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runtime: unify ppc64/ppc64le library entry point
Cq-Include-Trybots: luci.golang.try:gotip-linux-ppc64le_power10 Change-Id: Ifd7861488b1b47a5d30163552b51838f2bef7248 Reviewed-on: https://go-review.googlesource.com/c/go/+/706395 Reviewed-by: Carlos Amedee <carlos@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Keith Randall <khr@google.com> Auto-Submit: Keith Randall <khr@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
qmuntal
Gopher Robot
parent
4ff8a457db
commit
c9257151e5
3 changed files with 60 additions and 197 deletions
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@ -9,6 +9,63 @@
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#include "funcdata.h"
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#include "textflag.h"
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#include "asm_ppc64x.h"
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#include "cgo/abi_ppc64x.h"
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TEXT _rt0_ppc64x_lib(SB),NOSPLIT|NOFRAME,$0
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// This is called with ELFv2 calling conventions. Convert to Go.
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// Allocate argument storage for call to newosproc0.
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STACK_AND_SAVE_HOST_TO_GO_ABI(16)
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MOVD R3, _rt0_ppc64x_lib_argc<>(SB)
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MOVD R4, _rt0_ppc64x_lib_argv<>(SB)
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// Synchronous initialization.
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MOVD $runtime·libpreinit(SB), R12
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MOVD R12, CTR
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BL (CTR)
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// Create a new thread to do the runtime initialization and return.
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MOVD _cgo_sys_thread_create(SB), R12
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CMP $0, R12
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BEQ nocgo
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MOVD $_rt0_ppc64x_lib_go(SB), R3
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MOVD $0, R4
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MOVD R12, CTR
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BL (CTR)
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BR done
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nocgo:
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MOVD $0x800000, R12 // stacksize = 8192KB
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MOVD R12, 8+FIXED_FRAME(R1)
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MOVD $_rt0_ppc64x_lib_go(SB), R12
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MOVD R12, 16+FIXED_FRAME(R1)
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MOVD $runtime·newosproc0(SB),R12
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MOVD R12, CTR
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BL (CTR)
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done:
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// Restore and return to ELFv2 caller.
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UNSTACK_AND_RESTORE_GO_TO_HOST_ABI(16)
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RET
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#ifdef GO_PPC64X_HAS_FUNCDESC
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DEFINE_PPC64X_FUNCDESC(_rt0_ppc64x_lib_go, __rt0_ppc64x_lib_go)
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TEXT __rt0_ppc64x_lib_go(SB),NOSPLIT,$0
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#else
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TEXT _rt0_ppc64x_lib_go(SB),NOSPLIT,$0
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#endif
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MOVD _rt0_ppc64x_lib_argc<>(SB), R3
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MOVD _rt0_ppc64x_lib_argv<>(SB), R4
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MOVD $runtime·rt0_go(SB), R12
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MOVD R12, CTR
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BR (CTR)
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DATA _rt0_ppc64x_lib_argc<>(SB)/8, $0
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GLOBL _rt0_ppc64x_lib_argc<>(SB),NOPTR, $8
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DATA _rt0_ppc64x_lib_argv<>(SB)/8, $0
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GLOBL _rt0_ppc64x_lib_argv<>(SB),NOPTR, $8
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#ifdef GOOS_aix
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#define cgoCalleeStackSize 48
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@ -41,152 +41,5 @@ TEXT _main(SB),NOSPLIT,$-8
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MOVD R12, CTR
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BR (CTR)
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// Paramater save space required to cross-call into _cgo_sys_thread_create
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#define PARAM_SPACE 16
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TEXT _rt0_ppc64_aix_lib(SB),NOSPLIT,$-8
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// Start with standard C stack frame layout and linkage.
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MOVD LR, R0
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MOVD R0, 16(R1) // Save LR in caller's frame.
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MOVW CR, R0 // Save CR in caller's frame
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MOVD R0, 8(R1)
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MOVDU R1, -344-PARAM_SPACE(R1) // Allocate frame.
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// Preserve callee-save registers.
