allow up to 256 MB of ram

[qemu] / dyngen.c

diff --git a/dyngen.c b/dyngen.c
index be790d7..c6c373b 100644 (file)
--- a/dyngen.c
+++ b/dyngen.c
@@ -108,6 +108,7 @@ typedef uint64_t host_ulong;
 #define SHT_RELOC SHT_REL
 #endif
 
+#define NO_THUNK_TYPE_SIZE
 #include "thunk.h"
 
 enum {
@@ -654,7 +655,6 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
                 sym_name = strtab + sym->st_name;
                 if (strstart(sym_name, "__op_label", &p)) {
                     uint8_t *ptr;
-                    int addend;
                     unsigned long offset;
                     
                     /* test if the variable refers to a label inside
@@ -663,7 +663,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
                     if (!ptr)
                         error("__op_labelN in invalid section");
                     offset = sym->st_value;
-                    addend = 0;
+                    val = *(target_ulong *)(ptr + offset);
 #ifdef ELF_USES_RELOCA
                     {
                         int reloc_shndx, nb_relocs1, j;
@@ -676,7 +676,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
                             rel = (ELF_RELOC *)sdata[reloc_shndx];
                             for(j = 0; j < nb_relocs1; j++) {
                                 if (rel->r_offset == offset) {
-                                    addend = rel->r_addend;
+                                   val = rel->r_addend;
                                     break;
                                 }
                                rel++;
@@ -684,8 +684,6 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
                         }
                     }
 #endif                    
-                    val = *(target_ulong *)(ptr + offset);
-                    val += addend;
 
                     if (val >= start_offset && val < start_offset + copy_size) {
                         n = strtol(p, NULL, 10);
@@ -1203,6 +1201,10 @@ int load_elf(const char *filename, FILE *outfile, int out_type)
 
     if (out_type == OUT_INDEX_OP) {
         fprintf(outfile, "DEF(end, 0, 0)\n");
+        fprintf(outfile, "DEF(nop, 0, 0)\n");
+        fprintf(outfile, "DEF(nop1, 1, 0)\n");
+        fprintf(outfile, "DEF(nop2, 2, 0)\n");
+        fprintf(outfile, "DEF(nop3, 3, 0)\n");
         for(i = 0, sym = symtab; i < nb_syms; i++, sym++) {
             const char *name, *p;
             name = strtab + sym->st_name;
@@ -1272,6 +1274,17 @@ fprintf(outfile,
         }
 
 fprintf(outfile,
+"        case INDEX_op_nop:\n"
+"            break;\n"
+"        case INDEX_op_nop1:\n"
+"            opparam_ptr++;\n"
+"            break;\n"
+"        case INDEX_op_nop2:\n"
+"            opparam_ptr += 2;\n"
+"            break;\n"
+"        case INDEX_op_nop3:\n"
+"            opparam_ptr += 3;\n"
+"            break;\n"
 "        default:\n"
 "            goto the_end;\n"
 "        }\n");