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raw and dirty implementation of handling of constant, stack,

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arithmetical and logical operations on DWARF expression stack machine
This commit is contained in:
nnosov
2020-01-11 18:56:03 +04:00
parent abcf050fe8
commit 08ba87ce98
4 changed files with 631 additions and 10 deletions
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framework/sysutils.cpp
+3 -2
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@@ -111,12 +111,12 @@ void print_framereg(int regno)
}
*/
bool __pst_handler::calc_expr_block(Dwarf_Op *exprs, int expr_len, dwarf_stack* stack, Dwarf_Attribute* attr)
bool __pst_handler::calc_expression(Dwarf_Op *exprs, int expr_len, dwarf_stack* stack, Dwarf_Attribute* attr)
{
for (int i = 0; i < expr_len; i++) {
const dwarf_op_map* map = find_op_map(exprs[i].atom);
if(!map) {
ctx.log(SEVERITY_ERROR, "Unknown operation type 0x%hhX", exprs[i].atom);
ctx.log(SEVERITY_ERROR, "Unknown operation type 0x%hhX(0x%lX, 0x%lX)", exprs[i].atom, exprs[i].number, exprs[i].number2);
return false;
}
@@ -125,6 +125,7 @@ bool __pst_handler::calc_expr_block(Dwarf_Op *exprs, int expr_len, dwarf_stack*
}
if(!map->operation(&ctx, map, exprs[i].number, exprs[i].number2)) {
ctx.log(SEVERITY_ERROR, "Failed to calculate %s(0x%lX, 0x%lX) operation", map->op_name, exprs[i].number, exprs[i].number2);
return false;
}
}