gh-120400 ：Support Linux perf profile to see Python calls on RISC-V a… · python/cpython@4b1e85b · GitHub

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ixgbe00

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pablogsal

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gh-120400 ：Support Linux perf profile to see Python calls on RISC-V architecture (#120089)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>

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• Misc/NEWS.d/next/Core and Builtins
  • 2024-06-05-06-26-04.gh-issue-
  • 2024-06-12-12-29-45.gh-issue-120400.lZYHVS.rst
• Python
  • asm_trampoline.S
• configure.ac
• configure

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‎Misc/NEWS.d/next/Core and Builtins/2024-06-05-06-26-04.gh-issue-‎

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@@ -0,0 +1 @@
	1	+ Support Linux perf profiler to see Python calls on RISC-V architecture

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‎Misc/NEWS.d/next/Core and Builtins/2024-06-12-12-29-45.gh-issue-120400.lZYHVS.rst‎

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@@ -0,0 +1 @@
	1	+ Support Linux perf profiler to see Python calls on RISC-V architecture.

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‎Python/asm_trampoline.S‎

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+8Lines changed: 8 additions & 0 deletions

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@@ -22,6 +22,14 @@ _Py_trampoline_func_start:
22	22	blr x3
23	23	ldp x29, x30, [sp], 16
24	24	ret
	25	+ #endif
	26	+ #ifdef __riscv
	27	+ addi sp,sp,-16
	28	+ sd ra,8(sp)
	29	+ jalr a3
	30	+ ld ra,8(sp)
	31	+ addi sp,sp,16
	32	+ jr ra
25	33	#endif
26	34	.globl _Py_trampoline_func_end
27	35	_Py_trampoline_func_end:

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‎configure‎

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‎configure.ac‎

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Original file line number	Diff line number	Diff line change
@@ -3641,6 +3641,7 @@ AC_MSG_CHECKING([perf trampoline])
3641	3641	AS_CASE([$PLATFORM_TRIPLET],
3642	3642	[x86_64-linux-gnu], [perf_trampoline=yes],
3643	3643	[aarch64-linux-gnu], [perf_trampoline=yes],
	3644	+ [riscv64-linux-gnu], [perf_trampoline=yes],
3644	3645	[perf_trampoline=no]
3645	3646	)
3646	3647	AC_MSG_RESULT([$perf_trampoline])

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