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[release/7.0] Fixed clang15 build issues #78146

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merged 2 commits into from
Nov 11, 2022
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[release/7.0] Fixed clang15 build issues #78146

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3232701
[ppc64le] Implementation of mono_arch_get_delegate_virtual_invoke_imp…
alhad-deshpande Oct 21, 2022
55c2b06
Fixed clang15 build issues and returning address of sc_sp instead of …
alhad-deshpande Nov 9, 2022
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50 changes: 47 additions & 3 deletions src/mono/mono/mini/mini-ppc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -470,10 +470,54 @@ mono_arch_get_delegate_invoke_impl (MonoMethodSignature *sig, gboolean has_targe
return start;
}

/**
*
* @brief Architecture-specific delegation virtual trampoline processing
*
* @param[in] @sig - Method signature
* @param[in] @method - Method
* @param[in] @offset - Offset into vtable
* @param[in] @load_imt_reg - Whether to load the LMT register
* @returns Trampoline
*
* Return a pointer to a delegation virtual trampoline
*/

gpointer
mono_arch_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method, int offset, gboolean load_imt_reg)
{
return NULL;
guint8 *code, *start;
int size = 32;

start = code = (guint8 *) mono_global_codeman_reserve (size);

/*
* Replace the "this" argument with the target
*/
ppc_mr (code, ppc_r12, ppc_r3);
ppc_ldptr (code, ppc_r3, MONO_STRUCT_OFFSET(MonoDelegate, target), ppc_r12);

/*
* Load the IMT register, if needed
*/
if (load_imt_reg) {
ppc_ldptr (code, MONO_ARCH_IMT_REG, MONO_STRUCT_OFFSET(MonoDelegate, method), ppc_r12);
}

/*
* Load the vTable
*/
ppc_ldptr (code, ppc_r12, MONO_STRUCT_OFFSET(MonoObject, vtable), ppc_r3);
if (!ppc_is_imm16(offset))
ppc_addis (code, ppc_r12, ppc_r12, ppc_ha(offset));
ppc_ldptr (code, ppc_r12, offset, ppc_r12);
ppc_mtctr (code, ppc_r12);
ppc_bcctr (code, PPC_BR_ALWAYS, 0);

mono_arch_flush_icache (start, code - start);
MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_DELEGATE_INVOKE, NULL));

return(start);
}

gpointer
Expand Down Expand Up @@ -2733,7 +2777,7 @@ handle_thunk (MonoCompile *cfg, guchar *code, const guchar *target)
cfg->arch.thunks = cfg->thunks;
cfg->arch.thunks_size = cfg->thunk_area;
#ifdef THUNK_ADDR_ALIGNMENT
cfg->arch.thunks = ALIGN_TO(cfg->arch.thunks, THUNK_ADDR_ALIGNMENT);
cfg->arch.thunks = (guint8 *)ALIGN_TO(cfg->arch.thunks, THUNK_ADDR_ALIGNMENT);
#endif
}
thunks = cfg->arch.thunks;
Expand Down Expand Up @@ -5886,7 +5930,7 @@ host_mgreg_t*
mono_arch_context_get_int_reg_address (MonoContext *ctx, int reg)
{
if (reg == ppc_r1)
return (host_mgreg_t)(gsize)MONO_CONTEXT_GET_SP (ctx);
return (host_mgreg_t *)(gsize)&ctx->sc_sp;

return &ctx->regs [reg];
}
Expand Down
4 changes: 2 additions & 2 deletions src/mono/mono/mini/tramp-ppc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -672,10 +672,10 @@ mono_arch_get_call_target (guint8 *code)
}
#if defined(TARGET_POWERPC64) && !defined(PPC_USES_FUNCTION_DESCRIPTOR)
else if (((guint32*)(code - 32)) [0] >> 26 == 15) {
guint8 *thunk = GET_MEMORY_SLOT_THUNK_ADDRESS((guint32*)(code - 32));
guint8 *thunk = (guint8 *)GET_MEMORY_SLOT_THUNK_ADDRESS((guint32*)(code - 32));
return thunk;
} else if (((guint32*)(code - 4)) [0] >> 26 == 15) {
guint8 *thunk = GET_MEMORY_SLOT_THUNK_ADDRESS((guint32*)(code - 4));
guint8 *thunk = (guint8 *)GET_MEMORY_SLOT_THUNK_ADDRESS((guint32*)(code - 4));
return thunk;
}
#endif
Expand Down