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-rw-r--r--dyngen.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/dyngen.c b/dyngen.c
index d05c623d7..2b70ded3a 100644
--- a/dyngen.c
+++ b/dyngen.c
@@ -1963,6 +1963,14 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
break;
case R_PPC_REL24:
/* warning: must be at 32 MB distancy */
+ fprintf(outfile, "{\n"
+ " long disp = (%s - (long)(gen_code_ptr + %d) + %d);\n"
+ " if ((disp << 6) >> 6 != disp) {;\n"
+ " fprintf(stderr, \"Branch target is too far away\\n\");"
+ " abort();\n"
+ " }\n"
+ "}\n",
+ relname, reloc_offset, addend);
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | ((%s - (long)(gen_code_ptr + %d) + %d) & 0x03fffffc);\n",
reloc_offset, reloc_offset, relname, reloc_offset, addend);
break;