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linux-user: Add preprocessor availability control to some syscalls

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Add ability to target platforms to individually include user-mode
support for system calls from "stat" group of system calls.

This change is related to new nanoMIPS platform in the sense that
it supports a different set of "stat" system calls than any other
target. nanoMIPS does not support structures stat and stat64 at
all. Also, support for certain number of other system calls is
dropped in nanoMIPS (those are most of the time obsoleted system
calls).

Without this patch, build for nanoMIPS would fail.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
This commit is contained in:
Aleksandar Rikalo 2018-08-02 16:16:00 +02:00 • committed by Aleksandar Markovic
parent 977324ac8c
commit 4f7f892420
2 changed files with 42 additions and 1 deletions
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14
linux-user/strace.c
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@ -2304,7 +2304,19 @@ print_statfs(const struct syscallname *name,
print_pointer(arg1, 1);
print_syscall_epilogue(name);
}
#define print_statfs64 print_statfs
#endif
#ifdef TARGET_NR_statfs64
static void
print_statfs64(const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5)
{
print_syscall_prologue(name);
print_string(arg0, 0);
print_pointer(arg1, 1);
print_syscall_epilogue(name);
}
#endif
#ifdef TARGET_NR_symlink