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meson: linux-user

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The most interesting or most complicated part here is the syscall_nr.h
generators.  In order to keep the generation logic all in meson.build,
I am adding to config_target the name of the .tbl file, and making the
generated file syscall<SUFFIX>_nr.h for input file syscall<SUFFIX>.tbl.

For architectures where the input file is not named syscall_nr.tbl,
syscall_nr.h has to be a source file; it's just a forwarder for x86
(i386/x86_64), while for MIPS64 it chooses between N32 and N64 ABIs.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2019-08-18 16:13:08 +04:00 • committed by Paolo Bonzini
parent 1a82878a08
commit 3a30446aed
41 changed files with 166 additions and 132 deletions
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12
linux-user/mips64/Makefile.objs
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@ -1,12 +0,0 @@
generated-files-y += linux-user/$(TARGET_ABI_DIR)/syscall_nr.h
syshdr := $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscallhdr.sh
ifeq ($(TARGET_SYSTBL_ABI),n32)
%/syscall_nr.h: $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscall_n32.tbl $(syshdr)
$(call quiet-command, sh $(syshdr) $< $@ n32 "" 6000,"GEN","$@")
endif
ifeq ($(TARGET_SYSTBL_ABI),n64)
%/syscall_nr.h: $(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)/syscall_n64.tbl $(syshdr)
$(call quiet-command, sh $(syshdr) $< $@ n64 "" 5000,"GEN","$@")
endif

6
linux-user/mips64/meson.build Normal file
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@ -0,0 +1,6 @@
syscall_nr_generators += {
'mips64': generator(sh,
arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@',
'', 'TARGET_SYSCALL_OFFSET' ],
output: '@BASENAME@_nr.h')
}

7
linux-user/mips64/syscall_nr.h Normal file
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@ -0,0 +1,7 @@
#ifdef TARGET_ABI_MIPSN32
#define TARGET_SYSCALL_OFFSET 6000
#include "syscall_n32_nr.h"
#else
#define TARGET_SYSCALL_OFFSET 5000
#include "syscall_n64_nr.h"
#endif