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MOVD R14, 48+PARAM_SPACE(R1)
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MOVD R15, 56+PARAM_SPACE(R1)
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MOVD R16, 64+PARAM_SPACE(R1)
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MOVD R17, 72+PARAM_SPACE(R1)
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MOVD R18, 80+PARAM_SPACE(R1)
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MOVD R19, 88+PARAM_SPACE(R1)
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MOVD R20, 96+PARAM_SPACE(R1)
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MOVD R21,104+PARAM_SPACE(R1)
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MOVD R22, 112+PARAM_SPACE(R1)
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MOVD R23, 120+PARAM_SPACE(R1)
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MOVD R24, 128+PARAM_SPACE(R1)
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MOVD R25, 136+PARAM_SPACE(R1)
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MOVD R26, 144+PARAM_SPACE(R1)
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MOVD R27, 152+PARAM_SPACE(R1)
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MOVD R28, 160+PARAM_SPACE(R1)
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MOVD R29, 168+PARAM_SPACE(R1)
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MOVD g, 176+PARAM_SPACE(R1) // R30
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MOVD R31, 184+PARAM_SPACE(R1)
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FMOVD F14, 192+PARAM_SPACE(R1)
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FMOVD F15, 200+PARAM_SPACE(R1)
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FMOVD F16, 208+PARAM_SPACE(R1)
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FMOVD F17, 216+PARAM_SPACE(R1)
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FMOVD F18, 224+PARAM_SPACE(R1)
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FMOVD F19, 232+PARAM_SPACE(R1)
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FMOVD F20, 240+PARAM_SPACE(R1)
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FMOVD F21, 248+PARAM_SPACE(R1)
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FMOVD F22, 256+PARAM_SPACE(R1)
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FMOVD F23, 264+PARAM_SPACE(R1)
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FMOVD F24, 272+PARAM_SPACE(R1)
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FMOVD F25, 280+PARAM_SPACE(R1)
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FMOVD F26, 288+PARAM_SPACE(R1)
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FMOVD F27, 296+PARAM_SPACE(R1)
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FMOVD F28, 304+PARAM_SPACE(R1)
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FMOVD F29, 312+PARAM_SPACE(R1)
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FMOVD F30, 320+PARAM_SPACE(R1)
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FMOVD F31, 328+PARAM_SPACE(R1)
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// Synchronous initialization.
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MOVD $runtime·reginit(SB), R12
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MOVD R12, CTR
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BL (CTR)
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MOVBZ runtime·isarchive(SB), R3 // Check buildmode = c-archive
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CMP $0, R3
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BEQ done
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MOVD R14, _rt0_ppc64_aix_lib_argc<>(SB)
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MOVD R15, _rt0_ppc64_aix_lib_argv<>(SB)
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MOVD $runtime·libpreinit(SB), R12
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MOVD R12, CTR
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BL (CTR)
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// Create a new thread to do the runtime initialization and return.
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MOVD _cgo_sys_thread_create(SB), R12
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CMP $0, R12
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BEQ nocgo
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MOVD $_rt0_ppc64_aix_lib_go(SB), R3
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MOVD $0, R4
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MOVD R2, 40(R1)
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MOVD 8(R12), R2
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MOVD (R12), R12
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MOVD R12, CTR
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BL (CTR)
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MOVD 40(R1), R2
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BR done
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nocgo:
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MOVD $0x800000, R12 // stacksize = 8192KB
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MOVD R12, 8(R1)
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MOVD $_rt0_ppc64_aix_lib_go(SB), R12
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MOVD R12, 16(R1)
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MOVD $runtime·newosproc0(SB),R12
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MOVD R12, CTR
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BL (CTR)
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done:
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// Restore saved registers.
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MOVD 48+PARAM_SPACE(R1), R14
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MOVD 56+PARAM_SPACE(R1), R15
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MOVD 64+PARAM_SPACE(R1), R16
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MOVD 72+PARAM_SPACE(R1), R17
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MOVD 80+PARAM_SPACE(R1), R18
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MOVD 88+PARAM_SPACE(R1), R19
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MOVD 96+PARAM_SPACE(R1), R20
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MOVD 104+PARAM_SPACE(R1), R21
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MOVD 112+PARAM_SPACE(R1), R22
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MOVD 120+PARAM_SPACE(R1), R23
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MOVD 128+PARAM_SPACE(R1), R24
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MOVD 136+PARAM_SPACE(R1), R25
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MOVD 144+PARAM_SPACE(R1), R26
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MOVD 152+PARAM_SPACE(R1), R27
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MOVD 160+PARAM_SPACE(R1), R28
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MOVD 168+PARAM_SPACE(R1), R29
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MOVD 176+PARAM_SPACE(R1), g // R30
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MOVD 184+PARAM_SPACE(R1), R31
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FMOVD 196+PARAM_SPACE(R1), F14
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FMOVD 200+PARAM_SPACE(R1), F15
