(2 * __veil("r", LONG_MIN));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvdi3, testMax0) {
EXPECT_EQ(0, 0 * VEIL("r", LONG_MAX));
EXPECT_EQ(0, 0 * __veil("r", LONG_MAX));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvdi3, testMax1) {
EXPECT_EQ(LONG_MAX, 1 * VEIL("r", LONG_MAX));
EXPECT_EQ(LONG_MAX, 1 * __veil("r", LONG_MAX));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvdi3, testMax2) {
EXPROPRIATE(2 * VEIL("r", LONG_MAX));
__expropriate(2 * __veil("r", LONG_MAX));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvdi3, test7) {
EXPECT_EQ(0x7000000000000000l, 7 * VEIL("r", 0x1000000000000000l));
EXPECT_EQ(0x7000000000000000l, 7 * __veil("r", 0x1000000000000000l));
EXPECT_FALSE(overflowed_);
}
TEST(__mulvdi3, test8) {
EXPROPRIATE(8 * VEIL("r", 0x1000000000000000l));
__expropriate(8 * __veil("r", 0x1000000000000000l));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvdi3, test31337) {
EXPROPRIATE(0x3133700000000l * VEIL("r", 0x3133700000000l));
__expropriate(0x3133700000000l * __veil("r", 0x3133700000000l));
EXPECT_TRUE(overflowed_);
}
TEST(__mulvdi3, standAndDeliver_aNegativeTimesANegativeEqualsAPositive) {
EXPECT_EQ(25l, -5l * VEIL("r", -5l));
EXPECT_EQ(25l, -5l * __veil("r", -5l));
EXPECT_FALSE(overflowed_);
}
@ -188,73 +188,73 @@ TEST(__mulvdi3, testOverflow) {
/* 32-BIT SIGNED ADDITION */
TEST(__addvsi3, testMin1) {
EXPECT_EQ(INT_MIN + 1, 1 + VEIL("r", INT_MIN));
EXPECT_EQ(INT_MIN + 1, 1 + __veil("r", INT_MIN));
EXPECT_FALSE(overflowed_);
}
TEST(__addvsi3, testMax1) {
EXPROPRIATE(1 + VEIL("r", INT_MAX));
__expropriate(1 + __veil("r", INT_MAX));
EXPECT_TRUE(overflowed_);
}
TEST(__addvsi3, testNegPos) {
EXPECT_EQ(2, -2 + VEIL("r", 4));
EXPECT_EQ(2, -2 + __veil("r", 4));
EXPECT_FALSE(overflowed_);
}
TEST(__addvsi3, testPosNeg) {
EXPECT_EQ(-2, 2 + VEIL("r", -4));
EXPECT_EQ(-2, 2 + __veil("r", -4));
EXPECT_FALSE(overflowed_);
}
/* 64-BIT SIGNED ADDITION */
TEST(__addvdi3, testMin1) {
EXPECT_EQ(LONG_MIN + 1, 1 + VEIL("r", LONG_MIN));
EXPECT_EQ(LONG_MIN + 1, 1 + __veil("r", LONG_MIN));
EXPECT_FALSE(overflowed_);
}
TEST(__addvdi3, testMax1) {
EXPROPRIATE(1 + VEIL("r", LONG_MAX));
__expropriate(1 + __veil("r", LONG_MAX));
EXPECT_TRUE(overflowed_);
}
TEST(__addvdi3, testNegPos) {
EXPECT_EQ(2l, -2l + VEIL("r", 4l));
EXPECT_EQ(2l, -2l + __veil("r", 4l));
EXPECT_FALSE(overflowed_);
}
TEST(__addvdi3, testPosNeg) {
EXPECT_EQ(-2l, 2l + VEIL("r", -4l));
EXPECT_EQ(-2l, 2l + __veil("r", -4l));
EXPECT_FALSE(overflowed_);
}
/* 32-BIT SIGNED SUBTRACTION */
TEST(__subvsi3, testMin1) {
EXPROPRIATE(VEIL("r", INT_MIN) - 1);
__expropriate(__veil("r", INT_MIN) - 1);
EXPECT_TRUE(overflowed_);
}
TEST(__subvsi3, testMax1) {
EXPECT_EQ(INT_MAX - 1, VEIL("r", INT_MAX) - 1);
EXPECT_EQ(INT_MAX - 1, __veil("r", INT_MAX) - 1);
EXPECT_FALSE(overflowed_);
}
TEST(__subvsi3, testPosNeg) {
EXPECT_EQ(-2, 2 - VEIL("r", 4));
EXPECT_EQ(-2, 2 - __veil("r", 4));
EXPECT_FALSE(overflowed_);
}
/* 64-BIT SIGNED SUBTRACTION */
TEST(__subvdi3, testMin1) {
EXPROPRIATE(VEIL("r", LONG_MIN) - 1);
__expropriate(__veil("r", LONG_MIN) - 1);
EXPECT_TRUE(overflowed_);
}
TEST(__subvdi3, testMax1) {
EXPECT_EQ(LONG_MAX - 1, VEIL("r", LONG_MAX) - 1);
EXPECT_EQ(LONG_MAX - 1, __veil("r", LONG_MAX) - 1);
EXPECT_FALSE(overflowed_);
}

