Move hp from sp_context_t to PluginContext.
This commit is contained in:
parent
b2c61a341a
commit
31ab1ced06
@ -73,51 +73,6 @@ JumpTarget(const sp_plugin_t *plugin, sp_context_t *ctx, cell_t *cip, bool cond,
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return next;
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}
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static inline bool
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CheckAddress(const sp_plugin_t *plugin, sp_context_t *ctx, cell_t *stk, cell_t addr)
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{
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if (uint32_t(addr) >= plugin->mem_size)
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return false;
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if (addr < ctx->hp)
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return true;
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if (reinterpret_cast<cell_t *>(plugin->memory + addr) < stk)
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return false;
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return true;
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}
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static inline int
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GenerateArray(PluginRuntime *rt, sp_context_t *ctx, cell_t dims, cell_t *stk, bool autozero)
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{
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if (dims == 1) {
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uint32_t size = *stk;
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if (size == 0 || !ke::IsUint32MultiplySafe(size, 4))
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return SP_ERROR_ARRAY_TOO_BIG;
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*stk = ctx->hp;
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uint32_t bytes = size * 4;
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ctx->hp += bytes;
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if (uintptr_t(ctx->plugin->memory + ctx->hp) >= uintptr_t(stk))
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return SP_ERROR_HEAPLOW;
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if (int err = rt->GetBaseContext()->pushTracker(bytes))
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return err;
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if (autozero)
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memset(ctx->plugin->memory + ctx->hp, 0, bytes);
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return SP_ERROR_NONE;
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}
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if (int err = GenerateFullArray(rt, dims, stk, autozero))
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return err;
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return SP_ERROR_NONE;
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}
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int
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Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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{
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@ -408,7 +363,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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}
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case OP_INC_I:
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if (!CheckAddress(plugin, ctx, stk, pri)) {
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if (!cx->checkAddress(stk, pri)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -438,7 +393,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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}
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case OP_DEC_I:
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if (!CheckAddress(plugin, ctx, stk, pri)) {
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if (!cx->checkAddress(stk, pri)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -545,7 +500,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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case OP_LIDX:
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pri = alt + pri * 4;
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if (!CheckAddress(plugin, ctx, stk, pri)) {
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if (!cx->checkAddress(stk, pri)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -556,7 +511,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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{
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cell_t val = *cip++;
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pri = alt + (pri << val);
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if (!CheckAddress(plugin, ctx, stk, pri)) {
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if (!cx->checkAddress(stk, pri)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -581,7 +536,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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}
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case OP_LOAD_I:
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if (!CheckAddress(plugin, ctx, stk, pri)) {
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if (!cx->checkAddress(stk, pri)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -589,7 +544,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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break;
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case OP_STOR_I:
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if (!CheckAddress(plugin, ctx, stk, alt)) {
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if (!cx->checkAddress(stk, alt)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -617,7 +572,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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case OP_LODB_I:
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{
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cell_t val = *cip++;
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if (!CheckAddress(plugin, ctx, stk, pri)) {
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if (!cx->checkAddress(stk, pri)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -632,7 +587,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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case OP_STRB_I:
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{
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cell_t val = *cip++;
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if (!CheckAddress(plugin, ctx, stk, alt)) {
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if (!cx->checkAddress(stk, alt)) {
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err = SP_ERROR_MEMACCESS;
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goto error;
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}
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@ -690,7 +645,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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goto error;
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}
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} else {
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if (uintptr_t(stk) < uintptr_t(plugin->memory + ctx->hp + STACK_MARGIN)) {
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if (uintptr_t(stk) < uintptr_t(plugin->memory + cx->hp() + STACK_MARGIN)) {
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err = SP_ERROR_STACKLOW;