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FMOVD 208+PARAM_SPACE(R1), F16
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FMOVD 216+PARAM_SPACE(R1), F17
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FMOVD 224+PARAM_SPACE(R1), F18
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FMOVD 232+PARAM_SPACE(R1), F19
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FMOVD 240+PARAM_SPACE(R1), F20
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FMOVD 248+PARAM_SPACE(R1), F21
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FMOVD 256+PARAM_SPACE(R1), F22
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FMOVD 264+PARAM_SPACE(R1), F23
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FMOVD 272+PARAM_SPACE(R1), F24
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FMOVD 280+PARAM_SPACE(R1), F25
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FMOVD 288+PARAM_SPACE(R1), F26
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FMOVD 296+PARAM_SPACE(R1), F27
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FMOVD 304+PARAM_SPACE(R1), F28
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FMOVD 312+PARAM_SPACE(R1), F29
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FMOVD 320+PARAM_SPACE(R1), F30
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FMOVD 328+PARAM_SPACE(R1), F31
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ADD $344+PARAM_SPACE, R1
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MOVD 8(R1), R0
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MOVFL R0, $0xff
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MOVD 16(R1), R0
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MOVD R0, LR
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RET
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DEFINE_PPC64X_FUNCDESC(_rt0_ppc64_aix_lib_go, __rt0_ppc64_aix_lib_go)
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TEXT __rt0_ppc64_aix_lib_go(SB),NOSPLIT,$0
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MOVD _rt0_ppc64_aix_lib_argc<>(SB), R3
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MOVD _rt0_ppc64_aix_lib_argv<>(SB), R4
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MOVD $runtime·rt0_go(SB), R12
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MOVD R12, CTR
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BR (CTR)
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DATA _rt0_ppc64_aix_lib_argc<>(SB)/8, $0
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GLOBL _rt0_ppc64_aix_lib_argc<>(SB),NOPTR, $8
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DATA _rt0_ppc64_aix_lib_argv<>(SB)/8, $0
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GLOBL _rt0_ppc64_aix_lib_argv<>(SB),NOPTR, $8
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TEXT _rt0_ppc64_aix_lib(SB),NOSPLIT,$0
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JMP _rt0_ppc64x_lib(SB)
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@ -5,60 +5,13 @@
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#include "go_asm.h"
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#include "textflag.h"
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#include "asm_ppc64x.h"
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#include "cgo/abi_ppc64x.h"
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TEXT _rt0_ppc64le_linux(SB),NOSPLIT,$0
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XOR R0, R0 // Make sure R0 is zero before _main
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BR _main<>(SB)
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TEXT _rt0_ppc64le_linux_lib(SB),NOSPLIT|NOFRAME,$0
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// This is called with ELFv2 calling conventions. Convert to Go.
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// Allocate argument storage for call to newosproc0.
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STACK_AND_SAVE_HOST_TO_GO_ABI(16)
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MOVD R3, _rt0_ppc64le_linux_lib_argc<>(SB)
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MOVD R4, _rt0_ppc64le_linux_lib_argv<>(SB)
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// Synchronous initialization.
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MOVD $runtime·libpreinit(SB), R12
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MOVD R12, CTR
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BL (CTR)
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// Create a new thread to do the runtime initialization and return.
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MOVD _cgo_sys_thread_create(SB), R12
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CMP $0, R12
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BEQ nocgo
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MOVD $_rt0_ppc64le_linux_lib_go(SB), R3
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MOVD $0, R4
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MOVD R12, CTR
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BL (CTR)
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BR done
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nocgo:
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MOVD $0x800000, R12 // stacksize = 8192KB
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MOVD R12, 8+FIXED_FRAME(R1)
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MOVD $_rt0_ppc64le_linux_lib_go(SB), R12
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MOVD R12, 16+FIXED_FRAME(R1)
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MOVD $runtime·newosproc0(SB),R12
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MOVD R12, CTR
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BL (CTR)
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done:
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// Restore and return to ELFv2 caller.
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UNSTACK_AND_RESTORE_GO_TO_HOST_ABI(16)
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RET
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TEXT _rt0_ppc64le_linux_lib_go(SB),NOSPLIT,$0
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MOVD _rt0_ppc64le_linux_lib_argc<>(SB), R3
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MOVD _rt0_ppc64le_linux_lib_argv<>(SB), R4
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MOVD $runtime·rt0_go(SB), R12
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MOVD R12, CTR
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BR (CTR)
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DATA _rt0_ppc64le_linux_lib_argc<>(SB)/8, $0
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GLOBL _rt0_ppc64le_linux_lib_argc<>(SB),NOPTR, $8
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DATA _rt0_ppc64le_linux_lib_argv<>(SB)/8, $0
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GLOBL _rt0_ppc64le_linux_lib_argv<>(SB),NOPTR, $8
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JMP _rt0_ppc64x_lib(SB)
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TEXT _main<>(SB),NOSPLIT,$-8
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// In a statically linked binary, the stack contains argc,
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