diff options
Diffstat (limited to 'libc/tools')
| -rwxr-xr-x | libc/tools/gensyscalls.py | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/libc/tools/gensyscalls.py b/libc/tools/gensyscalls.py index 5e519de..91e7a57 100755 --- a/libc/tools/gensyscalls.py +++ b/libc/tools/gensyscalls.py @@ -46,6 +46,7 @@ def create_file( relpath ): # x86_header = """/* autogenerated by gensyscalls.py */ +#include <linux/err.h> #include <machine/asm.h> #include <sys/linux-syscalls.h> @@ -56,7 +57,7 @@ x86_registers = [ "%ebx", "%ecx", "%edx", "%esi", "%edi", "%ebp" ] x86_call = """ movl $%(idname)s, %%eax int $0x80 - cmpl $-129, %%eax + cmpl $-MAX_ERRNO, %%eax jb 1f negl %%eax pushl %%eax @@ -75,6 +76,7 @@ END(%(fname)s) # arm_header = """/* autogenerated by gensyscalls.py */ +#include <linux/err.h> #include <machine/asm.h> #include <sys/linux-syscalls.h> @@ -86,9 +88,10 @@ arm_eabi_call_default = arm_header + """\ ldr r7, =%(idname)s swi #0 mov r7, ip - movs r0, r0 - bxpl lr - b __set_syscall_errno + cmn r0, #(MAX_ERRNO + 1) + bxls lr + neg r0, r0 + b __set_errno END(%(fname)s) """ @@ -100,9 +103,10 @@ arm_eabi_call_long = arm_header + """\ ldr r7, =%(idname)s swi #0 ldmfd sp!, {r4, r5, r6, r7} - movs r0, r0 - bxpl lr - b __set_syscall_errno + cmn r0, #(MAX_ERRNO + 1) + bxls lr + neg r0, r0 + b __set_errno END(%(fname)s) """ |