Add checks

1 files changed, 58 insertions, 2 deletions

diff --git a/bxgen.c b/bxgen.c
index 7285905..e4bc937 100755
--- a/bxgen.c
+++ b/bxgen.c
@@ -1278,6 +1278,32 @@ enum {
   BIND_LOCAL = 0,
   BIND_GLOBAL,
   BIND_WEAK,
+
+  //  Relocation types
+  //
+
+  R_X86_64_NONE          = 0,
+  R_X86_64_64,
+  R_X86_64_PC32,
+  R_X86_64_GOT32,
+  R_X86_64_PLT32,
+  R_X86_64_COPY,
+  R_X86_64_GLOB_DAT,
+  R_X86_64_JUMP_SLOT,
+  R_X86_64_RELATIVE,
+  R_X86_64_GOTPCREL,
+  R_X86_64_32,
+  R_X86_64_32S,
+  R_X86_64_16,
+  R_X86_64_PC16,
+  R_X86_64_8,
+  R_X86_64_PC8,
+  R_X86_64_PC64          = 24,
+  R_X86_64_GOTOFF64,
+  R_X86_64_GOTPC32,
+  R_X86_64_SIZE32        = 32,
+  R_X86_64_SIZE64        = 33,
+  R_X86_64_REX_GOTPCRELX = 42,
 };
 
 c8 ELF_MAGIC[4]      = "\x7f" "ELF";
@@ -2022,9 +2048,39 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data
             for (u32 rela_index = 0; rela_index < section.num_entries; ++rela_index) {
               Rela_Entry rela = elf_rela(buf, symbols, symbol_names, section.data, dst, rela_index);
 
+              printf("    ");
+
+              switch (rela.type_) {
+                case R_X86_64_NONE:          printf("none         "); break;
+                case R_X86_64_64:            printf("64           "); break;
+                case R_X86_64_PC32:          printf("pc32         "); break;
+                case R_X86_64_GOT32:         printf("got32        "); break;
+                case R_X86_64_PLT32:         printf("plt32        "); break;
+                case R_X86_64_COPY:          printf("copy         "); break;
+                case R_X86_64_GLOB_DAT:      printf("glob dat     "); break;
+                case R_X86_64_JUMP_SLOT:     printf("dump slot    "); break;
+                case R_X86_64_RELATIVE:      printf("relative     "); break;
+                case R_X86_64_GOTPCREL:      printf("gotpcrel     "); break;
+                case R_X86_64_32:            printf("32           "); break;
+                case R_X86_64_32S:           printf("32s          "); break;
+                case R_X86_64_16:            printf("16           "); break;
+                case R_X86_64_PC16:          printf("pc16         "); break;
+                case R_X86_64_8:             printf("8            "); break;
+                case R_X86_64_PC8:           printf("pc8          "); break;
+                case R_X86_64_PC64:          printf("pc64         "); break;
+                case R_X86_64_GOTOFF64:      printf("gotoff64     "); break;
+                case R_X86_64_GOTPC32:       printf("gotpc32      "); break;
+                case R_X86_64_SIZE32:        printf("size32       "); break;
+                case R_X86_64_SIZE64:        printf("size64       "); break;
+                case R_X86_64_REX_GOTPCRELX: printf("rex gotpcrelx"); break;
+                default:
+                  BX_LOG(TRACE, "relocation type: %d", rela.type_);
+                  BX_FAIL("Unsupported relocation type",);
+                  break;
+              }
+
               printf(
-                "    %-4d %08llx %-+5lld <=  ",
-                rela.type_,
+                " %08llx %-+5lld <=  ",
                 rela.dst,
                 rela.addent
               );