2
test/libc/runtime/mmap_test.c
View file

@ -48,7 +48,7 @@
#include "libc/x/xspawn.h"
#include "third_party/xed/x86.h"
STATIC_YOINK("zipos");
__static_yoink("zipos");
char testlib_enable_tmp_setup_teardown;

34
test/libc/runtime/mprotect_test.c
View file

@ -28,6 +28,7 @@
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/auxv.h"
#include "libc/sysv/consts/map.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/prot.h"
@ -116,9 +117,9 @@ void TearDown(void) {
}
TEST(mprotect, testOkMemory) {
char *p = gc(memalign(APE_GUARDSIZE, APE_GUARDSIZE));
char *p = gc(memalign(getauxval(AT_PAGESZ), getauxval(AT_PAGESZ)));
p[0] = 0;
ASSERT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_READ | PROT_WRITE));
ASSERT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_READ | PROT_WRITE));
p[0] = 1;
EXPECT_EQ(1, p[0]);
EXPECT_FALSE(gotsegv);
@ -127,19 +128,19 @@ TEST(mprotect, testOkMemory) {
TEST(mprotect, testSegfault_writeToReadOnlyAnonymous) {
volatile char *p;
p = gc(memalign(APE_GUARDSIZE, APE_GUARDSIZE));
p = gc(memalign(getauxval(AT_PAGESZ), getauxval(AT_PAGESZ)));
EXPECT_FALSE(gotsegv);
p[0] = 1;
EXPECT_FALSE(gotsegv);
EXPECT_FALSE(gotbusted);
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_READ));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_READ));
_missingno(p[0]);
EXPECT_FALSE(gotsegv);
EXPECT_FALSE(gotbusted);
p[0] = 2;
EXPECT_TRUE(gotsegv | gotbusted);
EXPECT_EQ(1, p[0]);
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_READ | PROT_WRITE));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_READ | PROT_WRITE));
}
TEST(mprotect, testExecOnly_canExecute) {
@ -159,33 +160,34 @@ TEST(mprotect, testExecOnly_canExecute) {
TEST(mprotect, testProtNone_cantEvenRead) {
volatile char *p;
p = gc(memalign(APE_GUARDSIZE, APE_GUARDSIZE));
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_NONE));
p = gc(memalign(getauxval(AT_PAGESZ), getauxval(AT_PAGESZ)));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_NONE));
_missingno(p[0]);
EXPECT_TRUE(gotsegv | gotbusted);
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_READ | PROT_WRITE));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_READ | PROT_WRITE));
}
TEST(mprotect, testExecJit_actuallyWorks) {
int (*p)(void) = gc(memalign(APE_GUARDSIZE, APE_GUARDSIZE));
int (*p)(void) = gc(memalign(getauxval(AT_PAGESZ), getauxval(AT_PAGESZ)));
memcpy(p, kRet31337, sizeof(kRet31337));
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_EXEC));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_EXEC));
