renameat (2a8e7452) calls rename_nid_postfix when both paths are
AT_FDCWD-relative or absolute. Rename.cpp is built into both libc and
libkernel, and on Windows libkernel_sys bound that import to libkernel,
which comes first on its link line. The NID patcher then rewrote the
import to rename's NID, which only libc exports, as libkernel keeps its
copy under the plain name. So libkernel_sys.prx fails to load with error
127 on Windows, and with it every title that imports it. Linux resolves
the symbol globally and was not affected.
rename's body is now RenameGuestPath_nid_no_patch, which both libraries
export under that name, and renameat calls it, the way libkernel_sys
already reaches libkernel's other helpers. rename_nid_postfix forwards
to it, so its behaviour is unchanged.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Dusklight (PPSA99305) imports atanhf (cPGyc5FGjy0) from
libSceLibcInternal.prx; the libc.prx it bundles only has a zero-return
stub for it.
The implementation follows the atanhf of the libc.prx bundled with
PPSA28319 (0x438a0), read from its disassembly: FreeBSD msun's
e_atanhf.c calling msun's s_log1pf.c, both as of 59bc2f09 (stable/9,
the revision the sinhf port took expm1f and expf from). The log1pf
paths for the positive arguments atanhf passes are inlined, as the
exported log1pf is still the host's. For |x| > 1, the infinities and
NaN, Sony's error helper raises FE_INVALID and sets errno to EDOM
before returning (x - x) / (x - x); for |x| = 1 it sets errno to
ERANGE before returning x / 0. Other arguments leave errno alone.
Running that code from the title's libc.prx on a Windows host gives
the same bits, errno and floating-point exceptions as the built
libc.prx for all 2^32 arguments, and msun's own e_atanhf.c and
s_log1pf.c built with the host compiler give the same bits. With the
host log1pf instead of the msun one, 4.7% of the arguments in [0, 1)
differ. guest_math pins bits for every branch reachable from atanhf,
both signs, and the errno and exception behaviour.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
read_bda_span chooses between the span's in-place dword loads and its
per-dword byte fallback, which calls read_bda_dword_bytes. Each shape of
that choice so far hangs a group of NVIDIA drivers: a dispatch never
finishes and the device is lost.
As the two arms of one selection, with the loads emitted in the arm,
it hung drivers 591.86 and 590.48.01 when lanes took both arms (#3291).
As two selections, the loads under the span's condition and the fallback
under its negation (#4759), it hangs 595.97, 596.36, 610.62, 610.74 and
610.57.04 (#4975).
The loads now live in load_bda_span, a DontInline function that calls
nothing, and read_bda_span is one selection again: one arm calls
load_bda_span, the other is the fallback as before. Probe, loads,
lookups, faults and stops are unchanged for every lane.
On an RTX 4090 (Linux, driver 610.57.04) the two-selection shape hangs
agc_driver_scalar_wide_loads and agc_driver_flat_apertures_0..13 in a
build with SPIRV-Tools, and agc_driver_bda_span_reads and
agc_driver_pixel_interlock in a build without. All pass with this
change in both builds. Drivers 591.86, 590.48.01, 595.97, 596.36,
610.62 and 610.74 are not tested; a shape with the loads in their own
DontInline function was reported passing on 591.86 in #3291.
agc_shader_memory now requires that a span read function holds no load
and calls its load function once, and that the load function holds the
four loads and no call.
Refs #4975
PA_CL_VS_OUT_CNTL's clip and cull enables and its misc and distance vector bits reach the recompiler's vertex info (request version 20), the draw key, the vertex-info comparison and the recompile cache key. Registration and draw-time preparation set them the same way the draw does; a program without pos1..pos3 exports gets none, so its artifact does not depend on the register. Guest clip distances share main's gl_ClipDistance array with the all-zero position distance; cull distances need shaderCullDistance. Up to eight clip and cull distances are accepted.
Co-Authored-By: john.maia <hi@johnmaia.dev>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Initialize and Terminate track whether the library is initialized, and
SetVoiceChatState returns success without recording anything: the host has
no system voice chat for a title's own voice chat to announce itself to,
and the state argument is unknown.
GetVoiceChatUsageState keeps throwing. With the state argument unreadable
there is no recorded usage state, and whether the console returns the state
or writes it through an output pointer, and how it encodes it, is unknown.
Misuse throws rather than guessing an error code, as the library's error
codes are unknown.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
_Unwind_Context took its cursor table from LibcUnwind::CursorSlots, a C++
data symbol of libc. On Windows LibcUnwind::Frame holds an _Unwind_Context,
so libSceAgcDriver, which builds frames for its worker sampler, imported
_ZN10LibcUnwind11CursorSlotsE from libc.prx. The NID patcher renames that
export in the patched libc and leaves the import alone, so the patched
libSceAgcDriver, libSceAgc and libSceVideoOut failed to load with error 127
and patched_libraries failed. The table is now file-local and the context
reads it through UnwindCursorSlots_nid_no_patch, which keeps its name on
both sides.
Reports a full game, not a Play First Trial: 0 is written to the uint32_t output and 0 returned; a null pointer returns 0x817D0002.
Signature, value, one-word write and error match sceNpEntitlementAccessGetGameTrialsFlag and sharpemu src/SharpEmu.Libs/Np/NpEntitlementAccessExports.cs:98-116. 0x817D0002 is the parameter error of KytyPS5, prosper and sceNpEntitlementAccessGetEntitlementKey. The library has no initialization state, so none is checked. Update technical debt documentation and add unit test in guest_offline_imports.
They are modules of the console's own shell (VSH), not libraries a title
links. No title in the open PRs, discussions or code references them, and
every export is a stub that throws. Their Share*, ErrorDialog* and
SystemServiceParamGet* exports duplicate libSceShare, libSceErrorDialog
and libSceSystemService (#228, #241).
Co-Authored-By: Claude <noreply@anthropic.com>
The relinker's repeatable --executable converts another executable of the
title beside the output, sharing its libs, app0 and guest modules.
sceSystemServiceLoadExec maps /app0 paths to those executables, passes the
argument list on the new command line and finds the main executable through
APS5_EBOOT. RetroArch (PPSA99169) starts its frontend picker this way.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Adrià
Dean
Dean Galvin
ducloc080202
Rick
Michon
Matheus Lima da Silva
lorkydey
jagrat Singh
Adrià Franch
p3nicillin
Aathish