forked from Lephenixnoir/fxos
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
#include "parser.h"
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#include "shell.h"
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//---
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// ms
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//---
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static FxOS::Symbol parse_ms(Session &session, Parser &parser)
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{
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FxOS::Symbol s;
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if(parser.lookahead().type == T::SYSCALL) {
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s.type = FxOS::Symbol::Syscall;
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s.value = parser.expect(T::SYSCALL).value.NUM;
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}
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else {
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s.type = FxOS::Symbol::Address;
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s.value = parser.expr(session.current_space);
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}
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s.name = parser.symbol();
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parser.end();
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return s;
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}
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void _ms(Session &session, Symbol s)
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{
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if(!session.current_space)
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return;
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session.current_space->symbols.add(s);
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}
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static ShellCommand _ms_cmd(
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"ms", [](Session &s, Parser &p) { _ms(s, parse_ms(s, p)); },
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[](Session &s, Parser &p) { parse_ms(s, p); }, "Metadata Symbol", R"(
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ms <address|syscall> <symbol>
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Defines a new symbol at the specified address or syscall number in the current
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virtual space. If a syscall number is provided, the address is not resolved;
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the same syscall symbol can be used across multiple OS versions regardless of
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where the functions are actually located.
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)");
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