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ARM: Fix system call handling in arm-mes-gcc. 

* lib/linux/arm-mes-gcc/syscall.c (_sys_call, _sys_call1, _sys_call2,
_sys_call3, _sys_call4, _sys_call5, _sys_call6): Modify.
This commit is contained in:
Danny Milosavljevic 2019-03-11 16:33:40 +01:00 committed by Jan Nieuwenhuizen
parent 25a0e13501
commit e5f326040d
No known key found for this signature in database
GPG Key ID: F3C1A0D9C1D65273
1 changed files with 6 additions and 6 deletions
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12
lib/linux/arm-mes-gcc/syscall.c
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@ -29,7 +29,7 @@ _sys_call (long sys_call)
asm (
"mov r7, %1\n\t"
"swi $0\n\t"
"mov r0, %0\n\t"
"mov %0, r0\n\t"
: "=r" (r)
: "r" (sys_call)
: "r0" // , "r7" // error: r7 cannot be used in asm here
@ -52,7 +52,7 @@ _sys_call1 (long sys_call, long one)
"mov r7, %1\n\t"
"mov r0, %2\n\t"
"swi $0\n\t"
"mov r0, %0\n\t"
"mov %0, r0\n\t"
: "=r" (r)
: "r" (sys_call), "r" (one)
: "r0"
@ -76,7 +76,7 @@ _sys_call2 (long sys_call, long one, long two)
"mov r0, %2\n\t"
"mov r1, %3\n\t"
"swi $0\n\t"
"mov r0, %0\n\t"
"mov %0, r0\n\t"
: "=r" (r)
: "r" (sys_call), "r" (one), "r" (two)
: "r0", "r1"
@ -101,7 +101,7 @@ _sys_call3 (long sys_call, long one, long two, long three)
"mov r1, %3\n\t"
"mov r2, %4\n\t"
"swi $0\n\t"
"mov r0, %0\n\t"
"mov %0, r0\n\t"
: "=r" (r)
: "r" (sys_call), "r" (one), "r" (two), "r" (three)
: "r0", "r1", "r2"
@ -127,7 +127,7 @@ _sys_call4 (long sys_call, long one, long two, long three, long four)
"mov r2, %4\n\t"
"mov r3, %5\n\t"
"swi $0\n\t"
"mov r0, %0\n\t"
"mov %0, r0\n\t"
: "=r" (r)
: "r" (sys_call), "r" (one), "r" (two), "r" (three), "r" (four)
: "r0", "r1", "r2", "r3"
@ -155,7 +155,7 @@ _sys_call6 (long sys_call, long one, long two, long three, long four, long five,
"mov r4, %6\n\t"
"mov r5, %7\n\t"
"swi $0\n\t"
"mov r0, %0\n\t"
"mov %0, r0\n\t"
: "=r" (r)
: "r" (sys_call), "r" (one), "r" (two), "r" (three), "r" (four), "r" (five), "r" (six)
: "r0", "r1", "r2", "r3", "r4", "r5"