Remove capstone, use libopcodes

2025-07-23 05:23:59 +00:00 · 2024-09-08 21:39:04 +06:00
parent 3d6a3c61a6
commit fac30517f0
3833 changed files with 6264 additions and 2629629 deletions
--- a/thirdparty/disasm/disasm.c
+++ b/thirdparty/disasm/disasm.c
@@ -0,0 +1,106 @@
+#include "dis-asm.h"
+
+/* Get LENGTH bytes from info's buffer, at target address memaddr.
+   Transfer them to myaddr.  */
+int
+buffer_read_memory(bfd_vma memaddr, bfd_byte* myaddr, int length,
+    struct disassemble_info* info)
+{
+    if (memaddr < info->buffer_vma
+        || memaddr + length > info->buffer_vma + info->buffer_length)
+        /* Out of bounds.  Use EIO because GDB uses it.  */
+        return EIO;
+    memcpy(myaddr, info->buffer + (memaddr - info->buffer_vma), length);
+    return 0;
+}
+
+/* Print an error message.  We can assume that this is in response to
+   an error return from buffer_read_memory.  */
+void
+perror_memory(int status, bfd_vma memaddr, struct disassemble_info* info)
+{
+    if (status != EIO)
+        /* Can't happen.  */
+        (*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
+    else
+        /* Actually, address between memaddr and memaddr + len was
+           out of bounds.  */
+        (*info->fprintf_func) (info->stream,
+            "Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
+}
+
+/* This could be in a separate file, to save miniscule amounts of space
+   in statically linked executables.  */
+
+   /* Just print the address is hex.  This is included for completeness even
+      though both GDB and objdump provide their own (to print symbolic
+      addresses).  */
+
+void
+generic_print_address(bfd_vma addr, struct disassemble_info* info)
+{
+    (*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
+}
+
+/* Just return the given address.  */
+
+int
+generic_symbol_at_address(bfd_vma addr, struct disassemble_info* info)
+{
+    return 1;
+}
+
+bfd_vma bfd_getl64(const bfd_byte* addr)
+{
+    unsigned long long v;
+
+    v = (unsigned long long) addr[0];
+    v |= (unsigned long long) addr[1] << 8;
+    v |= (unsigned long long) addr[2] << 16;
+    v |= (unsigned long long) addr[3] << 24;
+    v |= (unsigned long long) addr[4] << 32;
+    v |= (unsigned long long) addr[5] << 40;
+    v |= (unsigned long long) addr[6] << 48;
+    v |= (unsigned long long) addr[7] << 56;
+    return (bfd_vma)v;
+}
+
+bfd_vma bfd_getl32(const bfd_byte* addr)
+{
+    unsigned long v;
+
+    v = (unsigned long)addr[0];
+    v |= (unsigned long)addr[1] << 8;
+    v |= (unsigned long)addr[2] << 16;
+    v |= (unsigned long)addr[3] << 24;
+    return (bfd_vma)v;
+}
+
+bfd_vma bfd_getb32(const bfd_byte* addr)
+{
+    unsigned long v;
+
+    v = (unsigned long)addr[0] << 24;
+    v |= (unsigned long)addr[1] << 16;
+    v |= (unsigned long)addr[2] << 8;
+    v |= (unsigned long)addr[3];
+    return (bfd_vma)v;
+}
+
+bfd_vma bfd_getl16(const bfd_byte* addr)
+{
+    unsigned long v;
+
+    v = (unsigned long)addr[0];
+    v |= (unsigned long)addr[1] << 8;
+    return (bfd_vma)v;
+}
+
+bfd_vma bfd_getb16(const bfd_byte* addr)
+{
+    unsigned long v;
+
+    v = (unsigned long)addr[0] << 24;
+    v |= (unsigned long)addr[1] << 16;
+    return (bfd_vma)v;
+}