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goto error;
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}
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@ -702,16 +657,16 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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{
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cell_t amount = *cip++;
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alt = ctx->hp;
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ctx->hp += amount;
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alt = cx->hp();
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*cx->addressOfHp() += amount;
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if (amount > 0) {
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if (uintptr_t(plugin->memory + ctx->hp) > uintptr_t(stk)) {
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if (uintptr_t(plugin->memory + cx->hp()) > uintptr_t(stk)) {
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err = SP_ERROR_HEAPLOW;
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goto error;
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}
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} else {
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if (uint32_t(ctx->hp) < plugin->data_size) {
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if (uint32_t(cx->hp()) < plugin->data_size) {
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err = SP_ERROR_HEAPMIN;
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goto error;
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}
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@ -826,7 +781,7 @@ Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval)
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case OP_GENARRAY_Z:
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{
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cell_t val = *cip++;
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if ((err = GenerateArray(rt, ctx, val, stk, op == OP_GENARRAY_Z)) != SP_ERROR_NONE)
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if ((err = cx->generateArray(val, stk, op == OP_GENARRAY_Z)) != SP_ERROR_NONE)
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goto error;
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stk += (val - 1) * 4;
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@ -24,7 +24,4 @@
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int Interpret(PluginRuntime *rt, uint32_t aCodeStart, cell_t *rval);
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int GenerateFullArray(PluginRuntime *rt, uint32_t argc, cell_t *argv, int autozero);
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cell_t BoundNativeCallback(sp_context_t *ctx, SPVM_NATIVE_FUNC pfn, cell_t *params);
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#endif // _include_sourcepawn_interpreter_h_
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@ -72,7 +72,6 @@ class PluginContext;
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typedef struct sp_context_s
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{
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cell_t hp; /**< Heap pointer */
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cell_t rval; /**< Return value from InvokeFunction() */
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sp_plugin_t *plugin;
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PluginContext *basecx;
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@ -51,7 +51,7 @@ PluginContext::PluginContext(PluginRuntime *pRuntime)
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m_pNullString = NULL;
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}
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m_ctx.hp = m_pRuntime->plugin()->data_size;
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hp_ = m_pRuntime->plugin()->data_size;
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sp_ = m_pRuntime->plugin()->mem_size - sizeof(cell_t);
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frm_ = sp_;
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rp_ = 0;
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@ -185,21 +185,21 @@ PluginContext::HeapAlloc(unsigned int cells, cell_t *local_addr, cell_t **phys_a
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/**
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* Check if the space between the heap and stack is sufficient.
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*/
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if ((cell_t)(sp_ - m_ctx.hp - realmem) < STACKMARGIN)
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if ((cell_t)(sp_ - hp_ - realmem) < STACKMARGIN)
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return SP_ERROR_HEAPLOW;
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addr = (cell_t *)(m_pRuntime->plugin()->memory + m_ctx.hp);
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addr = (cell_t *)(m_pRuntime->plugin()->memory + hp_);
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/* store size of allocation in cells */
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*addr = (cell_t)cells;
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addr++;
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m_ctx.hp += sizeof(cell_t);
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hp_ += sizeof(cell_t);
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*local_addr = m_ctx.hp;
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*local_addr = hp_;
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if (phys_addr)
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*phys_addr = addr;
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m_ctx.hp += realmem;
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hp_ += realmem;
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return SP_ERROR_NONE;
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}
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@ -218,10 +218,10 @@ PluginContext::HeapPop(cell_t local_addr)
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addr = (cell_t *)(m_pRuntime->plugin()->memory + local_addr);
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cellcount = (*addr) * sizeof(cell_t);
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/* check if this memory count looks valid */
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if ((signed)(m_ctx.hp - cellcount - sizeof(cell_t)) != local_addr)
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if ((signed)(hp_ - cellcount - sizeof(cell_t)) != local_addr)
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return SP_ERROR_INVALID_ADDRESS;
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m_ctx.hp = local_addr;
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hp_ = local_addr;
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return SP_ERROR_NONE;
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}
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@ -233,7 +233,7 @@ PluginContext::HeapRelease(cell_t local_addr)
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if (local_addr < (cell_t)m_pRuntime->plugin()->data_size)
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return SP_ERROR_INVALID_ADDRESS;
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m_ctx.hp = local_addr - sizeof(cell_t);
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hp_ = local_addr - sizeof(cell_t);
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return SP_ERROR_NONE;
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}
