-/*
- * tramp-ppc.c: JIT trampoline code for PowerPC
+/**
+ * \file
+ * JIT trampoline code for PowerPC
*
* Authors:
* Dietmar Maurer (dietmar@ximian.com)
/*g_print ("unbox trampoline at %d for %s:%s\n", this_pos, m->klass->name, m->name);
g_print ("unbox code is at %p for method at %p\n", start, addr);*/
+ mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, NULL), domain);
+
return start;
}
/*
* mono_arch_get_static_rgctx_trampoline:
*
- * Create a trampoline which sets RGCTX_REG to MRGCTX, then jumps to ADDR.
+ * Create a trampoline which sets RGCTX_REG to ARG, then jumps to ADDR.
*/
gpointer
-mono_arch_get_static_rgctx_trampoline (MonoMethod *m, MonoMethodRuntimeGenericContext *mrgctx, gpointer addr)
+mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
guint8 *code, *start, *p;
guint8 imm_buf [128];
addr = mono_get_addr_from_ftnptr (addr);
- /* Compute size of code needed to emit mrgctx */
+ /* Compute size of code needed to emit the arg */
p = imm_buf;
- ppc_load_ptr (p, MONO_ARCH_RGCTX_REG, mrgctx);
+ ppc_load_ptr (p, MONO_ARCH_RGCTX_REG, arg);
imm_size = p - imm_buf;
mono_domain_lock (domain);
mono_domain_unlock (domain);
if (short_branch) {
- ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, mrgctx);
+ ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, arg);
ppc_emit32 (code, short_branch);
} else {
ppc_load_ptr (code, ppc_r0, addr);
ppc_mtctr (code, ppc_r0);
- ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, mrgctx);
+ ppc_load_ptr (code, MONO_ARCH_RGCTX_REG, arg);
ppc_bcctr (code, 20, 0);
}
mono_arch_flush_icache (start, code - start);
g_assert ((code - start) <= size);
+ mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, NULL), domain);
+
return start;
}
*(guint8**)((guint8*)got + offset) = addr;
}
-void
-mono_arch_nullify_class_init_trampoline (guint8 *code, mgreg_t *regs)
-{
- mono_arch_patch_callsite (NULL, code, mini_get_nullified_class_init_trampoline ());
-}
-
/* Stack size for trampoline function
* PPC_MINIMAL_STACK_SIZE + 16 (args + alignment to ppc_magic_trampoline)
* + MonoLMF + 14 fp regs + 13 gregs + alignment
if (aot) {
code = mono_arch_emit_load_aotconst (buf, code, &ji, MONO_PATCH_INFO_JIT_ICALL_ADDR, "mono_get_lmf_addr");
#ifdef PPC_USES_FUNCTION_DESCRIPTOR
- ppc_ldptr (code, ppc_r2, sizeof (gpointer), ppc_r11);
- ppc_ldptr (code, ppc_r11, 0, ppc_r11);
+ ppc_ldptr (code, ppc_r2, sizeof (gpointer), ppc_r12);
+ ppc_ldptr (code, ppc_r12, 0, ppc_r12);
#endif
- ppc_mtlr (code, ppc_r11);
+ ppc_mtlr (code, ppc_r12);
ppc_blrl (code);
} else {
- ppc_load_func (code, ppc_r0, mono_get_lmf_addr);
- ppc_mtlr (code, ppc_r0);
+ ppc_load_func (code, PPC_CALL_REG, mono_get_lmf_addr);
+ ppc_mtlr (code, PPC_CALL_REG);
ppc_blrl (code);
}
/* we build the MonoLMF structure on the stack - see mini-ppc.h
- * The pointer to the struct is put in ppc_r11.
+ * The pointer to the struct is put in ppc_r12.
