Add sources of PCRE and Microsoft Visual Studio solutions to compile the libHEADmaster

1 files changed, 278 insertions, 0 deletions

diff --git a/pcre/sljit/sljitNativePPC_32.c b/pcre/sljit/sljitNativePPC_32.c
new file mode 100644
index 0000000..3ce7411
--- /dev/null
+++ b/pcre/sljit/sljitNativePPC_32.c
@@ -0,0 +1,278 @@
+/*
+ *    Stack-less Just-In-Time compiler
+ *
+ *    Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice, this list of
+ *      conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *      of conditions and the following disclaimer in the documentation and/or other materials
+ *      provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* ppc 32-bit arch dependent functions. */
+
+static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw imm)
+{
+	if (imm <= SIMM_MAX && imm >= SIMM_MIN)
+		return push_inst(compiler, ADDI | D(reg) | A(0) | IMM(imm));
+
+	if (!(imm & ~0xffff))
+		return push_inst(compiler, ORI | S(TMP_ZERO) | A(reg) | IMM(imm));
+
+	FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(imm >> 16)));
+	return (imm & 0xffff) ? push_inst(compiler, ORI | S(reg) | A(reg) | IMM(imm)) : SLJIT_SUCCESS;
+}
+
+#define INS_CLEAR_LEFT(dst, src, from) \
+	(RLWINM | S(src) | A(dst) | ((from) << 6) | (31 << 1))
+
+static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
+	sljit_s32 dst, sljit_s32 src1, sljit_s32 src2)
+{
+	switch (op) {
+	case SLJIT_MOV:
+	case SLJIT_MOV_U32:
+	case SLJIT_MOV_S32:
+	case SLJIT_MOV_P:
+		SLJIT_ASSERT(src1 == TMP_REG1);
+		if (dst != src2)
+			return push_inst(compiler, OR | S(src2) | A(dst) | B(src2));
+		return SLJIT_SUCCESS;
+
+	case SLJIT_MOV_U8:
+	case SLJIT_MOV_S8:
+		SLJIT_ASSERT(src1 == TMP_REG1);
+		if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
+			if (op == SLJIT_MOV_S8)
+				return push_inst(compiler, EXTSB | S(src2) | A(dst));
+			return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 24));
+		}
+		else if ((flags & REG_DEST) && op == SLJIT_MOV_S8)
+			return push_inst(compiler, EXTSB | S(src2) | A(dst));
+		else {
+			SLJIT_ASSERT(dst == src2);
+		}
+		return SLJIT_SUCCESS;
+
+	case SLJIT_MOV_U16:
+	case SLJIT_MOV_S16:
+		SLJIT_ASSERT(src1 == TMP_REG1);
+		if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
+			if (op == SLJIT_MOV_S16)
+				return push_inst(compiler, EXTSH | S(src2) | A(dst));
+			return push_inst(compiler, INS_CLEAR_LEFT(dst, src2, 16));
+		}
+		else {
+			SLJIT_ASSERT(dst == src2);
+		}
+		return SLJIT_SUCCESS;
+
+	case SLJIT_NOT:
+		SLJIT_ASSERT(src1 == TMP_REG1);
+		return push_inst(compiler, NOR | RC(flags) | S(src2) | A(dst) | B(src2));
+
+	case SLJIT_NEG:
+		SLJIT_ASSERT(src1 == TMP_REG1);
+		/* Setting XER SO is not enough, CR SO is also needed. */
+		return push_inst(compiler, NEG | OE((flags & ALT_FORM1) ? ALT_SET_FLAGS : 0) | RC(flags) | D(dst) | A(src2));
+
+	case SLJIT_CLZ:
+		SLJIT_ASSERT(src1 == TMP_REG1);
+		return push_inst(compiler, CNTLZW | S(src2) | A(dst));
+
+	case SLJIT_ADD:
+		if (flags & ALT_FORM1) {
+			/* Setting XER SO is not enough, CR SO is also needed. */
+			return push_inst(compiler, ADD | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
+		}
+
+		if (flags & ALT_FORM2) {
