71 lines
1.5 KiB
ArmAsm
71 lines
1.5 KiB
ArmAsm
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@@ text.start
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.g hello
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//Set HELLO variable to 1234
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%% set var="HELLO",
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%- to=1234,
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%% set var="RC_SUCCESS",to=0
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mov r1, %(HELLO)
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ldr.eq r0, [r1]
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nop
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.l world
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//Include other file
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%% include member="myfile"
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//Use the alloc macro
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%* alloc size=r0, align=0x1000,
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%- out=r1,
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svc 0x7b
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adr r2, .my_fd.def
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%* nextrec "OK",fd=r2,
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%- out=.my_fd.out.data
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%* endprocess rc=%(RC_SUCCESS)
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@@ rodata
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.l value
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//Defaults to dd(2)
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dd 0x1234
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dd 0x01'1, 0x02'1, 0xFFEE'2
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.l value.other
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dd "Hello, world!\0"
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//File descriptor
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@@ data
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.l my_fd.def
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%* filedesc ddname="HELLO",recfm="FB",lrecl=200
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@@ bss
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.l my_fd.out
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//Array of 4 integers
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ds int(4)
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//Named array of characters with last label prepended. 200 bytes in length.
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.. data
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ds char(200)
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///////////////////////////////////////////////////////////////////////////////
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%% macro name="nextrec"
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%% param name="ok",type="(OK,KO)"
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%% kwparam name="fd",type="label|reg"
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%% kwparam name="out",type="label|reg"
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%% if val="ok",neq="OK"
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%% abort msg="Error: param 'ok' of macro 'nextrec' must be OK"
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%% endif
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//Handle fd
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%% if type="fd",is="label"
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add r0, pc, %(fd)
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%% elif val="fd",neq=r0
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mov r0, %(fd)
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%% endif
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//Handle out
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%% if type="out",is="label"
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add r1, pc, %(out)
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%% elif val="fd",neq=r0
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mov r1, %(out)
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%% endif
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//Call the privileged service
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svc 0x10
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%% endmacro
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///////////////////////////////////////////////////////////////////////////////
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