cacao 0.99.3: Added patch to fix PR99 (this time for real).

cacao 0.99.4: Dito.

1 files changed, 91 insertions, 0 deletions

diff --git a/recipes/cacao/files/cacao_PR99_C_0.99.3.patch b/recipes/cacao/files/cacao_PR99_C_0.99.3.patch
new file mode 100644
index 0000000000..9d107310d4
--- /dev/null
+++ b/recipes/cacao/files/cacao_PR99_C_0.99.3.patch
@@ -0,0 +1,91 @@
+Index: cacao-0.99.3/src/vm/jit/arm/codegen.h
+===================================================================
+--- cacao-0.99.3.orig/src/vm/jit/arm/codegen.h	2009-03-21 20:17:46.000000000 +0100
++++ cacao-0.99.3/src/vm/jit/arm/codegen.h	2009-03-21 20:18:19.000000000 +0100
+@@ -1107,15 +1107,22 @@
+ /* M_RECOMPUTE_PV:
+    used to recompute our PV (we use the IP for this) out of the current PC
+    ATTENTION: if you change this, you have to look at other functions as well!
+-   Following things depend on it: asm_call_jit_compiler(); codegen_findmethod();
++   Following things depend on it: md_codegen_get_pv_from_pc();
+ */
+ #define M_RECOMPUTE_PV(disp) \
+ 	disp += 8; /* we use PC relative addr.  */ \
+ 	assert((disp & 0x03) == 0); \
+ 	assert(disp >= 0 && disp <= 0x03ffffff); \
+-	M_SUB_IMM(REG_PV, REG_PC, IMM_ROTL(disp >> 2, 1)); \
+-	if (disp > 0x000003ff) M_SUB_IMM(REG_PV, REG_PV, IMM_ROTL(disp >> 10, 5)); \
+-	if (disp > 0x0003ffff) M_SUB_IMM(REG_PV, REG_PV, IMM_ROTL(disp >> 18, 9)); \
++	if (disp > 0x0003ffff) { \
++		M_SUB_IMM(REG_PV, REG_PC, IMM_ROTL(disp >> 18, 9)); \
++		M_SUB_IMM(REG_PV, REG_PV, IMM_ROTL(disp >> 10, 5)); \
++		M_SUB_IMM(REG_PV, REG_PV, IMM_ROTL(disp >> 2, 1)); \
++	} else if (disp > 0x000003ff) { \
++		M_SUB_IMM(REG_PV, REG_PC, IMM_ROTL(disp >> 10, 5)); \
++		M_SUB_IMM(REG_PV, REG_PV, IMM_ROTL(disp >> 2, 1)); \
++	} else { \
++		M_SUB_IMM(REG_PV, REG_PC, IMM_ROTL(disp >> 2, 1)); \
++	}
+ 
+ /* M_INTMOVE:
+    generates an integer-move from register a to b.
+Index: cacao-0.99.3/src/vm/jit/arm/md.h
+===================================================================
+--- cacao-0.99.3.orig/src/vm/jit/arm/md.h	2009-03-21 20:17:47.000000000 +0100
++++ cacao-0.99.3/src/vm/jit/arm/md.h	2009-03-21 20:18:19.000000000 +0100
+@@ -68,30 +68,40 @@
+ 
+ inline static u1 *md_codegen_get_pv_from_pc(u1 *ra)
+ {
++	u4 *pc;	
+ 	u1 *pv;
+-	u4  mcode1, mcode2, mcode3;
++	u4  mcode;
++	int mcode_idx;
+ 
++	pc = (u4*) ra;
+ 	pv = ra;
+ 
+ 	/* this can either be a RECOMPUTE_IP in JIT code or a fake in asm_calljavafunction */
+-	mcode1 = *((u4*) ra);
+-	if ((mcode1 & 0xffffff00) == 0xe24fcf00 /*sub ip,pc,#__*/)
+-		pv -= (s4) ((mcode1 & 0x000000ff) <<  2);
+-	else if ((mcode1 & 0xffffff00) == 0xe24fc000 /*sub ip,pc,#__*/)
+-		pv -= (s4) (mcode1 & 0x000000ff);
++	mcode_idx = 0;	
++	mcode = pc[0];
++
++	/* if this was shifted by 18 bits, we have to load additional instructions */
++	if ((mcode & 0xfff0ff00) == 0xe240c700 /*sub ip,??,#__*/) {
++		pv -= (s4) ((mcode & 0x000000ff) << 18);
++		mcode = pc[++mcode_idx];
++	}
++
++	/* if this was shifted by 10 bits, we have to load additional instructions */
++	if ((mcode & 0xfff0ff00) == 0xe240cb00 /*sub ip,??,#__*/) {
++		pv -= (s4) ((mcode & 0x000000ff) << 10);
++		mcode = pc[++mcode_idx];
++	}
++
++	/* this is the default path with just one instruction, shifted by 2 or no bits */
++	if ((mcode & 0xfff0ff00) == 0xe240cf00 /*sub ip,??,#__*/)
++		pv -= (s4) ((mcode & 0x000000ff) <<  2);
++	else if ((mcode & 0xffffff00) == 0xe24fc000 /*sub ip,pc,#__*/)
++		pv -= (s4) (mcode & 0x000000ff);
+ 	else {
+ 		/* if this happens, we got an unexpected instruction at (*ra) */
+-		vm_abort("Unable to find method: %p (instr=%x)", ra, mcode1);
++		vm_abort("Unable to find method: %p (instr=%x)", ra, mcode);
+ 	}
+ 
+-	/* if we have a RECOMPUTE_IP there can be more than one instruction */
+-	mcode2 = *((u4*) (ra + 4));
+-	mcode3 = *((u4*) (ra + 8));
+-	if ((mcode2 & 0xffffff00) == 0xe24ccb00 /*sub ip,ip,#__*/)
+-		pv -= (s4) ((mcode2 & 0x000000ff) << 10);
+-	if ((mcode3 & 0xffffff00) == 0xe24cc700 /*sub ip,ip,#__*/)
+-		pv -= (s4) ((mcode3 & 0x000000ff) << 18);
+-
+ 	/* we used PC-relative adressing; but now it is LR-relative */
+ 	pv += 8;
+