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Fix not finding function symbols for hooking (#2292)

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Fixes no useful feedback about failing subcommand.
Fixes function hooks breaking when running under a path containing
spaces.

Replaced old usages with this function where possible.
Complex shell usages now use `execAndGetShell` which is equal to the
old function.
This commit is contained in:
outfoxxed 2023-05-16 13:39:14 -07:00 committed by GitHub
parent 78826c6d18
commit 642030f959
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 25 additions and 5 deletions
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8
nix/default.nix
View file

@ -2,8 +2,10 @@
lib,
stdenv,
pkg-config,
makeWrapper,
meson,
ninja,
binutils,
cairo,
git,
hyprland-protocols,
@ -29,6 +31,7 @@
legacyRenderer ? false,
nvidiaPatches ? false,
withSystemd ? true,
wrapRuntimeDeps ? true,
version ? "git",
commit,
}: let
@ -56,6 +59,7 @@ in
meson
ninja
pkg-config
makeWrapper
];
outputs = [
@ -115,6 +119,10 @@ in
postInstall = ''
ln -s ${wlroots}/include/wlr $dev/include/hyprland/wlroots
${lib.optionalString wrapRuntimeDeps ''
wrapProgram $out/bin/Hyprland \
--suffix PATH : ${lib.makeBinPath [ binutils pciutils ]}
''}
'';
passthru.providedSessions = ["hyprland"];

1
nix/overlays.nix
View file

@ -25,6 +25,7 @@ in {
inherit (final) udis86 hyprland-protocols;
};
hyprland-unwrapped = final.hyprland.override {wrapRuntimeDeps = false;};
hyprland-debug = final.hyprland.override {debug = true;};
hyprland-hidpi = final.hyprland.override {hidpiXWayland = true;};
hyprland-nvidia = final.hyprland.override {nvidiaPatches = true;};

21
src/plugins/PluginAPI.cpp
View file

@ -280,11 +280,11 @@ APICALL std::vector<SFunctionMatch> HyprlandAPI::findFunctionsByName(HANDLE hand
#endif
#ifdef __clang__
static const auto SYMBOLS = execAndGet(("llvm-nm -D -j " + FPATH.string()).c_str());
static const auto SYMBOLSDEMANGLED = execAndGet(("llvm-nm -D -j --demangle " + FPATH.string()).c_str());
static const auto SYMBOLS = execAndGet(("llvm-nm -D -j \"" + FPATH.string() + "\"").c_str());
static const auto SYMBOLSDEMANGLED = execAndGet(("llvm-nm -D -j --demangle \"" + FPATH.string() + "\"").c_str());
#else
static const auto SYMBOLS = execAndGet(("nm -D -j " + FPATH.string()).c_str());
static const auto SYMBOLSDEMANGLED = execAndGet(("nm -D -j --demangle=auto " + FPATH.string()).c_str());
static const auto SYMBOLS = execAndGet(("nm -D -j \"" + FPATH.string() + "\"").c_str());
static const auto SYMBOLSDEMANGLED = execAndGet(("nm -D -j --demangle=auto \"" + FPATH.string() + "\"").c_str());
#endif
auto demangledFromID = [&](size_t id) -> std::string {
@ -301,6 +301,17 @@ APICALL std::vector<SFunctionMatch> HyprlandAPI::findFunctionsByName(HANDLE hand
return SYMBOLSDEMANGLED.substr(pos, SYMBOLSDEMANGLED.find('\n', pos + 1) - pos);
};
if (SYMBOLS.empty()) {
Debug::log(ERR, "Unable to search for function \"%s\": no symbols found in binary (is \"%s\" in path?)", name.c_str(),
#ifdef __clang__
"llvm-nm"
#else
"nm"
#endif
);
return {};
}
std::vector<SFunctionMatch> matches;
std::istringstream inStream(SYMBOLS);
@ -319,4 +330,4 @@ APICALL std::vector<SFunctionMatch> HyprlandAPI::findFunctionsByName(HANDLE hand
}
return matches;
}
}