+			/* Flags does not set: BIN_IMM_EXTS unnecessary. */
+			SLJIT_ASSERT(src2 == TMP_REG2);
+
+			if (flags & ALT_FORM3)
+				return push_inst(compiler, ADDIS | D(dst) | A(src1) | compiler->imm);
+
+			if (flags & ALT_FORM4) {
+				FAIL_IF(push_inst(compiler, ADDIS | D(dst) | A(src1) | (((compiler->imm >> 16) & 0xffff) + ((compiler->imm >> 15) & 0x1))));
+				src1 = dst;
+			}
+
+			return push_inst(compiler, ADDI | D(dst) | A(src1) | (compiler->imm & 0xffff));
+		}
+		if (flags & ALT_FORM3) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, ADDIC | D(dst) | A(src1) | compiler->imm);
+		}
+		if (!(flags & ALT_SET_FLAGS))
+			return push_inst(compiler, ADD | D(dst) | A(src1) | B(src2));
+		if (flags & ALT_FORM4)
+			return push_inst(compiler, ADDC | RC(ALT_SET_FLAGS) | D(dst) | A(src1) | B(src2));
+		return push_inst(compiler, ADD | RC(flags) | D(dst) | A(src1) | B(src2));
+
+	case SLJIT_ADDC:
+		return push_inst(compiler, ADDE | D(dst) | A(src1) | B(src2));
+
+	case SLJIT_SUB:
+		if (flags & ALT_FORM1) {
+			if (flags & ALT_FORM2) {
+				FAIL_IF(push_inst(compiler, CMPLI | CRD(0) | A(src1) | compiler->imm));
+				if (!(flags & ALT_FORM3))
+					return SLJIT_SUCCESS;
+				return push_inst(compiler, ADDI | D(dst) | A(src1) | (-compiler->imm & 0xffff));
+			}
+			FAIL_IF(push_inst(compiler, CMPL | CRD(0) | A(src1) | B(src2)));
+			if (!(flags & ALT_FORM3))
+				return SLJIT_SUCCESS;
+			return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
+		}
+
+		if (flags & ALT_FORM2) {
+			/* Setting XER SO is not enough, CR SO is also needed. */
+			return push_inst(compiler, SUBF | OE(ALT_SET_FLAGS) | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
+		}
+
+		if (flags & ALT_FORM3) {
+			/* Flags does not set: BIN_IMM_EXTS unnecessary. */
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, SUBFIC | D(dst) | A(src1) | compiler->imm);
+		}
+
+		if (flags & ALT_FORM4) {
+			if (flags & ALT_FORM5) {
+				SLJIT_ASSERT(src2 == TMP_REG2);
+				return push_inst(compiler, CMPI | CRD(0) | A(src1) | compiler->imm);
+			}
+			return push_inst(compiler, CMP | CRD(0) | A(src1) | B(src2));
+		}
+
+		if (!(flags & ALT_SET_FLAGS))
+			return push_inst(compiler, SUBF | D(dst) | A(src2) | B(src1));
+		if (flags & ALT_FORM5)
+			return push_inst(compiler, SUBFC | RC(ALT_SET_FLAGS) | D(dst) | A(src2) | B(src1));
+		return push_inst(compiler, SUBF | RC(flags) | D(dst) | A(src2) | B(src1));
+
+	case SLJIT_SUBC:
+		return push_inst(compiler, SUBFE | D(dst) | A(src2) | B(src1));
+
+	case SLJIT_MUL:
+		if (flags & ALT_FORM1) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, MULLI | D(dst) | A(src1) | compiler->imm);
+		}
+		return push_inst(compiler, MULLW | OE(flags) | RC(flags) | D(dst) | A(src2) | B(src1));
+
+	case SLJIT_AND:
+		if (flags & ALT_FORM1) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, ANDI | S(src1) | A(dst) | compiler->imm);
+		}
+		if (flags & ALT_FORM2) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, ANDIS | S(src1) | A(dst) | compiler->imm);
+		}
+		return push_inst(compiler, AND | RC(flags) | S(src1) | A(dst) | B(src2));
+
+	case SLJIT_OR:
+		if (flags & ALT_FORM1) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, ORI | S(src1) | A(dst) | compiler->imm);