*/
- ppc_addi (code, ppc_r11, ppc_sp, STACK - sizeof (MonoLMF));
- ppc_stptr (code, ppc_r3, G_STRUCT_OFFSET(MonoLMF, lmf_addr), ppc_r11);
+ ppc_addi (code, ppc_r12, ppc_sp, STACK - sizeof (MonoLMF));
+ ppc_stptr (code, ppc_r3, G_STRUCT_OFFSET(MonoLMF, lmf_addr), ppc_r12);
/* new_lmf->previous_lmf = *lmf_addr */
ppc_ldptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r3);
- ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r11);
- /* *(lmf_addr) = r11 */
- ppc_stptr (code, ppc_r11, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r3);
+ ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r12);
+ /* *(lmf_addr) = r12 */
+ ppc_stptr (code, ppc_r12, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r3);
/* save method info (it's stored on the stack, so get it first). */
if ((tramp_type == MONO_TRAMPOLINE_JIT) || (tramp_type == MONO_TRAMPOLINE_JUMP)) {
ppc_ldr (code, ppc_r0, GREGS_OFFSET, ppc_r1);
- ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, method), ppc_r11);
+ ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, method), ppc_r12);
} else {
ppc_load (code, ppc_r0, 0);
- ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, method), ppc_r11);
+ ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, method), ppc_r12);
}
/* store the frame pointer of the calling method */
ppc_addi (code, ppc_r0, ppc_sp, STACK);
- ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, ebp), ppc_r11);
+ ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, ebp), ppc_r12);
/* save the IP (caller ip) */
if (tramp_type == MONO_TRAMPOLINE_JUMP) {
ppc_li (code, ppc_r0, 0);
} else {
ppc_ldr (code, ppc_r0, STACK + PPC_RET_ADDR_OFFSET, ppc_r1);
}
- ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, eip), ppc_r11);
+ ppc_stptr (code, ppc_r0, G_STRUCT_OFFSET(MonoLMF, eip), ppc_r12);
/*
* Now we're ready to call trampoline (mgreg_t *regs, guint8 *code, gpointer value, guint8 *tramp)
ppc_ldr (code, ppc_r4, STACK + PPC_RET_ADDR_OFFSET, ppc_r1);
/* Arg 3: trampoline argument */
- if (tramp_type == MONO_TRAMPOLINE_GENERIC_CLASS_INIT)
- ppc_ldr (code, ppc_r5, GREGS_OFFSET + MONO_ARCH_VTABLE_REG * sizeof (mgreg_t), ppc_r1);
- else
- ppc_ldr (code, ppc_r5, GREGS_OFFSET, ppc_r1);
+ ppc_ldr (code, ppc_r5, GREGS_OFFSET, ppc_r1);
if (aot) {
code = mono_arch_emit_load_aotconst (buf, code, &ji, MONO_PATCH_INFO_JIT_ICALL_ADDR, g_strdup_printf ("trampoline_func_%d", tramp_type));
#ifdef PPC_USES_FUNCTION_DESCRIPTOR
- ppc_ldptr (code, ppc_r2, sizeof (gpointer), ppc_r11);
- ppc_ldptr (code, ppc_r11, 0, ppc_r11);
+ ppc_ldptr (code, ppc_r2, sizeof (gpointer), ppc_r12);
+ ppc_ldptr (code, ppc_r12, 0, ppc_r12);
#endif
- ppc_mtlr (code, ppc_r11);
+ ppc_mtlr (code, ppc_r12);
ppc_blrl (code);
} else {
tramp_handler = mono_get_trampoline_func (tramp_type);
- ppc_load_func (code, ppc_r0, tramp_handler);
- ppc_mtlr (code, ppc_r0);
+ ppc_load_func (code, PPC_CALL_REG, tramp_handler);
+ ppc_mtlr (code, PPC_CALL_REG);
ppc_blrl (code);
}
* Now we restore the MonoLMF (see emit_epilogue in mini-ppc.c)
* and the rest of the registers, so the method called will see
* the same state as before we executed.
- * The pointer to MonoLMF is in ppc_r11.
+ * The pointer to MonoLMF is in ppc_r12.
*/
- ppc_addi (code, ppc_r11, ppc_r1, STACK - sizeof (MonoLMF));
+ ppc_addi (code, ppc_r12, ppc_r1, STACK - sizeof (MonoLMF));
/* r5 = previous_lmf */
- ppc_ldptr (code, ppc_r5, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r11);
+ ppc_ldptr (code, ppc_r5, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r12);
/* r6 = lmf_addr */
- ppc_ldptr (code, ppc_r6, G_STRUCT_OFFSET(MonoLMF, lmf_addr), ppc_r11);
+ ppc_ldptr (code, ppc_r6, G_STRUCT_OFFSET(MonoLMF, lmf_addr), ppc_r12);
/* *(lmf_addr) = previous_lmf */
ppc_stptr (code, ppc_r5, G_STRUCT_OFFSET(MonoLMF, previous_lmf), ppc_r6);
/* restore iregs */
- ppc_ldr_multiple (code, ppc_r13, G_STRUCT_OFFSET(MonoLMF, iregs), ppc_r11);
+ ppc_ldr_multiple (code, ppc_r13, G_STRUCT_OFFSET(MonoLMF, iregs), ppc_r12);
/* restore fregs */
for (i = 14; i < 32; i++)
- ppc_lfd (code, i, G_STRUCT_OFFSET(MonoLMF, fregs) + ((i-14) * sizeof (gdouble)), ppc_r11);
+ ppc_lfd (code, i, G_STRUCT_OFFSET(MonoLMF, fregs) + ((i-14) * sizeof (gdouble)), ppc_r12);