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@ -325,7 +325,7 @@ PluginContext::BindNativeToAny(SPVM_NATIVE_FUNC native)
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int
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PluginContext::LocalToPhysAddr(cell_t local_addr, cell_t **phys_addr)
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{
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if (((local_addr >= m_ctx.hp) && (local_addr < sp_)) ||
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if (((local_addr >= hp_) && (local_addr < sp_)) ||
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(local_addr < 0) || ((ucell_t)local_addr >= m_pRuntime->plugin()->mem_size))
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{
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return SP_ERROR_INVALID_ADDRESS;
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@ -358,7 +358,7 @@ PluginContext::PushCellArray(cell_t *local_addr, cell_t **phys_addr, cell_t arra
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int
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PluginContext::LocalToString(cell_t local_addr, char **addr)
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{
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if (((local_addr >= m_ctx.hp) && (local_addr < sp_)) ||
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if (((local_addr >= hp_) && (local_addr < sp_)) ||
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(local_addr < 0) || ((ucell_t)local_addr >= m_pRuntime->plugin()->mem_size))
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{
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return SP_ERROR_INVALID_ADDRESS;
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@ -380,7 +380,7 @@ PluginContext::StringToLocal(cell_t local_addr, size_t bytes, const char *source
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char *dest;
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size_t len;
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if (((local_addr >= m_ctx.hp) && (local_addr < sp_)) ||
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if (((local_addr >= hp_) && (local_addr < sp_)) ||
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(local_addr < 0) || ((ucell_t)local_addr >= m_pRuntime->plugin()->mem_size))
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{
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return SP_ERROR_INVALID_ADDRESS;
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@ -443,7 +443,7 @@ PluginContext::StringToLocalUTF8(cell_t local_addr, size_t maxbytes, const char
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size_t len;
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bool needtocheck = false;
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if (((local_addr >= m_ctx.hp) && (local_addr < sp_)) ||
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if (((local_addr >= hp_) && (local_addr < sp_)) ||
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(local_addr < 0) ||
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((ucell_t)local_addr >= m_pRuntime->plugin()->mem_size))
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{
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@ -548,7 +548,7 @@ PluginContext::Execute2(IPluginFunction *function, const cell_t *params, unsigne
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if (m_pRuntime->IsPaused())
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return SP_ERROR_NOT_RUNNABLE;
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if ((cell_t)(m_ctx.hp + 16*sizeof(cell_t)) > (cell_t)(sp_ - (sizeof(cell_t) * (num_params + 1))))
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if ((cell_t)(hp_ + 16*sizeof(cell_t)) > (cell_t)(sp_ - (sizeof(cell_t) * (num_params + 1))))
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return SP_ERROR_STACKLOW;
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if (result == NULL)
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@ -579,7 +579,7 @@ PluginContext::Execute2(IPluginFunction *function, const cell_t *params, unsigne
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cell_t save_sp, save_hp, save_rp, save_cip;
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save_sp = sp_;
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save_hp = m_ctx.hp;
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save_hp = hp_;
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save_exec = m_InExec;
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save_n_idx = last_native_;
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save_rp = rp_;
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@ -620,10 +620,10 @@ PluginContext::Execute2(IPluginFunction *function, const cell_t *params, unsigne
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sp_,
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save_sp);
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}
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if (m_ctx.hp != save_hp) {
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if (hp_ != save_hp) {
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ir = SP_ERROR_HEAPLEAK;
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_SetErrorMessage("Heap leak detected: hp:%d should be %d!",
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m_ctx.hp,
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hp_,
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save_hp);
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}
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if (rp_ != save_rp) {
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@ -641,7 +641,7 @@ PluginContext::Execute2(IPluginFunction *function, const cell_t *params, unsigne
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Environment::get()->ReportError(m_pRuntime, ir, m_MsgCache, save_rp);
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sp_ = save_sp;
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m_ctx.hp = save_hp;
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hp_ = save_hp;
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rp_ = save_rp;
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cip_ = save_cip;
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@ -823,10 +823,10 @@ PluginContext::popTrackerAndSetHeap()
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return SP_ERROR_TRACKER_BOUNDS;
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ucell_t amt = *tracker_.pCur;
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if (amt > (m_ctx.hp - m_pRuntime->plugin()->data_size))
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if (amt > (hp_ - m_pRuntime->plugin()->data_size))
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return SP_ERROR_HEAPMIN;
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m_ctx.hp -= amt;
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hp_ -= amt;
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return SP_ERROR_NONE;
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}
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@ -855,7 +855,7 @@ cell_t
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PluginContext::invokeNative(ucell_t native_idx, cell_t *params)
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{
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cell_t save_sp = sp_;
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cell_t save_hp = m_ctx.hp;
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cell_t save_hp = hp_;
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// Note: Invoke() saves the last native, so we don't need to here.
