Added preliminary Box32 support (#1760)

* Improve the ReserveHigMemory helper function

* [BOX32] Added some wrapping infrastructure

* [BOX32] More wrapped 32bits lib infrastructure

* [BOX32] Added callback and tls 32bits handling

* [BOX32] Added more 32bits, around wrappers and elfs

* [BOX32] Added the 32bits version of myalign

* [BOX32] More wrapped libs and 32bits fixes and imrpovments

* [BOX32] Added some 32bits tests

* [BOX32] Try to enable some Box32 build and test on the CI

* [BOX32] Disable Box32 testing on CI platform that use qemu

* [BOX32] Another attempt to disable Box32 testing on CI platform that use qemu

* [BOX32] Small fix for another attempt to disable Box32 testing on CI platform that use qemu

* [BOX32] Yet another fix for another attempt to disable Box32 testing on CI platform that use qemu

* [BOX32] Fixed a typo in CI script

* [BOX32] Better scratch alighnment and enabled more tests

* [BOX32] Added (partial) wrapped 32bits librt

* [BOX32] Added mention of Box32 in README

* [BOX32] Added phtread handling, and numerous fixes to 32bits handling. [ARM64_DYNAREC] Fixed access to segment with negative offset

* [BOX32] Added system libs and cpp testing, plus some more fixes

* [BOX32] Fix previous commit

* [BOX32] Better stack adjustment for 32bits processes

* [BOX32] Added getenv wrapped 32bits function and friends

* [BOX32] Don't look for box86 for a Box32 build

* [BOX32] Don't do 32bits cppThreads test for now on CI

* [BOX32] Enabled a few more 32bits tests

* [BOX32] For ld_lib_path for both CppThreads tests

* [BOX32] [ANDROID] Some Fixes for Android Build

* [BOX32] Still need to disable cppThread_32bits test on CI for some reason

* [BOX32] [ANDROID] Don't show PreInit Array Warning (#1751)

* [BOX32] [ANDROID] One More Fix for Android Build That I forgotten to … (#1752)

* [BOX32] [ANDROID] One More Fix for Android Build That I forgotten to push before

* [BOX32] [ANDROID] Try to Create __libc_init

* [BOX32] [ANDROID] Try to disable NEEDED_LIBS for now (libdl is not wrapped)

* [BOX32] Updated generated files

* [BOX32] Added 32bits context functions

* [BOX32] Added 32bits signal handling

* [BOX32] Added some missing 32bits elfloader functions

* [BOX32] Fix build on x86_64 machine

* [BOX32] Better fix for x86_64 build

* [BOX32] Actually added missing libs, and re-enabled cppThreads_32bits test

* [BOX32] Added wrapped 32bits libdl

* [BOX32] Try to re-enabled Box32 test on CI for ARM64 builds

* [BOX32] fine-tuning Box32 test on CI for ARM64 builds

* [BOX32] More fine-tuning to Box32 test on CI for ARM64 builds

* [BOX32] Enabled Box32 test on CI for LA64 and RV64 builds too

* [BOX32] re-Disabled Box32 test on CI for LA64 and RV64 builds, not working for now

* [BOX32] Temporarily disabled cppThreads_32bits test on CI

---------

Co-authored-by: KreitinnSoftware <pablopro5051@gmail.com>
Co-authored-by: KreitinnSoftware <80591934+KreitinnSoftware@users.noreply.github.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/tests32/test20.c b/tests32/test20.c
new file mode 100644
index 00000000..017e925c
--- /dev/null
+++ b/tests32/test20.c
@@ -0,0 +1,48 @@
+#include <string.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <math.h>
+
+#if defined(__x86_64__)
+#error Nope!
+#else
+__attribute__((naked)) uint64_t _idiv_(uint32_t a, uint32_t b)
+{
+    asm volatile (
+    "xor %%eax, %%eax\n"
+    "mov 4(%%esp), %%edx\n"
+    "mov 8(%%esp), %%ecx\n"
+    "shrd $0x10, %%edx, %%eax\n"
+    "sar $0x10, %%edx\n"
+    "idiv %%ecx\n"
+    "ret"
+    :::);
+}
+#endif
+
+int main(int argc, const char** argv)
+{
+ uint32_t tests[][2] = {
+  {0x000002d0, 0x00000500},
+  {0xfffffa5d, 0x000186a0},
+  {0x00001701, 0x000186a0},
+  {0xffff9a19, 0x000186a0},
+  {0xffffe7f3, 0x000186a0},
+  {0x00015840, 0x000186a0},
+  {0xff451330, 0x000186a0},
+  {0xffff626a, 0x000186a0},
+  {0x00009120, 0x000186a0},
+ };
+ int n = sizeof(tests)/sizeof(tests[0]); 
+ uint64_t res;
+ for(int i=0; i<n; ++i) {
+   printf("SDHLD/SAR/IDIV 0x%x 0x%x ", tests[i][0], tests[i][1]);
+   res = _idiv_(tests[i][0], tests[i][1]);
+   uint32_t divi = res & 0xffffffffLL;
+   uint32_t modo = res >> 32;
+   printf("=> 0x%x / 0x%x (%lld/%d => %d + %d)\n", modo, divi, ((int64_t)tests[i][0])<<16, tests[i][1], divi, modo);
+ }
+ printf("\nDone\n");
+}