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Differential D11199 Diff 29822 contrib/gdb/gdb/dwarf2expr.c

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contrib/gdb/gdb/dwarf2expr.c

Show First 20 Lines • Show All 522 Lines • ▼ Show 20 Lines switch (op)
{ {
case DW_OP_deref: case DW_OP_deref:
{ {
char *buf = alloca (TARGET_ADDR_BIT / TARGET_CHAR_BIT); char *buf = alloca (TARGET_ADDR_BIT / TARGET_CHAR_BIT);
int bytes_read; int bytes_read;
(ctx->read_mem) (ctx->baton, buf, result, (ctx->read_mem) (ctx->baton, buf, result,
TARGET_ADDR_BIT / TARGET_CHAR_BIT); TARGET_ADDR_BIT / TARGET_CHAR_BIT);
result = dwarf2_read_address (buf, result = dwarf2_read_address ((unsigned char *)buf,
buf + (TARGET_ADDR_BIT (unsigned char*)(buf + (TARGET_ADDR_BIT
/ TARGET_CHAR_BIT), / TARGET_CHAR_BIT)),
&bytes_read); &bytes_read);
} }
break; break;
case DW_OP_deref_size: case DW_OP_deref_size:
{ {
char *buf = alloca (TARGET_ADDR_BIT / TARGET_CHAR_BIT); char *buf = alloca (TARGET_ADDR_BIT / TARGET_CHAR_BIT);
int bytes_read; int bytes_read;
(ctx->read_mem) (ctx->baton, buf, result, *op_ptr++); (ctx->read_mem) (ctx->baton, buf, result, *op_ptr++);
result = dwarf2_read_address (buf, result = dwarf2_read_address ((unsigned char *)buf,
buf + (TARGET_ADDR_BIT (unsigned char *)(buf + (TARGET_ADDR_BIT
/ TARGET_CHAR_BIT), / TARGET_CHAR_BIT)),
&bytes_read); &bytes_read);
} }
break; break;
case DW_OP_abs: case DW_OP_abs:
if ((signed int) result < 0) if ((signed int) result < 0)
result = -result; result = -result;
break; break;
case DW_OP_neg: case DW_OP_neg:
result = -result; result = -result;
break; break;
case DW_OP_not: case DW_OP_not:
result = ~result; result = ~result;
break; break;
case DW_OP_plus_uconst: case DW_OP_plus_uconst:
op_ptr = read_uleb128 (op_ptr, op_end, &reg); op_ptr = read_uleb128 (op_ptr, op_end, &reg);
result += reg; result += reg;
break;
default:
break; break;
} }
break; break;
case DW_OP_and: case DW_OP_and:
case DW_OP_div: case DW_OP_div:
case DW_OP_minus: case DW_OP_minus:
case DW_OP_mod: case DW_OP_mod:
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