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last_native_ = native_idx;
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@ -876,7 +876,7 @@ PluginContext::invokeNative(ucell_t native_idx, cell_t *params)
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native_error_ = SP_ERROR_STACKLEAK;
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return result;
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}
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if (save_hp != m_ctx.hp) {
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if (save_hp != hp_) {
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native_error_ = SP_ERROR_HEAPLEAK;
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return result;
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}
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@ -888,7 +888,7 @@ cell_t
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PluginContext::invokeBoundNative(SPVM_NATIVE_FUNC pfn, cell_t *params)
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{
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cell_t save_sp = sp_;
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cell_t save_hp = m_ctx.hp;
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cell_t save_hp = hp_;
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cell_t result = pfn(this, params);
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@ -899,10 +899,161 @@ PluginContext::invokeBoundNative(SPVM_NATIVE_FUNC pfn, cell_t *params)
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native_error_ = SP_ERROR_STACKLEAK;
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return result;
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}
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if (save_hp != m_ctx.hp) {
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if (save_hp != hp_) {
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native_error_ = SP_ERROR_HEAPLEAK;
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return result;
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}
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return result;
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}
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struct array_creation_t
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{
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const cell_t *dim_list; /* Dimension sizes */
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cell_t dim_count; /* Number of dimensions */
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cell_t *data_offs; /* Current offset AFTER the indirection vectors (data) */
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cell_t *base; /* array base */
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};
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static cell_t
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GenerateInnerArrayIndirectionVectors(array_creation_t *ar, int dim, cell_t cur_offs)
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{
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cell_t write_offs = cur_offs;
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cell_t *data_offs = ar->data_offs;
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cur_offs += ar->dim_list[dim];
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// Dimension n-x where x > 2 will have sub-vectors.
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// Otherwise, we just need to reference the data section.
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if (ar->dim_count > 2 && dim < ar->dim_count - 2) {
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// For each index at this dimension, write offstes to our sub-vectors.
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// After we write one sub-vector, we generate its sub-vectors recursively.
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// At the end, we're given the next offset we can use.
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for (int i = 0; i < ar->dim_list[dim]; i++) {
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ar->base[write_offs] = (cur_offs - write_offs) * sizeof(cell_t);
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write_offs++;
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cur_offs = GenerateInnerArrayIndirectionVectors(ar, dim + 1, cur_offs);
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}
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} else {
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// In this section, there are no sub-vectors, we need to write offsets
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// to the data. This is separate so the data stays in one big chunk.
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// The data offset will increment by the size of the last dimension,
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// because that is where the data is finally computed as.
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for (int i = 0; i < ar->dim_list[dim]; i++) {
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ar->base[write_offs] = (*data_offs - write_offs) * sizeof(cell_t);
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write_offs++;
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*data_offs = *data_offs + ar->dim_list[dim + 1];
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}
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}
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return cur_offs;
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}
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static cell_t
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calc_indirection(const array_creation_t *ar, cell_t dim)
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{
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cell_t size = ar->dim_list[dim];
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if (dim < ar->dim_count - 2)
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size += ar->dim_list[dim] * calc_indirection(ar, dim + 1);
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return size;
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}
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static cell_t
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GenerateArrayIndirectionVectors(cell_t *arraybase, cell_t dims[], cell_t _dimcount, bool autozero)
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{
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array_creation_t ar;
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cell_t data_offs;
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/* Reverse the dimensions */
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cell_t dim_list[sDIMEN_MAX];
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int cur_dim = 0;
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for (int i = _dimcount - 1; i >= 0; i--)
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dim_list[cur_dim++] = dims[i];
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ar.base = arraybase;
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ar.dim_list = dim_list;
|
||||
ar.dim_count = _dimcount;
|
||||
ar.data_offs = &data_offs;
|
||||
|
||||
data_offs = calc_indirection(&ar, 0);
|
||||
GenerateInnerArrayIndirectionVectors(&ar, 0, 0);
|
||||
return data_offs;
|
||||
}
|
||||
|
||||
int
|
||||
PluginContext::generateFullArray(uint32_t argc, cell_t *argv, int autozero)
|
||||
{
|
||||
// Calculate how many cells are needed.
