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Add thiscall calling convention, mostly for hooking purpose (#14466)

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* Add thiscall calling convention, mostly for hooking purpose
* add changelog and documentation
This commit is contained in:
Huy Doan 2020-05-27 21:24:47 +07:00 • committed by GitHub
commit 00fa7a5747
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6 changed files with 13 additions and 4 deletions
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3
compiler/ast.nim
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@ -25,12 +25,13 @@ type
ccInline, # proc should be inlined
ccNoInline, # proc should not be inlined
ccFastCall, # fastcall (pass parameters in registers)
ccThisCall, # thiscall (parameters are pushed right-to-left)
ccClosure, # proc has a closure
ccNoConvention # needed for generating proper C procs sometimes
const
CallingConvToStr*: array[TCallingConvention, string] = ["", "stdcall",
"cdecl", "safecall", "syscall", "inline", "noinline", "fastcall",
"cdecl", "safecall", "syscall", "inline", "noinline", "fastcall", "thiscall",
"closure", "noconv"]
type

2
compiler/ccgtypes.nim
View file

@ -238,7 +238,7 @@ const
"N_STDCALL", "N_CDECL", "N_SAFECALL",
"N_SYSCALL", # this is probably not correct for all platforms,
# but one can #define it to what one wants
"N_INLINE", "N_NOINLINE", "N_FASTCALL", "N_CLOSURE", "N_NOCONV"]
"N_INLINE", "N_NOINLINE", "N_FASTCALL", "N_THISCALL", "N_CLOSURE", "N_NOCONV"]
proc cacheGetType(tab: TypeCache; sig: SigHash): Rope =
# returns nil if we need to declare this type

4
compiler/wordrecg.nim
View file

@ -51,7 +51,7 @@ type
wLineDir, wStackTrace, wLineTrace, wLink, wCompile,
wLinksys, wDeprecated, wVarargs, wCallconv, wDebugger,
wNimcall, wStdcall, wCdecl, wSafecall, wSyscall, wInline, wNoInline,
wFastcall, wClosure, wNoconv, wOn, wOff, wChecks, wRangeChecks,
wFastcall, wThiscall, wClosure, wNoconv, wOn, wOff, wChecks, wRangeChecks,
wBoundChecks, wOverflowChecks, wNilChecks,
wFloatChecks, wNanChecks, wInfChecks, wStyleChecks, wStaticBoundchecks,
wNonReloadable, wExecuteOnReload,
@ -139,7 +139,7 @@ const
"push", "pop", "define", "undef", "linedir", "stacktrace", "linetrace",
"link", "compile", "linksys", "deprecated", "varargs",
"callconv", "debugger", "nimcall", "stdcall",
"cdecl", "safecall", "syscall", "inline", "noinline", "fastcall", "closure",
"cdecl", "safecall", "syscall", "inline", "noinline", "fastcall", "thiscall", "closure",
"noconv", "on", "off", "checks", "rangechecks", "boundchecks",
"overflowchecks", "nilchecks",
"floatchecks", "nanchecks", "infchecks", "stylechecks", "staticboundchecks",