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Prepare for hello joypad!

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ed
2026-07-28 00:35:02 -04:00
parent dbc459b7e0
commit 02658d3609
9 changed files with 846 additions and 8 deletions
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scripts/build_psyq.ps1
+105 -1
View File
@@ -458,8 +458,112 @@ function build-hello_gte {
}
}
}
build-hello_gte
# build-hello_gte
function build-hello_joypad {
$includes += @()
$path_module = join-path $path_code 'hello_joypad'
$path_duffle = join-path $path_code 'duffle'
$path_atom_metadata = join-path $path_duffle 'word_count.metadata.h'
$path_build_gen = join-path $path_build 'gen'
$src_c = join-path $path_module 'hello_joypad.c'
ps1-meta -unity_root $src_c -metadata $path_atom_metadata -out_root $path_build_gen
$assemble_args = @()
$assemble_args += $f_debug
$assemble_args += $f_optimize_none
$assemble_args += ($f_include + $path_code)
$src_asm_crt = join-path $path_nugget_common 'crt0/crt0.s'
$module_asm_crt = join-path $path_build 'crt0.o'
assemble-unit $src_asm_crt $module_asm_crt $includes $assemble_args
$module_c = join-path $path_build 'hello_joypad_c.o'
$compile_args = @()
$compile_args += $f_debug
$compile_args += $f_optimize_none
# $compile_args += $f_optimize_intrinsics
# $compile_args += $f_optimize_size
# $compile_args += $f_optimize_debug
$compile_args += ($f_include + $path_code)
compile-unit $src_c $module_c $includes $compile_args
$elf = join-path $path_build 'hello_joypad.elf'
$exe = join-path $path_build 'hello_joypad.ps-exe'
$link_args = @()
$link_args += $f_debug
# $link_args += $f_optimize_size
$link_modules = @(
$module_asm_crt,
$module_c
)
link-modules $link_modules $elf $link_args
make-binary $elf $exe
# Post-link: gdb-runtime + dwarf-injection in a single Lua invocation (one luajit cold start).
ps1-meta -unity_root $src_c -metadata $path_atom_metadata -out_root $path_build_gen -passes @('--post-link') ` -extra_args @('--elf', $elf)
$dwarfLineBin = join-path $path_build_gen 'hello_joypad.dwarf_line.bin'
$dwarfArangesBin = join-path $path_build_gen 'hello_joypad.dwarf_aranges.bin'
$dwarfRnglistsBin = join-path $path_build_gen 'hello_joypad.dwarf_rnglists.bin'
$injectElf = join-path $path_build 'hello_joypad.dwarf-injected.elf'
if ((Test-Path $dwarfLineBin) -and (Test-Path $dwarfArangesBin) -and (Test-Path $dwarfRnglistsBin))
{
Write-Host "[build] DWARF-injecting $elf -> $injectElf"
Copy-Item -LiteralPath $elf -Destination $injectElf -Force
# Objcopy call: 3x --update-section for (line, aranges, rnglists).
$f_args = @(
"--update-section=.debug_line=$dwarfLineBin",
"--update-section=.debug_aranges=$dwarfArangesBin",
"--update-section=.debug_rnglists=$dwarfRnglistsBin"
)
& $Objcopy @f_args $injectElf 2>&1 | Out-Null
if ($LASTEXITCODE -ne 0) {
Write-Warning "[build] objcopy F' splice failed (exit $LASTEXITCODE); removing $injectElf"
Remove-Item -LiteralPath $injectElf -ErrorAction SilentlyContinue
return;
}
$dwarfInfoBin = join-path $path_build_gen 'hello_joypad.dwarf_info.bin'
$dwarfAbbrevBin = join-path $path_build_gen 'hello_joypad.dwarf_abbrev.bin'
$dwarfStrBin = join-path $path_build_gen 'hello_joypad.dwarf_str.bin'
$dwarfLocBin = join-path $path_build_gen 'hello_joypad.dwarf_loc.bin'
$dwarfLoclistsBin = join-path $path_build_gen 'hello_joypad.dwarf_loclists.bin'
$g_args = @(
"--update-section=.debug_info=$dwarfInfoBin",
"--update-section=.debug_abbrev=$dwarfAbbrevBin",
"--update-section=.debug_str=$dwarfStrBin",
"--add-section=.debug_loc=$dwarfLocBin",
"--add-section=.debug_loclists=$dwarfLoclistsBin"
)
& $Objcopy @g_args $injectElf 2>&1 | Out-Null
if ($LASTEXITCODE -ne 0) {
Write-Warning "[build] objcopy G' splice failed (exit $LASTEXITCODE); removing $injectElf"
Remove-Item -LiteralPath $injectElf -ErrorAction SilentlyContinue
return;
}
# Baked atoms execute from RAM but are emitted as C data arrays, so their ELF sections lack SHF_EXECINSTR.
# GDB discards line rows for non-code sections. Mark only the debug-copy sections executable.
# The original ELF and PS-EXE remain byte/flag unchanged.
& $Objcopy `
--set-section-flags ".rodata=alloc,load,readonly,code,contents" `
--set-section-flags ".data=alloc,load,data,code,contents" `
$injectElf 2>&1 | Out-Null
if ($LASTEXITCODE -ne 0) {
Write-Warning "[build] atom-section flag update failed (exit $LASTEXITCODE); removing $injectElf"
Remove-Item -LiteralPath $injectElf -ErrorAction SilentlyContinue
}
else {
Write-Host "[build] DWARF-injected ELF: $injectElf"
}
}
}
build-hello_joypad
# NO idea if this works yet...
function Send-ToEmulator { param( [string]$exePath )
scripts/passes/dwarf_injection.lua
+3 -1
View File
@@ -153,6 +153,7 @@ local DW_AT_inline = 0x20 -- DWARF5 §7.7.1: DW_AT_inline (used by a
local DW_AT_decl_file = 0x3A -- DWARF5 §7.7.1: DW_AT_decl_file (1-based file index into the CU's file table)
local DW_AT_decl_line = 0x3B -- DWARF5 §7.7.1: DW_AT_decl_line
-- TODO(Ed): Remove this HARDCODE
-- File index lookup table for the existing main line unit (Unit 2).
-- Provenance paths come back with mixed slashes; we normalize to basename and look up against the line unit's actual file table.
-- Current scope has two provenance basenames: hello_gte_tape.c (the atom's call site) and lottes_tape.h (the component definition).
@@ -162,7 +163,8 @@ local DW_AT_decl_line = 0x3B -- DWARF5 §7.7.1: DW_AT_decl_line
-- headers that are pure macros/typedefs (dsl.h, memory.h, math.h, mips.h, gp.h, gte.h, etc.) never appear.
-- lottes_tape.h is the FIRST include that emits line entries (MipsAtomComp_ declarations), so it is the FIRST entry after the primary file.
local PROVENANCE_BASENAME_TO_FILE_INDEX = {
["hello_gte_tape.c"] = ATOM_SOURCE_FILE_INDEX, -- = 11
["hello_joypad.tape.c"] = ATOM_SOURCE_FILE_INDEX, -- = 11
["hello_gte.tape.c"] = ATOM_SOURCE_FILE_INDEX, -- = 11
["lottes_tape.h"] = 2,
}