C++ homebrew has an unreadable symbol table -
everything is _ZN10PxRenderer7DrawImmE... - which makes the disassembly and
symbol list nearly useless. Add an Itanium C++ ABI demangler and run ELF
symbols through it on load, in both ElfReader::LoadSymbols (unstripped EXECs,
which is what a CMake pspdev EBOOT actually contains) and the companion-ELF
path.
The demangling standard is called Itanium for historical reasons - it
was defined for Itanium but ended up being almost universally
applicable.
Written from scratch rather than using __cxa_demangle, which doesn't exist on
MSVC/UWP, or vendoring LLVM's demangler, whose license doesn't fit. Anything
unrecognized (arbitrary constant expressions, decltype) aborts the parse and
the caller gets the original mangled name back, so a caller never sees a
half-parsed result. Recursion is depth-capped since the input comes from a
file we didn't write.
Checked against c++filt as an oracle: of 1089 mangled symbols in a real C++
homebrew EBOOT, one differs; of 55189 from libstdc++/libLLVM/cc1plus, 22
differ and 413 are declined. Fuzzed with 220k mutated and random inputs under
ASan/UBSan.
Also adds a right-click menu to the ImDebugger symbol list.
Note that SymbolMap stores names in char[128], so the longest STL names get
truncated in the UI. Still far more readable than the mangled form.
Co-Authored-By: Claude Opus 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01X3DbkJ8ShYiXU7q5Tv1LZu
libretro/libretro_vulkan.cpp got PPSSPP's libretro core working with
RetroArch's Vulkan integration by globally monkey-patching PPSSPP's Vulkan
loader function pointers (vkCreateInstance, vkCreateDevice,
vkCreateSwapchainKHR, vkAcquireNextImageKHR, vkQueuePresentKHR,
vkQueueSubmit, etc.) so the unmodified VulkanContext class would end up
wrapping RetroArch's already-existing VkInstance/VkDevice instead of
creating its own, and so a fake VkSwapchainKHR (a self-managed array of
images synced against RetroArch's retro_hw_render_interface_vulkan
callbacks) could stand in for the real swapchain that libretro's Vulkan
model doesn't have. Flagged in-code as "a wacky wrapper".
Replaces that with first-class support in VulkanContext for the two things
libretro actually needs:
- Adopting an externally-created instance/device instead of faking
vkCreateInstance/vkCreateDevice: VulkanContext::CreateInstanceExternal()
adopts RetroArch's VkInstance; CreateDevice() gained optional
extraDeviceExtensions/extraRequiredFeatures params so RetroArch's
requirements get merged into a real vkCreateDevice() call;
ownsInstance_/ownsDevice_ flags (the latter set via
SetDeviceExternallyOwned()) mean DestroyInstance()/DestroyDevice() skip
the real vkDestroy* calls when something else owns the object, without
needing to intercept anything. VulkanLoader gained
VulkanLoadFromGetInstanceProcAddr() for bootstrapping from a
host-supplied proc-addr getter instead of dlopen/dlsym-ing the loader
ourselves - vkGetDeviceProcAddr is resolved via the real instance handle
(not NULL), since per the Vulkan spec it's not one of the handful of
commands queryable with a NULL instance.
- A pluggable presentation backend (Common/GPU/Vulkan/VulkanPresentation.h)
for hosts with no real VK_KHR_swapchain, replacing the fake-swapchain-
handle trick. VulkanContext::GetPresentation() is null by default, so
every existing platform's real-swapchain code path is untouched;
libretro/LibretroVulkanPresentation implements this interface directly
against retro_hw_render_interface_vulkan, as real class state instead of
file-scope globals. Several pieces of state that are normally only
populated as a side effect of ReinitSurface()/InitSwapchain() - the
graphics queue/queue family index (ChooseQueue() is entangled with
real-surface presentation-support checks), the swapchain format, and
the available present modes - needed presentation-aware fallbacks since
libretro never calls that real-surface path at all.
libretro/LibretroVulkanContext.cpp now drives VulkanContext's real, public
API directly - no more hijacked function pointers, no more fake surface or
swapchain. libretro/libretro_vulkan.cpp is deleted.
Verified with a full build+run in RetroArch (not just compile-time
checks): the libretro Makefile doesn't track header dependencies
(cl.exe doesn't support -MMD/-MP, and Makefile.common never sets up an
equivalent), so a `make clean` full rebuild is required after any header
change to avoid linking stale object code from before the change - several
of the fixes above were initially masked by exactly that.