/* restore the volatile registers, we skip r1, of course */
offset = STACK - sizeof (MonoLMF) - (14 * sizeof (double));
*/
/* Restore stack pointer and LR and jump to the code */
ppc_ldr (code, ppc_r1, 0, ppc_r1);
- ppc_ldr (code, ppc_r11, PPC_RET_ADDR_OFFSET, ppc_r1);
- ppc_mtlr (code, ppc_r11);
+ ppc_ldr (code, ppc_r12, PPC_RET_ADDR_OFFSET, ppc_r1);
+ ppc_mtlr (code, ppc_r12);
if (MONO_TRAMPOLINE_TYPE_MUST_RETURN (tramp_type))
ppc_blr (code);
else
/* Sanity check */
g_assert ((code - buf) <= size);
- if (info) {
- tramp_name = mono_get_generic_trampoline_name (tramp_type);
- *info = mono_tramp_info_create (tramp_name, buf, code - buf, ji, unwind_ops);
- g_free (tramp_name);
- }
+ g_assert (info);
+ tramp_name = mono_get_generic_trampoline_name (tramp_type);
+ *info = mono_tramp_info_create (tramp_name, buf, code - buf, ji, unwind_ops);
+ g_free (tramp_name);
return buf;
}
gpointer
mono_arch_create_rgctx_lazy_fetch_trampoline (guint32 slot, MonoTrampInfo **info, gboolean aot)
{
-#ifdef MONO_ARCH_VTABLE_REG
guint8 *tramp;
guint8 *code, *buf;
guint8 **rgctx_null_jumps;
code = mono_arch_emit_load_aotconst (buf, code, &ji, MONO_PATCH_INFO_JIT_ICALL_ADDR, g_strdup_printf ("specific_trampoline_lazy_fetch_%u", slot));
/* Branch to the trampoline */
#ifdef PPC_USES_FUNCTION_DESCRIPTOR
- ppc_ldptr (code, ppc_r11, 0, ppc_r11);
+ ppc_ldptr (code, ppc_r12, 0, ppc_r12);
#endif
- ppc_mtctr (code, ppc_r11);
+ ppc_mtctr (code, ppc_r12);
ppc_bcctr (code, PPC_BR_ALWAYS, 0);
} else {
tramp = mono_arch_create_specific_trampoline (GUINT_TO_POINTER (slot),
g_assert (code - buf <= tramp_size);
- if (info) {
- char *name = mono_get_rgctx_fetch_trampoline_name (slot);
- *info = mono_tramp_info_create (name, buf, code - buf, ji, unwind_ops);
- g_free (name);
- }
-
- return buf;
-#else
- g_assert_not_reached ();
-#endif
-}
-
-gpointer
-mono_arch_create_generic_class_init_trampoline (MonoTrampInfo **info, gboolean aot)
-{
- guint8 *tramp;
- guint8 *code, *buf;
- static int byte_offset = -1;
- static guint8 bitmask;
- guint8 *jump;
- int tramp_size;
- GSList *unwind_ops = NULL;
- MonoJumpInfo *ji = NULL;
-
- tramp_size = MONO_PPC_32_64_CASE (32, 44);
- if (aot)
- tramp_size += 32;
-
- code = buf = mono_global_codeman_reserve (tramp_size);
-
- if (byte_offset < 0)
- mono_marshal_find_bitfield_offset (MonoVTable, initialized, &byte_offset, &bitmask);
-
- ppc_lbz (code, ppc_r4, byte_offset, MONO_ARCH_VTABLE_REG);
- ppc_andid (code, ppc_r4, ppc_r4, bitmask);
- jump = code;
- ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
-
- ppc_blr (code);
-
- ppc_patch (jump, code);
-
- if (aot) {
- code = mono_arch_emit_load_aotconst (buf, code, &ji, MONO_PATCH_INFO_JIT_ICALL_ADDR, "specific_trampoline_generic_class_init");
- /* Branch to the trampoline */
-#ifdef PPC_USES_FUNCTION_DESCRIPTOR
- ppc_ldptr (code, ppc_r11, 0, ppc_r11);
-#endif
- ppc_mtctr (code, ppc_r11);
- ppc_bcctr (code, PPC_BR_ALWAYS, 0);
- } else {
- tramp = mono_arch_create_specific_trampoline (NULL, MONO_TRAMPOLINE_GENERIC_CLASS_INIT,
- mono_get_root_domain (), NULL);
-
- /* jump to the actual trampoline */
- code = emit_trampoline_jump (code, tramp);
- }
-
- mono_arch_flush_icache (buf, code - buf);
-
- g_assert (code - buf <= tramp_size);
-
- if (info)
- *info = mono_tramp_info_create ("generic_class_init_trampoline", buf, code - buf, ji, unwind_ops);
-
- return buf;
-}
-
-gpointer
-mono_arch_get_nullified_class_init_trampoline (MonoTrampInfo **info)
-{
- guint8 *code, *buf;
- guint32 tramp_size = 64;
-
- code = buf = mono_global_codeman_reserve (tramp_size);
- ppc_blr (code);
-
- mono_arch_flush_icache (buf, code - buf);
-
- g_assert (code - buf <= tramp_size);
-
- if (info)
- *info = mono_tramp_info_create ("nullified_class_init_trampoline", buf, code - buf, NULL, NULL);
+ char *name = mono_get_rgctx_fetch_trampoline_name (slot);
+ *info = mono_tramp_info_create (name, buf, code - buf, ji, unwind_ops);
+ g_free (name);
return buf;
}
return ((guint32*)plt_entry) [6];
#endif
}
+
+gpointer
+mono_arch_get_enter_icall_trampoline (MonoTrampInfo **info)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
projects / mono.git / blobdiff