Avoid asprintf() which is not available on mingw

[qemu.git] / disas.c

diff --git a/disas.c b/disas.c
index 4945c44b9f2a3b7a8dbb49685fcf48c5b69b0341..7b2acc9943028a7bc8372a21e4bce26c72792ec1 100644 (file)
--- a/disas.c
+++ b/disas.c
@@ -51,7 +51,7 @@ perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info)
                           "Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
 }
 
-/* This could be in a separate file, to save miniscule amounts of space
+/* This could be in a separate file, to save minuscule amounts of space
    in statically linked executables.  */
 
 /* Just print the address is hex.  This is included for completeness even
@@ -64,6 +64,22 @@ generic_print_address (bfd_vma addr, struct disassemble_info *info)
     (*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
 }
 
+/* Print address in hex, truncated to the width of a target virtual address. */
+static void
+generic_print_target_address(bfd_vma addr, struct disassemble_info *info)
+{
+    uint64_t mask = ~0ULL >> (64 - TARGET_VIRT_ADDR_SPACE_BITS);
+    generic_print_address(addr & mask, info);
+}
+
+/* Print address in hex, truncated to the width of a host virtual address. */
+static void
+generic_print_host_address(bfd_vma addr, struct disassemble_info *info)
+{
+    uint64_t mask = ~0ULL >> (64 - (sizeof(void *) * 8));
+    generic_print_address(addr & mask, info);
+}
+
 /* Just return the given address.  */
 
 int
@@ -138,7 +154,7 @@ print_insn_thumb1(bfd_vma pc, disassemble_info *info)
 /* Disassemble this for me please... (debugging). 'flags' has the following
    values:
     i386 - 1 means 16 bit code, 2 means 64 bit code
-    arm  - nonzero means thumb code
+    arm  - bit 0 = thumb, bit 1 = reverse endian
     ppc  - nonzero means little endian
     other targets - unused
  */
@@ -154,6 +170,7 @@ void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
     disasm_info.read_memory_func = target_read_memory;
     disasm_info.buffer_vma = code;
     disasm_info.buffer_length = size;
+    disasm_info.print_address_func = generic_print_target_address;
 
 #ifdef TARGET_WORDS_BIGENDIAN
     disasm_info.endian = BFD_ENDIAN_BIG;
@@ -169,10 +186,18 @@ void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
         disasm_info.mach = bfd_mach_i386_i386;
     print_insn = print_insn_i386;
 #elif defined(TARGET_ARM)
-    if (flags)
-       print_insn = print_insn_thumb1;
-    else
-       print_insn = print_insn_arm;
+    if (flags & 1) {
+        print_insn = print_insn_thumb1;
+    } else {
+        print_insn = print_insn_arm;
+    }
+    if (flags & 2) {
+#ifdef TARGET_WORDS_BIGENDIAN
+        disasm_info.endian = BFD_ENDIAN_LITTLE;
+#else
+        disasm_info.endian = BFD_ENDIAN_BIG;
+#endif
+    }
 #elif defined(TARGET_SPARC)
     print_insn = print_insn_sparc;
 #ifdef TARGET_SPARC64
@@ -220,6 +245,9 @@ void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
 #elif defined(TARGET_MICROBLAZE)
     disasm_info.mach = bfd_arch_microblaze;
     print_insn = print_insn_microblaze;
+#elif defined(TARGET_LM32)
+    disasm_info.mach = bfd_mach_lm32;
+    print_insn = print_insn_lm32;
 #else
     fprintf(out, "0x" TARGET_FMT_lx
            ": Asm output not supported on this arch\n", code);
@@ -257,15 +285,16 @@ void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
 /* Disassemble this for me please... (debugging). */
 void disas(FILE *out, void *code, unsigned long size)
 {
-    unsigned long pc;
+    uintptr_t pc;
     int count;
     struct disassemble_info disasm_info;
     int (*print_insn)(bfd_vma pc, disassemble_info *info);
 
     INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);
+    disasm_info.print_address_func = generic_print_host_address;
 
     disasm_info.buffer = code;
-    disasm_info.buffer_vma = (unsigned long)code;
+    disasm_info.buffer_vma = (uintptr_t)code;
     disasm_info.buffer_length = size;
 
 #ifdef HOST_WORDS_BIGENDIAN
@@ -309,8 +338,8 @@ void disas(FILE *out, void *code, unsigned long size)
            (long) code);
     return;
 #endif
-    for (pc = (unsigned long)code; size > 0; pc += count, size -= count) {
-       fprintf(out, "0x%08lx:  ", pc);
+    for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) {
+        fprintf(out, "0x%08" PRIxPTR ":  ", pc);
        count = print_insn(pc, &disasm_info);
        fprintf(out, "\n");
        if (count < 0)
@@ -375,6 +404,7 @@ void monitor_disas(Monitor *mon, CPUArchState *env,
     monitor_disas_env = env;
     monitor_disas_is_physical = is_physical;
     disasm_info.read_memory_func = monitor_read_memory;
+    disasm_info.print_address_func = generic_print_target_address;
 
     disasm_info.buffer_vma = pc;
 
@@ -421,6 +451,9 @@ void monitor_disas(Monitor *mon, CPUArchState *env,
 #elif defined(TARGET_S390X)
     disasm_info.mach = bfd_mach_s390_64;
     print_insn = print_insn_s390;
+#elif defined(TARGET_LM32)
+    disasm_info.mach = bfd_mach_lm32;
+    print_insn = print_insn_lm32;
 #else
     monitor_printf(mon, "0x" TARGET_FMT_lx
                    ": Asm output not supported on this arch\n", pc);