Common and basis_universal call zstd functions directly but never
declared the dependency after being split into their own
CMakeLists.txt files, relying on directory-scope include_directories()
that no longer reached them. Worked on Linux via system zstd.h, but
broke the Android NDK build which has no such fallback.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01XMv4XdM5dThs9Avr5FPXRv
gason, vma, cityhash, 7zip (ext/lzma-sdk), basis_universal, pugixml,
kirk (ext/libkirk), sfmt19937, xbrz, and xxhash were each defined with
a small add_library() block directly in the root CMakeLists.txt, even
though ext/CMakeLists.txt already exists and handles every other vendor
library (freetype, imgui, naett, discord-rpc, libchdr, zstd, miniupnp,
armips, glew, snappy, ...) via add_subdirectory(). Gave each one its
own ext/<name>/CMakeLists.txt to match that established pattern; xxhash
stays a loose file pair in ext/ (it never had its own directory) so its
add_library() lives directly in ext/CMakeLists.txt instead.
ext/libkirk/CMakeLists.txt already existed but was dead - nothing
add_subdirectory()'d it, and its source list was stale (missing
amctrl.c/.h, which the live inline definition in root had). Replaced
its contents with the current, correct list instead of leaving two
diverging definitions around.
Dropped several target_include_directories()/include_directories()
calls that came along with these (e.g. cityhash, kirk, xbrz, xxhash,
and the lzma-sdk one for 7zip): traced their actual consumers and found
each library's own sources resolve their sibling headers via the
default same-directory quote-include rule, and every external consumer
already uses the full "ext/<name>/..." path resolved through the global
root include - so these were dead weight regardless of position.
Replaced two single-value alias variables (LIB7ZIP_LIBRARY, always
"7zip"; BASISU_LIBRARIES, always "basis_universal") with their target
names directly in Common/CMakeLists.txt, rather than trying to carry
them across the new add_subdirectory boundary - plain set() variables
don't propagate back up out of a child scope without PARENT_SCOPE, so
keeping them as-was would have silently broken Common's link line.
Verified with a fully clean rebuild (removed build/ entirely), a
HEADLESS=ON UNITTEST=ON build, and a LIBRETRO=ON build.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01PSNaZnHCjmryS3ziVN9gZU
Mirrors the earlier Common extraction. The old "core" target folded in
all of GPU/ (~200 files) plus a few ext/ files wholesale; Windows
already treats GPU as its own project (GPU.vcxproj), so GPU/CMakeLists.txt
splits that out too. GPU has a genuine two-way dependency with Core
(Core/System.cpp calls GPU_Init(), GPU/* calls back into Core for
Memory/Config/CoreTiming/etc), so GPU is a CMake OBJECT library: its
object files are always included wherever consumed instead of being
lazily pulled from an archive, avoiding the GNU ld single-pass
archive-ordering problem a two-way STATIC dependency would hit.
Also fixed a few library misattributions discovered while tracing what
each file actually uses:
- GlslangLibs (glslang/spirv-cross) moved from Core to Common, since
it's Common/GPU/ShaderTranslation.cpp and VulkanContext.cpp that
call into it directly. It only worked before because Core happened
to always be linked after Common.
- ZSTD and OPENGL_LIBRARIES/X11_LIBRARIES moved from Core to GPU,
matching where they're actually called (GPU/Debugger/Record.cpp and
Playback.cpp for ZSTD, GPU/GLES for raw gl*() calls).
- GPU also needs Ext::Snappy directly (Playback.cpp calls
snappy_uncompress) and the libretro-common include dir under
LIBRETRO, both previously inherited for free by accident.
Also fixed USE_DISCORD's add_compile_definitions ordering: it was
being defined after ppsspp_ui's add_library call, so the UI target
never actually saw it on non-MSVC platforms.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01PSNaZnHCjmryS3ziVN9gZU
First step of breaking up the monolithic root CMakeLists.txt: move the
add_library(Common STATIC ...) target definition, and every scattered
target_link_libraries/target_compile_definitions/target_include_directories
call touching it, into Common/CMakeLists.txt, pulled in via
add_subdirectory(Common).
Source paths are now relative to Common/ instead of prefixed with
"Common/". The two files living outside that directory (ext/jpge/*)
use ${CMAKE_SOURCE_DIR}/... instead.
include_directories(Common) stays in the root file rather than moving
into Common/CMakeLists.txt: it's a directory-scope command that needs
to affect targets defined *later* in the root file, and add_subdirectory
scope doesn't propagate upward or sideways, so moving it would have
silently broken unprefixed #includes elsewhere in the project.
add_subdirectory(Common) is placed at the point where the *last*
prerequisite variable it needs (PNG_LIBRARIES, RT_LIB, ATOMIC_LIB, etc.)
is guaranteed already set, not where the old add_library(Common ...)
used to start - some of those are resolved later in the file than
Common's original position was.
Verified with a clean ./b.sh --debug rebuild and a HEADLESS=ON
UNITTEST=ON reconfigure/build.
Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01PSNaZnHCjmryS3ziVN9gZU
Now builds on Playbook and Dev Alpha
Make emulator more compatible with other OS (case sensitivity, defines, includes)
Uses Android's code paths and backend
Henrik RydgårdandClaude Opus 5
Sacha
Unknown W. Brackets
MrOrdinaire