FreeChainXenon/newlib-cygwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

arc: libgloss: Use long calls attribute for exit_halt

Browse source 
According to GCC documentation for ARC, a function marked with
the long_call attribute is always called using register-indirect
jump-and-link instructions, thereby enabling the called function
to be placed anywhere within the 32-bit address space.

exit_halt function is provided by crt0.S and it's used
in nsim-syscalls.c. Thus, we want to ensure that a linkage
issue will not arise.

Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
This commit is contained in:
Claudiu Zissulescu 2024-05-21 10:56:44 +01:00 • committed by Jeff Johnston
parent 7d386b6dac
commit f84fed5291
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
libgloss/arc/nsim-syscalls.c
View file

@ -1,5 +1,5 @@
/* /*
Copyright (c) 2015, Synopsys, Inc. All rights reserved. Copyright (c) 2015-2024, Synopsys, Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met: modification, are permitted provided that the following conditions are met:
@ -100,7 +100,7 @@ _open (const char * pathname, int flags, int mode)
} }
/* Should be provided by crt0.S. */ /* Should be provided by crt0.S. */
extern void __attribute__((noreturn)) _exit_halt (); extern void __attribute__((noreturn, long_call)) _exit_halt ();
void void
__attribute__((noreturn)) __attribute__((noreturn))