Undo accidental commit
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@ -164,66 +164,33 @@ ft32_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
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CORE_ADDR next_addr;
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CORE_ADDR next_addr;
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ULONGEST inst, inst2;
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ULONGEST inst, inst2;
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LONGEST offset;
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LONGEST offset;
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int regnum, pushreg;
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int regnum;
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struct bound_minimal_symbol msymbol;
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unsigned prologs[32];
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cache->saved_regs[FT32_PC_REGNUM] = 0;
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cache->saved_regs[FT32_PC_REGNUM] = 0;
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cache->framesize = 0;
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cache->framesize = 0;
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for (regnum = 0; regnum < 32; regnum++)
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{
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char prolog_symbol[32];
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snprintf (prolog_symbol, sizeof (prolog_symbol), "__prolog_$r%02d",
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regnum);
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msymbol = lookup_minimal_symbol (prolog_symbol, NULL, NULL);
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if (msymbol.minsym)
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prologs[regnum] = BMSYMBOL_VALUE_ADDRESS (msymbol);
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else
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prologs[regnum] = 0;
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}
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if (start_addr >= end_addr)
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if (start_addr >= end_addr)
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return end_addr;
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return end_addr;
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cache->established = 0;
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cache->established = 0;
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for (next_addr = start_addr; next_addr < end_addr;)
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for (next_addr = start_addr; next_addr < end_addr; )
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{
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{
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inst = read_memory_unsigned_integer (next_addr, 4, byte_order);
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inst = read_memory_unsigned_integer (next_addr, 4, byte_order);
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if (FT32_IS_PUSH (inst))
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if (FT32_IS_PUSH (inst))
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{
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{
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pushreg = FT32_PUSH_REG (inst);
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regnum = FT32_R0_REGNUM + FT32_PUSH_REG (inst);
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cache->framesize += 4;
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cache->framesize += 4;
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cache->saved_regs[FT32_R0_REGNUM + pushreg] = cache->framesize;
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cache->saved_regs[regnum] = cache->framesize;
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next_addr += 4;
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next_addr += 4;
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}
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}
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else if (FT32_IS_CALL (inst))
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{
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for (regnum = 0; regnum < 32; regnum++)
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{
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if ((4 * (inst & 0x3ffff)) == prologs[regnum])
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{
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for (pushreg = 13; pushreg <= regnum; pushreg++)
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{
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cache->framesize += 4;
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cache->saved_regs[FT32_R0_REGNUM + pushreg] =
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cache->framesize;
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}
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next_addr += 4;
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}
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}
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break;
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}
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else
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else
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break;
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break;
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}
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}
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for (regnum = FT32_R0_REGNUM; regnum < FT32_PC_REGNUM; regnum++)
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for (regnum = FT32_R0_REGNUM; regnum < FT32_PC_REGNUM; regnum++)
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{
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{
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if (cache->saved_regs[regnum] != REG_UNAVAIL)
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if (cache->saved_regs[regnum] != REG_UNAVAIL)
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cache->saved_regs[regnum] =
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cache->saved_regs[regnum] = cache->framesize - cache->saved_regs[regnum];
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cache->framesize - cache->saved_regs[regnum];
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}
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}
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cache->saved_regs[FT32_PC_REGNUM] = cache->framesize;
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cache->saved_regs[FT32_PC_REGNUM] = cache->framesize;
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