qemu/tcg/tci.c

2  * Tiny Code Interpreter for QEMU
21 #include "tcg/tcg.h"
22 #include "tcg/helper-info.h"
23 #include "tcg/tcg-ldst.h"
24 #include "disas/dis-asm.h"
25 #include "tcg-has.h"
35  * Enable TCI assertions only when debugging TCG (and without NDEBUG defined).
36  * Without assertions, the interpreter runs much faster.
332  * Therefore, disable CFI checks in the interpreter function
375                 n = cif->nargs;  in tcg_qemu_tb_exec()
377                     ffi_type *t = cif->arg_types[i];  in tcg_qemu_tb_exec()
379                     s += DIV_ROUND_UP(t->size, 8);  in tcg_qemu_tb_exec()
392                  * The result winds up "left-aligned" in the stack[0] slot.  in tcg_qemu_tb_exec()
506             regs[r0] = regs[r1] - regs[r2];  in tcg_qemu_tb_exec()
546             regs[r0] = -regs[r1];  in tcg_qemu_tb_exec()
580             regs[r0] = regs[r1] - regs[r2];  in tcg_qemu_tb_exec()
584             regs[r0] = regs[r1] - regs[r2] - carry;  in tcg_qemu_tb_exec()
590                 regs[r0] = regs[r1] - regs[r2] - 1;  in tcg_qemu_tb_exec()
593                 regs[r0] = regs[r1] - regs[r2];  in tcg_qemu_tb_exec()
833  * Disassembler that matches the interpreter
893     info->fprintf_func(info->stream, "%08x  ", insn);  in print_insn_tci()
897     op_name = def->name;  in print_insn_tci()
904         info->fprintf_func(info->stream, "%-12s  %p", op_name, ptr);  in print_insn_tci()
909         info->fprintf_func(info->stream, "%-12s  %s", op_name, str_r(r0));  in print_insn_tci()
914         info->fprintf_func(info->stream, "%-12s  %d, %p", op_name, len, ptr);  in print_insn_tci()
919         info->fprintf_func(info->stream, "%-12s  %s, 0, ne, %p",  in print_insn_tci()
926         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",  in print_insn_tci()
932         info->fprintf_func(info->stream, "%-12s  %s, 0x%" TCG_PRIlx,  in print_insn_tci()
938         info->fprintf_func(info->stream, "%-12s  %s, %p",  in print_insn_tci()
943         info->fprintf_func(info->stream, "%-12s", op_name);  in print_insn_tci()
957         info->fprintf_func(info->stream, "%-12s  %s, %s, %d",  in print_insn_tci()
971         info->fprintf_func(info->stream, "%-12s  %s, %s",  in print_insn_tci()
1012         info->fprintf_func(info->stream, "%-12s  %s, %s, %s",  in print_insn_tci()
1018         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %d, %d",  in print_insn_tci()
1025         info->fprintf_func(info->stream, "%-12s  %s,%s,%d,%d",  in print_insn_tci()
1033         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s, %s, %s",  in print_insn_tci()
1041         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",  in print_insn_tci()
1049         info->fprintf_func(info->stream, "%-12s  %s, %s, %x",  in print_insn_tci()
1056         info->fprintf_func(info->stream, "%-12s  %s, %s, %s, %s",  in print_insn_tci()
1064             info->fprintf_func(info->stream, "align");  in print_insn_tci()
1070         info->fprintf_func(info->stream, "illegal opcode %d", op);  in print_insn_tci()