Mod: remove in-line asm

Author: yzhang71

configure

@@ -6982,10 +6982,10 @@ else
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
 printf "%s\n" "$libc_linker_feature" >&6; }
-  if test "$libc_cv_support_undefined_version" = no; then
-    as_fn_error $? "support for -Wl,--undefined-version required" "$LINENO" 5
-  fi
-  libc_cv_undefined_version="-Wl,--undefined-version"
+  # if test "$libc_cv_support_undefined_version" = no; then
+  #   as_fn_error $? "support for -Wl,--undefined-version required" "$LINENO" 5
+  # fi
+  # libc_cv_undefined_version="-Wl,--undefined-version"
 fi
 rm -f conftest.*t
 fi

sysdeps/i386/abort-instr.h

@@ -1,2 +1,2 @@
 /* An instruction which should crash any program is `hlt'.  */
-#define ABORT_INSTRUCTION asm ("hlt")
+#define ABORT_INSTRUCTION __builtin_trap ()

sysdeps/unix/sysv/linux/i386/sysdep.h

@@ -306,27 +306,16 @@ struct libc_do_syscall_args
       (int) (arg1),							\
       (int) (arg5),							\
       (int) (arg6)							\
-    };									\
-    asm volatile (							\
-    "movl %1, %%eax\n\t"						\
-    "call " I386_DO_SYSCALL_STRING					\
-    : "=a" (resultvar)							\
-    : "i" (__NR_##name), "c" (arg2), "d" (arg3), "S" (arg4), "D" (&_xv) \
-    : "memory", "cc")
+    };									
+
 #define INTERNAL_SYSCALL_MAIN_NCS_6(name, arg1, arg2, arg3,		\
 				    arg4, arg5, arg6)			\
   struct libc_do_syscall_args _xv =					\
     {									\
       (int) (arg1),							\
       (int) (arg5),							\
       (int) (arg6)							\
-    };									\
-    asm volatile (							\
-    "movl %1, %%eax\n\t"						\
-    "call " I386_DO_SYSCALL_STRING					\
-    : "=a" (resultvar)							\
-    : "a" (name), "c" (arg2), "d" (arg3), "S" (arg4), "D" (&_xv)	\
-    : "memory", "cc")
+    };									
 
 #define INTERNAL_SYSCALL(name, nr, args...) \
   ({									      \
@@ -342,46 +331,26 @@ struct libc_do_syscall_args
 #if I386_USE_SYSENTER
 # ifdef PIC
 #  define INTERNAL_SYSCALL_MAIN_INLINE(name, nr, args...) \
-    LOADREGS_##nr(args)							\
-    asm volatile (							\
-    "call *%%gs:%P2"							\
-    : "=a" (resultvar)							\
-    : "a" (__NR_##name), "i" (offsetof (tcbhead_t, sysinfo))		\
-      ASMARGS_##nr(args) : "memory", "cc")
+    LOADREGS_##nr(args)							
+
 #  define INTERNAL_SYSCALL_MAIN_NCS(name, nr, args...) \
-    LOADREGS_##nr(args)							\
-    asm volatile (							\
-    "call *%%gs:%P2"							\
-    : "=a" (resultvar)							\
-    : "a" (name), "i" (offsetof (tcbhead_t, sysinfo))			\
-      ASMARGS_##nr(args) : "memory", "cc")
+    LOADREGS_##nr(args)							
+
 # else /* I386_USE_SYSENTER && !PIC */
 #  define INTERNAL_SYSCALL_MAIN_INLINE(name, nr, args...) \
-    LOADREGS_##nr(args)							\
-    asm volatile (							\
-    "call *_dl_sysinfo"							\
-    : "=a" (resultvar)							\
-    : "a" (__NR_##name) ASMARGS_##nr(args) : "memory", "cc")
+    LOADREGS_##nr(args)							
+
 #  define INTERNAL_SYSCALL_MAIN_NCS(name, nr, args...) \
-    LOADREGS_##nr(args)							\
-    asm volatile (							\
-    "call *_dl_sysinfo"							\
-    : "=a" (resultvar)							\
-    : "a" (name) ASMARGS_##nr(args) : "memory", "cc")
+    LOADREGS_##nr(args)							
+
 # endif /* I386_USE_SYSENTER && !PIC */
 #else /* !I386_USE_SYSENTER */
 # define INTERNAL_SYSCALL_MAIN_INLINE(name, nr, args...) \
-    LOADREGS_##nr(args)							\
-    asm volatile (							\
-    "int $0x80"								\
-    : "=a" (resultvar)							\
-    : "a" (__NR_##name) ASMARGS_##nr(args) : "memory", "cc")
+    LOADREGS_##nr(args)							
+
 # define INTERNAL_SYSCALL_MAIN_NCS(name, nr, args...) \
-    LOADREGS_##nr(args)							\
-    asm volatile (							\
-    "int $0x80"								\
-    : "=a" (resultvar)							\
-    : "a" (name) ASMARGS_##nr(args) : "memory", "cc")
+    LOADREGS_##nr(args)							
+    
 #endif /* !I386_USE_SYSENTER */
 
 #define LOADREGS_0()

wasm-config.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+BUILDDIR=build
+mkdir -p $BUILDDIR
+cd $BUILDDIR
+../configure --disable-werror --disable-profile --with-headers=/usr/i686-linux-gnu/include --prefix=/home/dennis/Documents/Just-One-Turtle/glibc/target --host=i686-linux-gnu --build=i686-linux-gnu\
+    CFLAGS=" -O2 -g" \
+    CC="/home/dennis/Documents/Just-One-Turtle/clang+llvm-16.0.4-x86_64-linux-gnu-ubuntu-22.04/bin/clang --target=wasm32-unkown-wasi"