EXPECT_EQ(31337, p());
EXPECT_FALSE(gotsegv);
EXPECT_FALSE(gotbusted);
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_READ | PROT_WRITE));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_READ | PROT_WRITE));
}
TEST(mprotect, testRwxMap_vonNeumannRules) {
if (IsOpenbsd()) return; // boo
if (IsXnuSilicon()) return; // boo
int (*p)(void) = gc(memalign(APE_GUARDSIZE, APE_GUARDSIZE));
int (*p)(void) = gc(memalign(getauxval(AT_PAGESZ), getauxval(AT_PAGESZ)));
memcpy(p, kRet31337, sizeof(kRet31337));
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_READ | PROT_WRITE | PROT_EXEC));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ),
PROT_READ | PROT_WRITE | PROT_EXEC));
EXPECT_EQ(31337, p());
EXPECT_FALSE(gotsegv);
EXPECT_FALSE(gotbusted);
EXPECT_NE(-1, mprotect(p, APE_GUARDSIZE, PROT_READ | PROT_WRITE));
EXPECT_NE(-1, mprotect(p, getauxval(AT_PAGESZ), PROT_READ | PROT_WRITE));
}
TEST(mprotect, testExecuteFlatFileMapOpenedAsReadonly) {
@ -220,13 +222,13 @@ TEST(mprotect, testFileMap_canChangeToExecWhileOpenInRdwrMode) {
}
TEST(mprotect, testBadProt_failsEinval) {
volatile char *p = gc(memalign(APE_GUARDSIZE, APE_GUARDSIZE));
volatile char *p = gc(memalign(getauxval(AT_PAGESZ), getauxval(AT_PAGESZ)));
EXPECT_EQ(-1, mprotect(p, 9999, -1));
EXPECT_EQ(EINVAL, errno);
}
TEST(mprotect, testZeroSize_doesNothing) {
volatile char *p = gc(memalign(APE_GUARDSIZE, APE_GUARDSIZE));
volatile char *p = gc(memalign(getauxval(AT_PAGESZ), getauxval(AT_PAGESZ)));
EXPECT_NE(-1, mprotect(p, 0, PROT_READ));
p[0] = 1;
EXPECT_FALSE(gotsegv);

7
test/libc/runtime/test.mk
View file

@ -82,10 +82,15 @@ o/$(MODE)/test/libc/runtime/itsatrap_test.o: private \
-fno-sanitize=all \
-ftrapv
ifeq ($(ARCH), aarch64)
FTRACEASM_LDSCRIPT = o/$(MODE)/ape/aarch64.lds
endif
o/$(MODE)/test/libc/runtime/prog/ftraceasm.elf: \
$(TEST_LIBC_RUNTIME_DEPS) \
o/$(MODE)/test/libc/runtime/prog/ftraceasm.o \
o/$(MODE)/test/libc/runtime/runtime.pkg
o/$(MODE)/test/libc/runtime/runtime.pkg \
$(FTRACEASM_LDSCRIPT)
@$(ELFLINK)
o/$(MODE)/test/libc/runtime/prog/ftraceasm.txt: \
o/$(MODE)/test/libc/runtime/prog/ftraceasm.elf

2
test/libc/runtime/tls_test.c
View file

@ -30,7 +30,7 @@ _Thread_local long x;
_Thread_local long y[1] = {40};
_Alignas(A) _Thread_local long a;
noubsan void *Worker(void *arg) {
dontubsan void *Worker(void *arg) {
ASSERT_EQ(42, x + y[0] + z);
ASSERT_EQ(0, (intptr_t)&a & (A - 1));
if (IsAsan()) {