|
||||
if (argv[0] <= 0)
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
|
||||
uint32_t cells = argv[0];
|
||||
|
||||
for (uint32_t dim = 1; dim < argc; dim++) {
|
||||
cell_t dimsize = argv[dim];
|
||||
if (dimsize <= 0)
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
if (!ke::IsUint32MultiplySafe(cells, dimsize))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
cells *= uint32_t(dimsize);
|
||||
if (!ke::IsUint32AddSafe(cells, dimsize))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
cells += uint32_t(dimsize);
|
||||
}
|
||||
|
||||
if (!ke::IsUint32MultiplySafe(cells, 4))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
|
||||
uint32_t bytes = cells * 4;
|
||||
if (!ke::IsUint32AddSafe(hp_, bytes))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
|
||||
uint32_t new_hp = hp_ + bytes;
|
||||
cell_t *dat_hp = reinterpret_cast<cell_t *>(m_pRuntime->plugin()->memory + new_hp);
|
||||
|
||||
// argv, coincidentally, is STK.
|
||||
if (dat_hp >= argv - STACK_MARGIN)
|
||||
return SP_ERROR_HEAPLOW;
|
||||
|
||||
if (int err = pushTracker(bytes))
|
||||
return err;
|
||||
|
||||
cell_t *base = reinterpret_cast<cell_t *>(m_pRuntime->plugin()->memory + hp_);
|
||||
cell_t offs = GenerateArrayIndirectionVectors(base, argv, argc, !!autozero);
|
||||
assert(size_t(offs) == cells);
|
||||
|
||||
argv[argc - 1] = hp_;
|
||||
hp_ = new_hp;
|
||||
return SP_ERROR_NONE;
|
||||
}
|
||||
|
||||
int
|
||||
PluginContext::generateArray(cell_t dims, cell_t *stk, bool autozero)
|
||||
{
|
||||
if (dims == 1) {
|
||||
uint32_t size = *stk;
|
||||
if (size == 0 || !ke::IsUint32MultiplySafe(size, 4))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
*stk = hp_;
|
||||
|
||||
uint32_t bytes = size * 4;
|
||||
|
||||
hp_ += bytes;
|
||||
if (uintptr_t(m_pRuntime->plugin()->memory + hp_) >= uintptr_t(stk))
|
||||
return SP_ERROR_HEAPLOW;
|
||||
|
||||
if (int err = pushTracker(bytes))
|
||||
return err;
|
||||
|
||||
if (autozero)
|
||||
memset(m_pRuntime->plugin()->memory + hp_, 0, bytes);
|
||||
|
||||
return SP_ERROR_NONE;
|
||||
}
|
||||
|
||||
if (int err = generateFullArray(dims, stk, autozero))
|
||||
return err;
|
||||
|
||||
return SP_ERROR_NONE;
|
||||
}
|
||||
|
||||
|
@ -119,6 +119,9 @@ class PluginContext : public IPluginContext
|
||||
cell_t *addressOfFrm() {
|
||||
return &frm_;
|
||||
}
|
||||
cell_t *addressOfHp() {
|
||||
return &hp_;
|
||||
}
|
||||
|
||||
int32_t cip() const {
|
||||
return cip_;
|
||||
@ -126,6 +129,9 @@ class PluginContext : public IPluginContext
|
||||
cell_t frm() const {
|
||||
return frm_;
|
||||
}
|
||||
cell_t hp() const {
|
||||
return hp_;
|
||||
}
|
||||
|
||||
// Return stack logic.
|
||||
bool pushReturnCip(cell_t cip) {
|
||||
@ -149,12 +155,27 @@ class PluginContext : public IPluginContext
|
||||
int popTrackerAndSetHeap();
|
||||
int pushTracker(uint32_t amount);
|
||||
|
||||
int generateArray(cell_t dims, cell_t *stk, bool autozero);
|
||||
int generateFullArray(uint32_t argc, cell_t *argv, int autozero);
|
||||
cell_t invokeNative(ucell_t native_idx, cell_t *params);
|
||||
cell_t invokeBoundNative(SPVM_NATIVE_FUNC pfn, cell_t *params);
|
||||
int lastNative() const {
|
||||
return last_native_;
|
||||
}
|
||||
|
||||
inline bool checkAddress(cell_t *stk, cell_t addr) {
|
||||
if (uint32_t(addr) >= m_pRuntime->plugin()->mem_size)
|
||||
return false;
|
||||
|
||||
if (addr < hp_)
|
||||
return true;
|
||||
|
||||
if (reinterpret_cast<cell_t *>(m_pRuntime->plugin()->memory + addr) < stk)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
private:
|
||||
void SetErrorMessage(const char *msg, va_list ap);
|
||||
void _SetErrorMessage(const char *msg, ...);
|
||||
@ -184,8 +205,9 @@ class PluginContext : public IPluginContext
|
||||
// Most recent CIP.