+		}
+		if (flags & ALT_FORM2) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, ORIS | S(src1) | A(dst) | compiler->imm);
+		}
+		if (flags & ALT_FORM3) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			FAIL_IF(push_inst(compiler, ORI | S(src1) | A(dst) | IMM(compiler->imm)));
+			return push_inst(compiler, ORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16));
+		}
+		return push_inst(compiler, OR | RC(flags) | S(src1) | A(dst) | B(src2));
+
+	case SLJIT_XOR:
+		if (flags & ALT_FORM1) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, XORI | S(src1) | A(dst) | compiler->imm);
+		}
+		if (flags & ALT_FORM2) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			return push_inst(compiler, XORIS | S(src1) | A(dst) | compiler->imm);
+		}
+		if (flags & ALT_FORM3) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			FAIL_IF(push_inst(compiler, XORI | S(src1) | A(dst) | IMM(compiler->imm)));
+			return push_inst(compiler, XORIS | S(dst) | A(dst) | IMM(compiler->imm >> 16));
+		}
+		return push_inst(compiler, XOR | RC(flags) | S(src1) | A(dst) | B(src2));
+
+	case SLJIT_SHL:
+		if (flags & ALT_FORM1) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			compiler->imm &= 0x1f;
+			return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11) | ((31 - compiler->imm) << 1));
+		}
+		return push_inst(compiler, SLW | RC(flags) | S(src1) | A(dst) | B(src2));
+
+	case SLJIT_LSHR:
+		if (flags & ALT_FORM1) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			compiler->imm &= 0x1f;
+			return push_inst(compiler, RLWINM | RC(flags) | S(src1) | A(dst) | (((32 - compiler->imm) & 0x1f) << 11) | (compiler->imm << 6) | (31 << 1));
+		}
+		return push_inst(compiler, SRW | RC(flags) | S(src1) | A(dst) | B(src2));
+
+	case SLJIT_ASHR:
+		if (flags & ALT_FORM1) {
+			SLJIT_ASSERT(src2 == TMP_REG2);
+			compiler->imm &= 0x1f;
+			return push_inst(compiler, SRAWI | RC(flags) | S(src1) | A(dst) | (compiler->imm << 11));
+		}
+		return push_inst(compiler, SRAW | RC(flags) | S(src1) | A(dst) | B(src2));
+	}
+
+	SLJIT_UNREACHABLE();
+	return SLJIT_SUCCESS;
+}
+
+static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw init_value)
+{
+	FAIL_IF(push_inst(compiler, ADDIS | D(reg) | A(0) | IMM(init_value >> 16)));
+	return push_inst(compiler, ORI | S(reg) | A(reg) | IMM(init_value));
+}
+
+SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset)
+{
+	sljit_ins *inst = (sljit_ins *)addr;
+
+	SLJIT_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI);
+	inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 16) & 0xffff);
+	inst[1] = (inst[1] & 0xffff0000) | (new_target & 0xffff);
+	inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
+	SLJIT_CACHE_FLUSH(inst, inst + 2);
+}
+
+SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset)
+{
+	sljit_ins *inst = (sljit_ins *)addr;
+
+	SLJIT_ASSERT((inst[0] & 0xfc1f0000) == ADDIS && (inst[1] & 0xfc000000) == ORI);
+	inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
+	inst[1] = (inst[1] & 0xffff0000) | (new_constant & 0xffff);
+	inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
+	SLJIT_CACHE_FLUSH(inst, inst + 2);
+}