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| author | Luis Machado <luis.machado@linaro.org> | 2021-12-30 10:45:11 -0300 |
|---|---|---|
| committer | Luis Machado <luis.machado@linaro.org> | 2022-01-14 11:30:25 -0300 |
| commit | 2cf167f926836d7e40931e064ed4441208b7b38f (patch) | |
| tree | a2c8ed6467640aba65721bed94cb98126d4605e8 | |
| parent | c9a3a5c7042c1301e17aa0e6e401af76db9132b1 (diff) | |
| download | gdb-2cf167f926836d7e40931e064ed4441208b7b38f.zip gdb-2cf167f926836d7e40931e064ed4441208b7b38f.tar.gz gdb-2cf167f926836d7e40931e064ed4441208b7b38f.tar.bz2 | |
Preserve tag when passing pointers/capabilities as parameters
Fix a bug where Morello GDB wasn't setting the capability tag when calling a
function by hand, and said function received a pointer/capability as
parameter.
This was observed when attempting to call strlen by hand and passing the
argv[] entries.
| -rw-r--r-- | gdb/aarch64-tdep.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c index 5371cb7..587ccf5 100644 --- a/gdb/aarch64-tdep.c +++ b/gdb/aarch64-tdep.c @@ -2086,7 +2086,8 @@ pass_in_c (struct gdbarch *gdbarch, struct regcache *regcache, /* Write the argument to the capability register. */ regcache->raw_write (regnum, tmpbuf); - if (type->contains_capability ()) + if (type->contains_capability () || type->code () == TYPE_CODE_CAPABILITY + || TYPE_CAPABILITY (type)) { /* We need to read the tags from memory. */ gdb::byte_vector cap = target_read_capability (address); |