|
||||
int32_t cip_;
|
||||
|
||||
// Stack and frame pointer.
|
||||
// Stack, heap, and frame pointer.
|
||||
cell_t sp_;
|
||||
cell_t hp_;
|
||||
cell_t frm_;
|
||||
};
|
||||
|
||||
|
@ -77,128 +77,6 @@ OpToCondition(OPCODE op)
|
||||
}
|
||||
}
|
||||
|
||||
struct array_creation_t
|
||||
{
|
||||
const cell_t *dim_list; /* Dimension sizes */
|
||||
cell_t dim_count; /* Number of dimensions */
|
||||
cell_t *data_offs; /* Current offset AFTER the indirection vectors (data) */
|
||||
cell_t *base; /* array base */
|
||||
};
|
||||
|
||||
static cell_t
|
||||
GenerateInnerArrayIndirectionVectors(array_creation_t *ar, int dim, cell_t cur_offs)
|
||||
{
|
||||
cell_t write_offs = cur_offs;
|
||||
cell_t *data_offs = ar->data_offs;
|
||||
|
||||
cur_offs += ar->dim_list[dim];
|
||||
|
||||
// Dimension n-x where x > 2 will have sub-vectors.
|
||||
// Otherwise, we just need to reference the data section.
|
||||
if (ar->dim_count > 2 && dim < ar->dim_count - 2) {
|
||||
// For each index at this dimension, write offstes to our sub-vectors.
|
||||
// After we write one sub-vector, we generate its sub-vectors recursively.
|
||||
// At the end, we're given the next offset we can use.
|
||||
for (int i = 0; i < ar->dim_list[dim]; i++) {
|
||||
ar->base[write_offs] = (cur_offs - write_offs) * sizeof(cell_t);
|
||||
write_offs++;
|
||||
cur_offs = GenerateInnerArrayIndirectionVectors(ar, dim + 1, cur_offs);
|
||||
}
|
||||
} else {
|
||||
// In this section, there are no sub-vectors, we need to write offsets
|
||||
// to the data. This is separate so the data stays in one big chunk.
|
||||
// The data offset will increment by the size of the last dimension,
|
||||
// because that is where the data is finally computed as.
|
||||
for (int i = 0; i < ar->dim_list[dim]; i++) {
|
||||
ar->base[write_offs] = (*data_offs - write_offs) * sizeof(cell_t);
|
||||
write_offs++;
|
||||
*data_offs = *data_offs + ar->dim_list[dim + 1];
|
||||
}
|
||||
}
|
||||
|
||||
return cur_offs;
|
||||
}
|
||||
|
||||
static cell_t
|
||||
calc_indirection(const array_creation_t *ar, cell_t dim)
|
||||
{
|
||||
cell_t size = ar->dim_list[dim];
|
||||
if (dim < ar->dim_count - 2)
|
||||
size += ar->dim_list[dim] * calc_indirection(ar, dim + 1);
|
||||
return size;
|
||||
}
|
||||
|
||||
static cell_t
|
||||
GenerateArrayIndirectionVectors(cell_t *arraybase, cell_t dims[], cell_t _dimcount, bool autozero)
|
||||
{
|
||||
array_creation_t ar;
|
||||
cell_t data_offs;
|
||||
|
||||
/* Reverse the dimensions */
|
||||
cell_t dim_list[sDIMEN_MAX];
|
||||
int cur_dim = 0;
|
||||
for (int i = _dimcount - 1; i >= 0; i--)
|
||||
dim_list[cur_dim++] = dims[i];
|
||||
|
||||
ar.base = arraybase;
|
||||
ar.dim_list = dim_list;
|
||||
ar.dim_count = _dimcount;
|
||||
ar.data_offs = &data_offs;
|
||||
|
||||
data_offs = calc_indirection(&ar, 0);
|
||||
GenerateInnerArrayIndirectionVectors(&ar, 0, 0);
|
||||
return data_offs;
|
||||
}
|
||||
|
||||
int
|
||||
GenerateFullArray(PluginRuntime *rt, uint32_t argc, cell_t *argv, int autozero)
|
||||
{
|
||||
sp_context_t *ctx = rt->GetBaseContext()->GetCtx();
|
||||
|
||||
// Calculate how many cells are needed.
