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* [glibc/release/2.37/master] hurd: Make exception subcode a long
@ 2023-08-29 21:19 Samuel Thibault
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From: Samuel Thibault @ 2023-08-29 21:19 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0d500bfdc0ce6e4d9c1446a45aa90b292446042a
commit 0d500bfdc0ce6e4d9c1446a45aa90b292446042a
Author: Sergey Bugaev <bugaevc@gmail.com>
Date: Sun Mar 19 18:09:47 2023 +0300
hurd: Make exception subcode a long
On EXC_BAD_ACCESS, exception subcode is used to pass the faulting memory
address, so it needs to be (at least) pointer-sized. Thus, make it into
a long. This matches the corresponding change in GNU Mach.
Message-Id: <20230319151017.531737-5-bugaevc@gmail.com>
(cherry picked from commit d8ee5d614bc485f6d1752dfa0d60524b20945a56)
Diff:
---
hurd/catch-exc.c | 2 +-
hurd/hurd/signal.h | 5 +++--
hurd/hurdfault.c | 2 +-
3 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/hurd/catch-exc.c b/hurd/catch-exc.c
index e8a9c7981f..5ee2233aa9 100644
--- a/hurd/catch-exc.c
+++ b/hurd/catch-exc.c
@@ -31,7 +31,7 @@ _S_catch_exception_raise (mach_port_t port,
mach_msg_type_number_t codeCnt
#else /* Vanilla Mach 3.0 interface. */
integer_t exception,
- integer_t code, integer_t subcode
+ integer_t code, long_integer_t subcode
#endif
)
{
diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h
index 4e9f79b19d..c33f974b1b 100644
--- a/hurd/hurd/signal.h
+++ b/hurd/hurd/signal.h
@@ -51,9 +51,10 @@ struct hurd_signal_preemptor; /* <hurd/sigpreempt.h> */
struct hurd_signal_detail
{
/* Codes from origination Mach exception_raise message. */
- integer_t exc, exc_code, exc_subcode;
+ integer_t exc, exc_code;
+ long_integer_t exc_subcode;
/* Sigcode as passed or computed from exception codes. */
- integer_t code;
+ long_integer_t code;
/* Error code as passed or extracted from exception codes. */
error_t error;
};
diff --git a/hurd/hurdfault.c b/hurd/hurdfault.c
index 069c1c262c..a81e72803f 100644
--- a/hurd/hurdfault.c
+++ b/hurd/hurdfault.c
@@ -45,7 +45,7 @@ _hurdsig_fault_catch_exception_raise (mach_port_t port,
mach_msg_type_number_t codeCnt
#else /* Vanilla Mach 3.0 interface. */
integer_t exception,
- integer_t code, integer_t subcode
+ integer_t code, long_integer_t subcode
#endif
)
{
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