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| author | H.J. Lu <hjl.tools@gmail.com> | 2024-02-13 08:40:52 -0800 |
|---|---|---|
| committer | H.J. Lu <(no_default)> | 2024-02-14 11:56:26 -0800 |
| commit | 67ce5c97167a60cb845b9f3f55186c00fc5df078 (patch) | |
| tree | c59fdc6ba64ad085335ed824c1b2b45ca454a340 /gcc | |
| parent | 2c2f57e4158924467afbf4c2fd3938e507287dab (diff) | |
| download | gcc-67ce5c97167a60cb845b9f3f55186c00fc5df078.zip gcc-67ce5c97167a60cb845b9f3f55186c00fc5df078.tar.gz gcc-67ce5c97167a60cb845b9f3f55186c00fc5df078.tar.bz2 | |
x86: Support x32 and IBT in heap trampoline
Add x32 and IBT support to x86 heap trampoline implementation with a
testcase.
2024-02-13 Jakub Jelinek <jakub@redhat.com>
H.J. Lu <hjl.tools@gmail.com>
libgcc/
PR target/113855
* config/i386/heap-trampoline.c (trampoline_insns): Add IBT
support and pad to the multiple of 4 bytes. Use movabsq
instead of movabs in comments. Add -mx32 variant.
gcc/testsuite/
PR target/113855
* gcc.dg/heap-trampoline-1.c: New test.
* lib/target-supports.exp (check_effective_target_heap_trampoline):
New.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/heap-trampoline-1.c | 23 | ||||
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 12 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/heap-trampoline-1.c b/gcc/testsuite/gcc.dg/heap-trampoline-1.c new file mode 100644 index 0000000..1aebe00 --- /dev/null +++ b/gcc/testsuite/gcc.dg/heap-trampoline-1.c @@ -0,0 +1,23 @@ +/* { dg-do run { target heap_trampoline } } */ +/* { dg-options "-ftrampoline-impl=heap" } */ + +__attribute__((noipa)) int +bar (int (*fn) (int)) +{ + return fn (42) + 1; +} + +int +main () +{ + int a = 0; + int foo (int x) { if (x != 42) __builtin_abort (); return ++a; } + if (bar (foo) != 2 || a != 1) + __builtin_abort (); + if (bar (foo) != 3 || a != 2) + __builtin_abort (); + a = 42; + if (bar (foo) != 44 || a != 43) + __builtin_abort (); + return 0; +} diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index 6ce8557..8171599 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -13477,3 +13477,15 @@ proc dg-require-python-h { args } { eval lappend extra-tool-flags $python_flags verbose "After appending, extra-tool-flags: ${extra-tool-flags}" 3 } + +# Return 1 if the target supports heap-trampoline, 0 otherwise. +proc check_effective_target_heap_trampoline {} { + if { [istarget aarch64*-*-linux*] + || [istarget i?86-*-darwin*] + || [istarget x86_64-*-darwin*] + || [istarget i?86-*-linux*] + || [istarget x86_64-*-linux*] } { + return 1 + } + return 0 +} |