Concept: druntime getting rid of libc dependency - #23498

Draft

denizzzka wants to merge 32 commits into

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denizzzka:libc_gone

Commits on Jul 31, 2026

core.system.Mem.reallocate alias added and used in registerGCFactory()
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327e916
core.system.Mem: allocate and free aliases added and used in Runtime.loadLibrary()
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2cb303c
Mem.allocateBlank() added
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90237dc
calloc() and free() replaced by Mem in core.internal.gc.os module
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c8e5b4e
Mem.allocateBlank() on Posix uses calloc()
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f17cea9
module rt.minfo now uses core.system.Mem
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6c69083
core.internal.gc.impl.manual.gc uses core.system.Mem
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afb47cc
module core.runtime uses core.system.Mem
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80eff15
core.gc.registry uses core.system.Mem
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95a13a7
rt.dmain2: core.stdc.stdlib.alloca() replaced by Mem.allocateOnStack
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f121ab9
rt.dmain2: free, malloc, realloc replaced by Mem.* calls
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6f8d22b

Commits on Aug 1, 2026

Merge branch 'master' into libc_gone
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c2658a3
allocateBlank() commented-out code removed
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8ae2a8f
Mem.allocate -> Mem.allocateOne
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01dc104
allocateBlank() -> allocateOneBlank()
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417361a
allocateFew() and allocateFewBlank() added
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85de307
GC Config: initialization method does not need access to the outer scope
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76191c4
Merge branch 'gc_cfg_init_changed' into libc_gone
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a34c6de
GC Config defined in core.system.Opt
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f20ede3
Opt.Config -> Opt.GcConfig
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7075d9f
Attempt to fix build fo Windows by adding module core.system.opt
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21fb5a1

Commits on Aug 2, 2026

druntime: -debug=PRINTF compilation fix
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4b9b386
core.system: Sys.abort() and printf() added
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b426feb
core.system comment about debugging added, aliases added
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43eb8f8
more correct printf result value check
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ec6e2ec
Sys.print() added
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e79d4d2
core.system.Sys.printf() implemented (depends on libc version) and used
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f82da6f
Sys.print() can print non-null-terminated strings
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b8d39b9

Commits on Aug 3, 2026

free() -> freeMem()
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c188f6c
core.system.Mem code moved to new core.system.memory module
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3755f54
Merge branch 'master' into libc_gone
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8298709

Commits on Aug 5, 2026

modules renamed: core.system.* -> core.internal.config.*
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5de3953