> +/* Checks for an atomic sequence of instructions beginning with a LWARX/LDARX > + instruction and ending with a STWCX/STDCX instruction. If such a sequence > + is found, attempt to step through it. A breakpoint is placed at the end > of > + the sequence. */ > +
s/LWARX/LDL_L/g s/LDARX/LDQ_L/g s/STWCX/STL_C/g s/STDCX/STQ_C/g > + int immediate = ((insn & 0x001fffff) << 2); > + > + if (bc_insn_count >= 1) > + return 0; /* More than one conditional branch found, fallback > + to the standard single-step code. */ > + > + breaks[1] = loc + ALPHA_INSN_SIZE + immediate; The immediate needs to be sign-extended. Add: immedaite = (immediate ^ 0x400000) - 0x400000; Otherwise your computation of the address is correct. r~
