gh-96143: Allow Linux perf profiler to see Python calls (GH-96123)

:warning:  :warning: Note for reviewers, hackers and fellow systems/low-level/compiler engineers :warning: :warning: 

If you have a lot of experience with this kind of shenanigans and want to improve the **first** version, **please make a PR against my branch** or **reach out by email** or **suggest code changes directly on GitHub**. 

If you have any **refinements or optimizations** please, wait until the first version is merged before starting hacking or proposing those so we can keep this PR productive.

1 files changed, 30 insertions, 0 deletions

diff --git a/configure b/configure
index fc7f7faded..9522977c8c 100755
--- a/configure
+++ b/configure
@@ -861,6 +861,7 @@ LIBEXPAT_CFLAGS
 TZPATH
 LIBUUID_LIBS
 LIBUUID_CFLAGS
+PERF_TRAMPOLINE_OBJ
 SHLIBS
 CFLAGSFORSHARED
 LINKFORSHARED
@@ -11498,6 +11499,35 @@ esac
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SHLIBS" >&5
 $as_echo "$SHLIBS" >&6; }
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking perf trampoline" >&5
+$as_echo_n "checking perf trampoline... " >&6; }
+case $PLATFORM_TRIPLET in #(
+  x86_64-linux-gnu) :
+    perf_trampoline=yes ;; #(
+  aarch64-linux-gnu) :
+    perf_trampoline=yes ;; #(
+  *) :
+    perf_trampoline=no
+ ;;
+esac
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $perf_trampoline" >&5
+$as_echo "$perf_trampoline" >&6; }
+
+if test "x$perf_trampoline" = xyes; then :
+
+
+$as_echo "#define PY_HAVE_PERF_TRAMPOLINE 1" >>confdefs.h
+
+  PERF_TRAMPOLINE_OBJ=Objects/asm_trampoline.o
+
+    if test "x$Py_DEBUG" = xtrue; then :
+
+    as_fn_append BASECFLAGS " -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer"
+
+fi
+
+fi
+
 
 # checks for libraries
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sendfile in -lsendfile" >&5