Fix MODE=optlinux and MODE=tiny builds

test/libc/calls/stackoverflow1_test.c

@@ -80,19 +80,19 @@ void SetUp(void) {
   sigaction(SIGSEGV, &sa, 0);
 }
 
-int StackOverflow(void);
-int (*pStackOverflow)(void) = StackOverflow;
-int StackOverflow(void) {
-  return pStackOverflow();
+int StackOverflow(int d) {
+  char A[8];
+  for (int i = 0; i < sizeof(A); i++)
+    A[i] = d + i;
+  if (__veil("r", d))
+    return StackOverflow(d + 1) + A[d % sizeof(A)];
+  return 0;
 }
 
 TEST(stackoverflow, standardStack_altStack_process_longjmp) {
-  if (IsTiny())
-    return;  // TODO(jart): why?
-
   int jumpcode;
   if (!(jumpcode = setjmp(recover))) {
-    exit(pStackOverflow());
+    exit(StackOverflow(0));
   }
   ASSERT_EQ(123, jumpcode);
   ASSERT_TRUE(smashed_stack);

test/libc/calls/stackoverflow2_test.c

@@ -51,10 +51,13 @@ void CrashHandler(int sig, siginfo_t *si, void *ctx) {
   longjmp(recover, 123);
 }
 
-int StackOverflow(void);
-int (*pStackOverflow)(void) = StackOverflow;
-int StackOverflow(void) {
-  return pStackOverflow();
+int StackOverflow(int d) {
+  char A[8];
+  for (int i = 0; i < sizeof(A); i++)
+    A[i] = d + i;
+  if (__veil("r", d))
+    return StackOverflow(d + 1) + A[d % sizeof(A)];
+  return 0;
 }
 
 void *MyPosixThread(void *arg) {
@@ -71,7 +74,7 @@ void *MyPosixThread(void *arg) {
   sigaction(SIGBUS, &sa, &o1);
   sigaction(SIGSEGV, &sa, &o2);
   if (!(jumpcode = setjmp(recover))) {
-    exit(pStackOverflow());
+    exit(StackOverflow(0));
   }
   ASSERT_EQ(123, jumpcode);
   sigaction(SIGSEGV, &o2, 0);

test/libc/calls/stackoverflow3_test.c

@@ -85,10 +85,13 @@ void CrashHandler(int sig, siginfo_t *si, void *arg) {
 #endif
 }
 
-int StackOverflow(void);
-int (*pStackOverflow)(void) = StackOverflow;
-int StackOverflow(void) {
-  return pStackOverflow();
+int StackOverflow(int d) {
+  char A[8];
+  for (int i = 0; i < sizeof(A); i++)
+    A[i] = d + i;
+  if (__veil("r", d))
+    return StackOverflow(d + 1) + A[d % sizeof(A)];
+  return 0;
 }
 
 void *MyPosixThread(void *arg) {
@@ -103,7 +106,7 @@ void *MyPosixThread(void *arg) {
   sa.sa_sigaction = CrashHandler;
   sigaction(SIGBUS, &sa, 0);
   sigaction(SIGSEGV, &sa, 0);
-  exit(pStackOverflow());
+  exit(StackOverflow(0));
   return 0;
 }
 

test/libc/calls/stackoverflow4_test.c

@@ -45,10 +45,13 @@ void CrashHandler(int sig) {
   pthread_exit((void *)123L);
 }
 
-int StackOverflow(void);
-int (*pStackOverflow)(void) = StackOverflow;
-int StackOverflow(void) {
-  return pStackOverflow();
+int StackOverflow(int d) {
+  char A[8];
+  for (int i = 0; i < sizeof(A); i++)
+    A[i] = d + i;
+  if (__veil("r", d))
+    return StackOverflow(d + 1) + A[d % sizeof(A)];
+  return 0;
 }
 
 void *MyPosixThread(void *arg) {
@@ -63,7 +66,7 @@ void *MyPosixThread(void *arg) {
   sa.sa_handler = CrashHandler;
   sigaction(SIGBUS, &sa, 0);
   sigaction(SIGSEGV, &sa, 0);
-  exit(pStackOverflow());
+  exit(StackOverflow(0));
   return 0;
 }
 

test/libc/calls/stackoverflow5_test.c

@@ -34,14 +34,17 @@ void CrashHandler(int sig) {
   pthread_exit(0);
 }
 
-int StackOverflow(void);
-int (*pStackOverflow)(void) = StackOverflow;
-int StackOverflow(void) {
-  return pStackOverflow();
+int StackOverflow(int d) {
+  char A[8];
+  for (int i = 0; i < sizeof(A); i++)
+    A[i] = d + i;
+  if (__veil("r", d))
+    return StackOverflow(d + 1) + A[d % sizeof(A)];
+  return 0;
 }
 
 void *MyPosixThread(void *arg) {
-  exit(pStackOverflow());
+  exit(StackOverflow(0));
   return 0;
 }
 

test/libc/log/backtrace.c

@@ -20,6 +20,7 @@
 #include "libc/intrin/weaken.h"
 #include "libc/limits.h"
 #include "libc/log/log.h"
+#include "libc/macros.internal.h"
 #include "libc/mem/leaks.h"
 #include "libc/mem/mem.h"
 #include "libc/runtime/internal.h"
@@ -28,8 +29,15 @@
 #include "libc/str/str.h"
 #ifdef __x86_64__
 
-int StackOverflow(void) {
-  return _weaken(StackOverflow)();
+#include <stdlib.h>
+
+int StackOverflow(int d) {
+  char A[8];
+  for (int i = 0; i < sizeof(A); i++)
+    A[i] = d + i;
+  if (__veil("r", d))
+    return StackOverflow(d + 1) + A[d % sizeof(A)];
+  return 0;
 }
 
 void FpuCrash(void) {
@@ -85,14 +93,21 @@ int NpeCrash(char *p) {
   return *p;
 }
 
+int StackOverflowCrash(int d) {
+  char A[8];
+  for (int i = 0; i < sizeof(A); i++)
+    A[i] = d + i;
+  if (__veil("r", d))
+    return StackOverflowCrash(d + 1) + A[d % sizeof(A)];
+  return 0;
+}
+
 void (*pFpuCrash)(void) = FpuCrash;
 void (*pBssOverrunCrash)(int) = BssOverrunCrash;
 void (*pDataOverrunCrash)(int) = DataOverrunCrash;
 int (*pRodataOverrunCrash)(int) = RodataOverrunCrash;
-char *(*pStackOverrunCrash)(int) = StackOverrunCrash;
 char *(*pMemoryLeakCrash)(void) = MemoryLeakCrash;
 int (*pNpeCrash)(char *) = NpeCrash;
-int (*pStackOverflow)(void) = StackOverflow;
 
 int main(int argc, char *argv[]) {
   ShowCrashReports();
@@ -112,7 +127,7 @@ int main(int argc, char *argv[]) {
         pDataOverrunCrash(10 + 1);
         exit(0);
       case 5:
-        exit((intptr_t)pStackOverrunCrash(10 + 10000));
+        exit(StackOverflowCrash(0));
       case 6:
         exit((intptr_t)pMemoryLeakCrash());
       case 7:
@@ -120,7 +135,7 @@ int main(int argc, char *argv[]) {
       case 8:
         exit(pNpeCrash(0));
       case 9:
-        exit(pStackOverflow());
+        exit(StackOverflow(0));
       default:
         fputs("error: unrecognized argument\n", stderr);
         exit(1);