summaryrefslogtreecommitdiff
path: root/src/comp.c
diff options
context:
space:
mode:
authorPip Cet <pipcet@gmail.com>2021-03-14 12:13:40 +0000
committerPip Cet <pipcet@gmail.com>2021-03-14 15:47:18 +0000
commit472cd53d935a8dea3f15161287d27ee272345300 (patch)
treef172c3e7ce8bd6894da1539a38aea23c02e7428c /src/comp.c
parentf142f5ba46abed95c99e5dd55fb6f3a1af544148 (diff)
downloademacs-472cd53d935a8dea3f15161287d27ee272345300.tar.gz
emacs-472cd53d935a8dea3f15161287d27ee272345300.tar.bz2
emacs-472cd53d935a8dea3f15161287d27ee272345300.zip
Don't call setjmp through a function pointer on Windows (bug#47067)
* src/comp.c (ABI_VERSION): Bump. (emit_setjmp): Call setjmp directly. (declare_runtime_imported_funcs): Remove setjmp. (helper_link_table): Remove entry for setjmp.
Diffstat (limited to 'src/comp.c')
-rw-r--r--src/comp.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/src/comp.c b/src/comp.c
index 970c8022678..a79ee4ad87b 100644
--- a/src/comp.c
+++ b/src/comp.c
@@ -429,7 +429,7 @@ load_gccjit_if_necessary (bool mandatory)
/* Increase this number to force a new Vcomp_abi_hash to be generated. */
-#define ABI_VERSION "3"
+#define ABI_VERSION "4"
/* Length of the hashes used for eln file naming. */
#define HASH_LENGTH 8
@@ -654,9 +654,6 @@ void *helper_link_table[] =
helper_PSEUDOVECTOR_TYPEP_XUNTAG,
pure_write_error,
push_handler,
-#ifdef WINDOWSNT
- SETJMP_NAME,
-#endif
record_unwind_protect_excursion,
helper_unbind_n,
helper_save_restriction,
@@ -1972,6 +1969,11 @@ emit_setjmp (gcc_jit_rvalue *buf)
return gcc_jit_context_new_call (comp.ctxt, NULL, f, 1, args);
#else
/* _setjmp (buf, __builtin_frame_address (0)) */
+ gcc_jit_param *params[] =
+ {
+ gcc_jit_context_new_param (comp.ctxt, NULL, comp.void_ptr_type, "buf"),
+ gcc_jit_context_new_param (comp.ctxt, NULL, comp.void_ptr_type, "frame"),
+ };
gcc_jit_rvalue *args[2];
args[0] =
@@ -1985,8 +1987,14 @@ emit_setjmp (gcc_jit_rvalue *buf)
"__builtin_frame_address"),
1, args);
args[0] = buf;
- return emit_call (intern_c_string (STR (SETJMP_NAME)), comp.int_type, 2, args,
- false);
+ gcc_jit_function *f =
+ gcc_jit_context_new_function (comp.ctxt, NULL,
+ GCC_JIT_FUNCTION_IMPORTED,
+ comp.int_type, STR (SETJMP_NAME),
+ ARRAYELTS (params), params,
+ false);
+
+ return gcc_jit_context_new_call (comp.ctxt, NULL, f, 2, args);
#endif
}
@@ -2701,12 +2709,6 @@ declare_runtime_imported_funcs (void)
args[1] = comp.int_type;
ADD_IMPORTED (push_handler, comp.handler_ptr_type, 2, args);
-#ifdef WINDOWSNT
- args[0] = gcc_jit_type_get_pointer (gcc_jit_struct_as_type (comp.jmp_buf_s));
- args[1] = comp.void_ptr_type;
- ADD_IMPORTED (SETJMP_NAME, comp.int_type, 2, args);
-#endif
-
ADD_IMPORTED (record_unwind_protect_excursion, comp.void_type, 0, NULL);
args[0] = comp.lisp_obj_type;