Merge pull request #26 from stikonas/musl

Musl

sysa/tcc-0.9.27/patches/ignore-duplicate-symbols.patch

@@ -0,0 +1,15 @@
+Ignore duplicate symbols. Due to poor support for weak symbols in tcc-ar
+we had to patch musl to replace weak symbols with strong symbols
+--- tccelf.c	2021-02-02 17:41:08.662247892 +0000
++++ tccelf.c	2021-02-02 23:21:49.652080201 +0000
+@@ -552,8 +552,9 @@
+ #if 0
+                 printf("new_bind=%x new_shndx=%x new_vis=%x old_bind=%x old_shndx=%x old_vis=%x\n",
+                        sym_bind, shndx, new_vis, esym_bind, esym->st_shndx, esym_vis);
+-#endif
+                 tcc_error_noabort("'%s' defined twice", name);
++#endif
++		goto do_patch;
+             }
+         } else {
+         do_patch:

sysa/tcc-0.9.27/patches/mes-libc-crt1.patch

@@ -0,0 +1,23 @@
+Fix issue in mes-libc crt where argc was getting truncated to lower byte and
+prevented programs with more than 255 arguments from working correctly. 
+
+--- lib/linux/x86-mes-gcc/crt1.c
++++ lib/linux/x86-mes-gcc/crt1.c
+@@ -48,7 +48,7 @@ _start ()
+   asm (
+        "mov     %%ebp,%%eax\n\t"
+        "add     $4,%%eax\n\t"
+-       "movzbl  (%%eax),%%eax\n\t"
++       "mov     (%%eax),%%eax\n\t"
+        "add     $3,%%eax\n\t"
+        "shl     $2,%%eax\n\t"
+        "add     %%ebp,%%eax\n\t"
+@@ -64,7 +64,7 @@ _start ()
+ 
+        "mov     %ebp,%eax\n\t"
+        "add     $4,%eax\n\t"
+-       "movzbl  (%eax),%eax\n\t"
++       "mov     (%eax),%eax\n\t"
+        "push    %eax\n\t"
+ 
+        "call    main\n\t"