mirror of https://github.com/proxmox/mirror_qemu
nanomips: fix warnings with GCC 14
GCC 14 shows -Wshadow=local warnings if an enum conflicts with a local variable (including a parameter). To avoid this, move the problematic enum and all of its dependencies after the hundreds of functions that have a parameter named "instruction". Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>master
Paolo Bonzini
parent
d1ce2cc95b
commit
207a2baa16
194
disas/nanomips.c
194
disas/nanomips.c
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@ -36,35 +36,6 @@ typedef uint32_t uint32;
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typedef uint16_t uint16;
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typedef uint64_t img_address;
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typedef enum {
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instruction,
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call_instruction,
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branch_instruction,
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return_instruction,
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reserved_block,
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pool,
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} TABLE_ENTRY_TYPE;
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typedef enum {
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MIPS64_ = 0x00000001,
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XNP_ = 0x00000002,
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XMMS_ = 0x00000004,
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EVA_ = 0x00000008,
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DSP_ = 0x00000010,
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MT_ = 0x00000020,
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EJTAG_ = 0x00000040,
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TLBINV_ = 0x00000080,
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CP0_ = 0x00000100,
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CP1_ = 0x00000200,
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CP2_ = 0x00000400,
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UDI_ = 0x00000800,
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MCU_ = 0x00001000,
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VZ_ = 0x00002000,
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TLB_ = 0x00004000,
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MVH_ = 0x00008000,
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ALL_ATTRIBUTES = 0xffffffffull,
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} TABLE_ATTRIBUTE_TYPE;
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typedef struct Dis_info {
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img_address m_pc;
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fprintf_function fprintf_func;
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@ -72,22 +43,6 @@ typedef struct Dis_info {
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sigjmp_buf buf;
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} Dis_info;
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typedef bool (*conditional_function)(uint64 instruction);
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typedef char * (*disassembly_function)(uint64 instruction,
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Dis_info *info);
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typedef struct Pool {
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TABLE_ENTRY_TYPE type;
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const struct Pool *next_table;
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int next_table_size;
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int instructions_size;
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uint64 mask;
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uint64 value;
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disassembly_function disassembly;
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conditional_function condition;
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uint64 attributes;
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} Pool;
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#define IMGASSERTONCE(test)
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@ -544,58 +499,6 @@ static uint64 extract_op_code_value(const uint16 *data, int size)
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}
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/*
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* Recurse through tables until the instruction is found then return
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* the string and size
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*
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* inputs:
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* pointer to a word stream,
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* disassember table and size
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* returns:
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* instruction size - negative is error
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* disassembly string - on error will constain error string
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*/
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static int Disassemble(const uint16 *data, char **dis,
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TABLE_ENTRY_TYPE *type, const Pool *table,
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int table_size, Dis_info *info)
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{
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for (int i = 0; i < table_size; i++) {
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uint64 op_code = extract_op_code_value(data,
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table[i].instructions_size);
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if ((op_code & table[i].mask) == table[i].value) {
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/* possible match */
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conditional_function cond = table[i].condition;
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if ((cond == NULL) || cond(op_code)) {
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if (table[i].type == pool) {
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return Disassemble(data, dis, type,
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table[i].next_table,
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table[i].next_table_size,
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info);
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} else if ((table[i].type == instruction) ||
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(table[i].type == call_instruction) ||
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(table[i].type == branch_instruction) ||
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(table[i].type == return_instruction)) {
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disassembly_function dis_fn = table[i].disassembly;
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if (dis_fn == 0) {
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*dis = g_strdup(
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"disassembler failure - bad table entry");
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return -6;
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}
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*type = table[i].type;
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*dis = dis_fn(op_code, info);
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return table[i].instructions_size;
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} else {
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*dis = g_strdup("reserved instruction");
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return -2;
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}
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}
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}
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}
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*dis = g_strdup("failed to disassemble");
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return -1; /* failed to disassemble */
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}
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static uint64 extract_code_18_to_0(uint64 instruction)
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{
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uint64 value = 0;
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@ -16213,6 +16116,51 @@ static char *YIELD(uint64 instruction, Dis_info *info)
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*
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*/
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typedef enum {
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instruction,
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call_instruction,
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branch_instruction,
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return_instruction,
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reserved_block,
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pool,
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} TABLE_ENTRY_TYPE;
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typedef enum {
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MIPS64_ = 0x00000001,
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XNP_ = 0x00000002,
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XMMS_ = 0x00000004,
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EVA_ = 0x00000008,
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DSP_ = 0x00000010,
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MT_ = 0x00000020,
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EJTAG_ = 0x00000040,
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TLBINV_ = 0x00000080,
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CP0_ = 0x00000100,
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CP1_ = 0x00000200,
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CP2_ = 0x00000400,
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UDI_ = 0x00000800,
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MCU_ = 0x00001000,
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VZ_ = 0x00002000,
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TLB_ = 0x00004000,
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MVH_ = 0x00008000,
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ALL_ATTRIBUTES = 0xffffffffull,
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} TABLE_ATTRIBUTE_TYPE;
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typedef bool (*conditional_function)(uint64 instruction);
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typedef char * (*disassembly_function)(uint64 instruction,
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Dis_info *info);
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typedef struct Pool {
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TABLE_ENTRY_TYPE type;
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const struct Pool *next_table;
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int next_table_size;
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int instructions_size;
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uint64 mask;
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uint64 value;
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disassembly_function disassembly;
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conditional_function condition;
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uint64 attributes;
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} Pool;
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static const Pool P_SYSCALL[2] = {
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{ instruction , 0 , 0 , 32,
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0xfffc0000, 0x00080000, &SYSCALL_32_ , 0,
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@ -21907,6 +21855,58 @@ static const Pool MAJOR[2] = {
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0x0 }, /* P16 */
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};
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/*
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* Recurse through tables until the instruction is found then return
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* the string and size
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*
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* inputs:
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* pointer to a word stream,
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* disassember table and size
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* returns:
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* instruction size - negative is error
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* disassembly string - on error will constain error string
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*/
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static int Disassemble(const uint16 *data, char **dis,
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TABLE_ENTRY_TYPE *type, const Pool *table,
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int table_size, Dis_info *info)
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{
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for (int i = 0; i < table_size; i++) {
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uint64 op_code = extract_op_code_value(data,
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table[i].instructions_size);
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if ((op_code & table[i].mask) == table[i].value) {
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/* possible match */
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conditional_function cond = table[i].condition;
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if ((cond == NULL) || cond(op_code)) {
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if (table[i].type == pool) {
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return Disassemble(data, dis, type,
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table[i].next_table,
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table[i].next_table_size,
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info);
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} else if ((table[i].type == instruction) ||
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(table[i].type == call_instruction) ||
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(table[i].type == branch_instruction) ||
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(table[i].type == return_instruction)) {
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disassembly_function dis_fn = table[i].disassembly;
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if (dis_fn == 0) {
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*dis = g_strdup(
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"disassembler failure - bad table entry");
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return -6;
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}
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*type = table[i].type;
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*dis = dis_fn(op_code, info);
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return table[i].instructions_size;
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} else {
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*dis = g_strdup("reserved instruction");
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return -2;
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}
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}
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}
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}
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*dis = g_strdup("failed to disassemble");
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return -1; /* failed to disassemble */
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}
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static bool nanomips_dis(const uint16_t *data, char **buf, Dis_info *info)
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{
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TABLE_ENTRY_TYPE type;
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