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Diffstat (limited to 'libguile/objcodes.c')
-rw-r--r--libguile/objcodes.c54
1 files changed, 41 insertions, 13 deletions
diff --git a/libguile/objcodes.c b/libguile/objcodes.c
index 4daba55ab..734bddeb3 100644
--- a/libguile/objcodes.c
+++ b/libguile/objcodes.c
@@ -94,7 +94,8 @@ static void register_elf (char *data, size_t len);
enum bytecode_kind
{
BYTECODE_KIND_NONE,
- BYTECODE_KIND_GUILE_2_0
+ BYTECODE_KIND_GUILE_2_0,
+ BYTECODE_KIND_GUILE_2_2
};
static SCM
@@ -110,6 +111,10 @@ pointer_to_procedure (enum bytecode_kind bytecode_kind, char *ptr)
objcode = scm_double_cell (tag, (scm_t_bits) ptr, SCM_BOOL_F_BITS, 0);
return scm_make_program (objcode, SCM_BOOL_F, SCM_UNDEFINED);
}
+ case BYTECODE_KIND_GUILE_2_2:
+ {
+ return scm_i_make_rtl_program ((scm_t_uint32 *) ptr);
+ }
case BYTECODE_KIND_NONE:
default:
abort ();
@@ -302,29 +307,52 @@ process_dynamic_segment (char *base, Elf_Phdr *dyn_phdr,
{
scm_t_uint16 major = dyn[i].d_un.d_val >> 16;
scm_t_uint16 minor = dyn[i].d_un.d_val & 0xffff;
- if (major != 0x0200)
- return "incompatible bytecode kind";
- if (minor > SCM_OBJCODE_MINOR_VERSION)
- return "incompatible bytecode version";
- bytecode_kind = BYTECODE_KIND_GUILE_2_0;
+ switch (major)
+ {
+ case 0x0200:
+ bytecode_kind = BYTECODE_KIND_GUILE_2_0;
+ if (minor > SCM_OBJCODE_MINOR_VERSION)
+ return "incompatible bytecode version";
+ break;
+ case 0x0202:
+ bytecode_kind = BYTECODE_KIND_GUILE_2_2;
+ if (minor)
+ return "incompatible bytecode version";
+ break;
+ default:
+ return "incompatible bytecode kind";
+ }
break;
}
}
}
- if (bytecode_kind != BYTECODE_KIND_GUILE_2_0)
- return "missing DT_GUILE_RTL_VERSION";
- if (init)
- return "unexpected DT_INIT";
- if ((scm_t_uintptr) entry % 8)
- return "unaligned DT_GUILE_ENTRY";
if (!entry)
return "missing DT_GUILE_ENTRY";
+ switch (bytecode_kind)
+ {
+ case BYTECODE_KIND_GUILE_2_0:
+ if (init)
+ return "unexpected DT_INIT";
+ if ((scm_t_uintptr) entry % 8)
+ return "unaligned DT_GUILE_ENTRY";
+ break;
+ case BYTECODE_KIND_GUILE_2_2:
+ if ((scm_t_uintptr) init % 4)
+ return "unaligned DT_INIT";
+ if ((scm_t_uintptr) entry % 4)
+ return "unaligned DT_GUILE_ENTRY";
+ break;
+ case BYTECODE_KIND_NONE:
+ default:
+ return "missing DT_GUILE_RTL_VERSION";
+ }
+
if (gc_root)
GC_add_roots (gc_root, gc_root + gc_root_size);
- *init_out = SCM_BOOL_F;
+ *init_out = init ? pointer_to_procedure (bytecode_kind, init) : SCM_BOOL_F;
*entry_out = pointer_to_procedure (bytecode_kind, entry);
return NULL;
}