Fix symbol clash on bunlded static libs

bindings/rust/build.rs

@@ -68,7 +68,7 @@ fn build_with_cmake() {
     let profile = env::var("PROFILE").unwrap();
 
     if let Some(unicorn_dir) = find_unicorn(&out_dir()) {
-        let rust_build_path = unicorn_dir.join("rust_build");
+        let rust_build_path = unicorn_dir.join("build_rust");
         println!(
             "cargo:rustc-link-search={}",
             rust_build_path.to_str().unwrap()
@@ -89,7 +89,7 @@ fn build_with_cmake() {
             download_unicorn()
         };
 
-        let rust_build_path = unicorn_dir.join("rust_build");
+        let rust_build_path = unicorn_dir.join("build_rust");
 
         let mut cmd = Command::new("cmake");
 
@@ -98,7 +98,7 @@ fn build_with_cmake() {
             // Windows
             cmd.current_dir(&unicorn_dir)
                 .arg("-B")
-                .arg("rust_build")
+                .arg("build_rust")
                 .arg("-DBUILD_SHARED_LIBS=OFF")
                 .arg("-G")
                 .arg("Visual Studio 16 2019");
@@ -138,7 +138,7 @@ fn build_with_cmake() {
             let mut cmd = Command::new("cmake");
             cmd.current_dir(&unicorn_dir)
                 .arg("-B")
-                .arg("rust_build")
+                .arg("build_rust")
                 .arg("-DBUILD_SHARED_LIBS=OFF");
 
             if profile == "debug" {
@@ -163,35 +163,8 @@ fn build_with_cmake() {
         }
     }
 
-    // This is a workaround for Unicorn static link since libunicorn.a is also linked again lib*-softmmu.a.
-    // Static libs is just a bundle of objects files. The link relation defined in CMakeLists is only
-    // valid within the cmake project scope and cmake would help link again sub static libs automatically.
-    //
     // Lazymio(@wtdcode): Why do I stick to static link? See: https://github.com/rust-lang/cargo/issues/5077
-    println!("cargo:rustc-link-lib=unicorn");
+    println!("cargo:rustc-link-lib=unicorn-static");
-    for arch in [
-        "x86_64",
-        "arm",
-        "aarch64",
-        "riscv32",
-        "riscv64",
-        "mips",
-        "mipsel",
-        "mips64",
-        "mips64el",
-        "sparc",
-        "sparc64",
-        "m68k",
-        "ppc",
-        "ppc64",
-        "s390x"
-    ]
-    .iter()
-    {
-        println!("cargo:rustc-link-lib={}-softmmu", arch);
-    }
-    println!("cargo:rustc-link-lib=unicorn-common");
-
     println!("cargo:rerun-if-changed=build.rs");
     println!("cargo:rerun-if-changed=src");
 }

qemu/exec.c

@@ -1439,6 +1439,25 @@ static void tcg_commit(MemoryListener *listener)
     tlb_flush(cpuas->cpu);
 }
 
+static uint64_t unassigned_io_read(struct uc_struct *uc, void* opaque, hwaddr addr, unsigned size)
+{
+#ifdef _MSC_VER
+    return (uint64_t)0xffffffffffffffffULL;
+#else
+    return (uint64_t)-1ULL;
+#endif
+}
+
+static void unassigned_io_write(struct uc_struct *uc, void* opaque, hwaddr addr, uint64_t data, unsigned size)
+{
+}
+
+static const MemoryRegionOps unassigned_io_ops = {
+    .read = unassigned_io_read,
+    .write = unassigned_io_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
 static void memory_map_init(struct uc_struct *uc)
 {
     uc->system_memory = g_malloc(sizeof(*(uc->system_memory)));

qemu/include/exec/ioport.h

@@ -40,8 +40,6 @@ typedef struct MemoryRegionPortio {
 
 #define PORTIO_END_OF_LIST() { }
 
-extern const MemoryRegionOps unassigned_io_ops;
-
 void cpu_outb(struct uc_struct *uc, uint32_t addr, uint8_t val);
 void cpu_outw(struct uc_struct *uc, uint32_t addr, uint16_t val);
 void cpu_outl(struct uc_struct *uc, uint32_t addr, uint32_t val);

qemu/s390x.h

@@ -1278,4 +1278,7 @@
 #define gen_helper_cpsr_read gen_helper_cpsr_read_s390x
 #define gen_helper_cpsr_write gen_helper_cpsr_write_s390x
 #define helper_uc_s390x_exit helper_uc_s390x_exit_s390x
+#define tcg_s390_tod_updated tcg_s390_tod_updated_s390x
+#define tcg_s390_program_interrupt tcg_s390_program_interrupt_s390x
+#define tcg_s390_data_exception tcg_s390_data_exception_s390x
 #endif

qemu/target/s390x/excp_helper.c

@@ -26,7 +26,7 @@
 #include "exec/exec-all.h"
 #include "exec/cpu_ldst.h"
 #include "hw/s390x/ioinst.h"
-#//include "exec/address-spaces.h"
+//include "exec/address-spaces.h"
 #include "tcg_s390x.h"
 #include "sysemu/sysemu.h"
 //#include "hw/s390x/s390_flic.h"

qemu/target/s390x/tcg-stub.c

@@ -13,18 +13,4 @@
 #include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "cpu.h"
-#include "tcg_s390x.h"
+#include "tcg_s390x.h"
-
-void tcg_s390_tod_updated(CPUState *cs, run_on_cpu_data opaque)
-{
-}
-void QEMU_NORETURN tcg_s390_program_interrupt(CPUS390XState *env,
-                                              uint32_t code, uintptr_t ra)
-{
-    g_assert_not_reached();
-}
-void QEMU_NORETURN tcg_s390_data_exception(CPUS390XState *env, uint32_t dxc,
-                                           uintptr_t ra)
-{
-    g_assert_not_reached();
-}

symbols.sh

@@ -6269,6 +6269,9 @@ ppc_irq_reset \
 ppc64_SYMBOLS=${ppc_SYMBOLS}
 
 s390x_SYMBOLS="helper_uc_s390x_exit \
+tcg_s390_tod_updated \
+tcg_s390_program_interrupt \
+tcg_s390_data_exception \
 "
 
 ARCHS="x86_64 arm aarch64 riscv32 riscv64 mips mipsel mips64 mips64el sparc sparc64 m68k ppc ppc64 s390x"