|
||||
if (argv[0] <= 0)
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
|
||||
uint32_t cells = argv[0];
|
||||
|
||||
for (uint32_t dim = 1; dim < argc; dim++) {
|
||||
cell_t dimsize = argv[dim];
|
||||
if (dimsize <= 0)
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
if (!ke::IsUint32MultiplySafe(cells, dimsize))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
cells *= uint32_t(dimsize);
|
||||
if (!ke::IsUint32AddSafe(cells, dimsize))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
cells += uint32_t(dimsize);
|
||||
}
|
||||
|
||||
if (!ke::IsUint32MultiplySafe(cells, 4))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
|
||||
uint32_t bytes = cells * 4;
|
||||
if (!ke::IsUint32AddSafe(ctx->hp, bytes))
|
||||
return SP_ERROR_ARRAY_TOO_BIG;
|
||||
|
||||
uint32_t new_hp = ctx->hp + bytes;
|
||||
cell_t *dat_hp = reinterpret_cast<cell_t *>(rt->plugin()->memory + new_hp);
|
||||
|
||||
// argv, coincidentally, is STK.
|
||||
if (dat_hp >= argv - STACK_MARGIN)
|
||||
return SP_ERROR_HEAPLOW;
|
||||
|
||||
if (int err = rt->GetBaseContext()->pushTracker(bytes))
|
||||
return err;
|
||||
|
||||
cell_t *base = reinterpret_cast<cell_t *>(rt->plugin()->memory + ctx->hp);
|
||||
cell_t offs = GenerateArrayIndirectionVectors(base, argv, argc, !!autozero);
|
||||
assert(size_t(offs) == cells);
|
||||
|
||||
argv[argc - 1] = ctx->hp;
|
||||
ctx->hp = new_hp;
|
||||
return SP_ERROR_NONE;
|
||||
}
|
||||
|
||||
#if !defined NDEBUG
|
||||
static const char *
|
||||
GetFunctionName(const sp_plugin_t *plugin, uint32_t offs)
|
||||
@ -410,6 +288,12 @@ InvokeBoundNativeHelper(PluginContext *cx, SPVM_NATIVE_FUNC fn, cell_t *params)
|
||||
return cx->invokeBoundNative(fn, params);
|
||||
}
|
||||
|
||||
static int
|
||||
InvokeGenerateFullArray(PluginContext *cx, uint32_t argc, cell_t *argv, int autozero)
|
||||
{
|
||||
return cx->generateFullArray(argc, argv, autozero);
|
||||
}
|
||||
|
||||
bool
|
||||
Compiler::emitOp(OPCODE op)
|
||||
{
|
||||
@ -1458,8 +1342,8 @@ Compiler::emitGenArray(bool autozero)
|
||||
__ push(autozero ? 1 : 0);
|
||||
__ push(stk);
|
||||
__ push(val);
|
||||
__ push(intptr_t(rt_));
|
||||
__ call(ExternalAddress((void *)GenerateFullArray));
|
||||
__ push(intptr_t(context_));
|
||||
__ call(ExternalAddress((void *)InvokeGenerateFullArray));
|
||||
__ addl(esp, 4 * sizeof(void *));
|
||||
|
||||
// restore pri to tmp
|
||||
|
@ -94,8 +94,7 @@ class Compiler
|
||||
return ExternalAddress(context_->addressOfCip());
|
||||
}
|
||||
ExternalAddress hpAddr() {
|
||||
sp_context_t *ctx = rt_->GetBaseContext()->GetCtx();
|
||||
return ExternalAddress(&ctx->hp);
|
||||
return ExternalAddress(context_->addressOfHp());
|
||||
}
|
||||
ExternalAddress frmAddr() {
|
||||
return ExternalAddress(context_->addressOfFrm());
|
||||
|
Loading…
Reference in New Issue
Block a user