Create programs/bpf/c/sdk/

This commit is contained in:
Michael Vines
2018-10-29 15:40:12 -07:00
parent f0aa14e135
commit e284af33b9
9 changed files with 113 additions and 112 deletions

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@ -14,7 +14,7 @@ echo --- Creating tarball
git rev-parse HEAD
) > bpf-sdk/version.txt
cp -ra programs/bpf/c/* bpf-sdk/
cp -ra programs/bpf/c/sdk/* bpf-sdk/
tar jvcf bpf-sdk.tar.bz2 bpf-sdk/
)

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@ -1,105 +1 @@
ifneq ($(V),1)
_@ :=@
endif
INC_DIRS := -I.
SRC_DIR := ./src
OUT_DIR := ./out
OS=$(uname)
ifeq ($(OS),Darwin)
LLVM_DIR := $(brew --prefix llvm)
else
LLVM_DIR := /usr/local/opt/llvm
endif
CC = $(LLVM_DIR)/bin/clang
CC_FLAGS = \
-Werror \
-target \
bpf -O2 \
-emit-llvm \
-fno-builtin
LD = $(LLVM_DIR)/bin/llc
LD_FLAGS = \
-march=bpf \
-filetype=obj \
-function-sections
OBJ_DUMP = $(LLVM_DIR)/bin/llvm-objdump
OBJ_DUMP_FLAGS = \
-color \
-source \
-disassemble
help:
@echo 'BPF Program makefile'
@echo ''
@echo 'This makefile will build BPF Programs from C source files into ELFs'
@echo ''
@echo 'Assumptions:'
@echo ' - Programs are a single .c source file (may include headers)'
@echo ' - Programs are located in the source directory: $(SRC_DIR)'
@echo ' - Programs are named by their basename (eg. file name:foo.c -> program name:foo)'
@echo ' - Output files will be placed in the directory: $(OUT_DIR)'
@echo ''
@echo 'User settings'
@echo ' - The following setting are overridable on the command line, default values shown'
@echo ' - Show commands:'
@echo ' V=1'
@echo ' - List of include dirs:'
@echo ' INC_DIRS=$(INC_DIRS)'
@echo ' - Location of source files:'
@echo ' SRC_DIR=$(SRC_DIR)'
@echo ' - Location to place output files:'
@echo ' OUT_DIR=$(OUT_DIR)'
@echo ' - Location of LLVM:'
@echo ' LLVM_DIR=$(LLVM_DIR)'
@echo ''
@echo 'Usage:'
@echo ' - make help - This help message'
@echo ' - make all - Builds all the programs in the directory: $(SRC_DIR)'
@echo ' - make clean - Cleans all programs'
@echo ' - make dump_<program name> - Dumps the contents of the program to stdout'
@echo ' - make <program name> - Build a single program by name'
@echo ''
@echo 'Available programs:'
$(foreach name, $(PROGRAM_NAMES), @echo ' - $(name)'$(\n))
@echo ''
@echo 'Example:'
@echo ' - Assuming a programed named foo (src/foo.c)'
@echo ' - make foo INC_DIRS='-I. -Isrc''
@echo ' - make dump_foo'
.PRECIOUS: $(OUT_DIR)/%.bc
$(OUT_DIR)/%.bc: $(SRC_DIR)/%.c
$(_@)mkdir -p $(OUT_DIR)
$(_@)$(CC) $(CC_FLAGS) $(INC_DIRS) -o $@ -c $< -MMD -MF $(@:.bc=.d)
.PRECIOUS: $(OUT_DIR)/%.o
$(OUT_DIR)/%.o: $(OUT_DIR)/%.bc
$(_@)$(LD) $(LD_FLAGS) -o $@ $<
-include $(wildcard $(OUT_DIR)/*.d)
PROGRAM_NAMES := $(notdir $(basename $(wildcard src/*.c)))
define \n
endef
%: $(addprefix $(OUT_DIR)/, %.o)
@echo $@ up to date
.PHONY: help all dump clean
all: $(PROGRAM_NAMES)
dump_%: %
$(_@)$(OBJ_DUMP) $(OBJ_DUMP_FLAGS) $(addprefix $(OUT_DIR)/, $(addsuffix .o, $<))
clean:
$(_@)rm -rf $(OUT_DIR)
include sdk/bpf.mk

107
programs/bpf/c/sdk/bpf.mk Normal file
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@ -0,0 +1,107 @@
all:
.PHONY: help all clean
ifneq ($(V),1)
_@ :=@
endif
INC_DIRS :=
SYSTEM_INC_DIRS := -isystem $(dir $(lastword $(MAKEFILE_LIST)))/inc
SRC_DIR := ./src
OUT_DIR := ./out
OS=$(uname)
ifeq ($(OS),Darwin)
LLVM_DIR := $(brew --prefix llvm)
else
LLVM_DIR := /usr/local/opt/llvm
endif
CC = $(LLVM_DIR)/bin/clang
CC_FLAGS = \
-Werror \
-target \
bpf -O2 \
-emit-llvm \
-fno-builtin
LD = $(LLVM_DIR)/bin/llc
LD_FLAGS = \
-march=bpf \
-filetype=obj \
-function-sections
OBJ_DUMP = $(LLVM_DIR)/bin/llvm-objdump
OBJ_DUMP_FLAGS = \
-color \
-source \
-disassemble
help:
@echo 'BPF Program makefile'
@echo ''
@echo 'This makefile will build BPF Programs from C source files into ELFs'
@echo ''
@echo 'Assumptions:'
@echo ' - Programs are a single .c source file (may include headers)'
@echo ' - Programs are located in the source directory: $(SRC_DIR)'
@echo ' - Programs are named by their basename (eg. file name:foo.c -> program name:foo)'
@echo ' - Output files will be placed in the directory: $(OUT_DIR)'
@echo ''
@echo 'User settings'
@echo ' - The following setting are overridable on the command line, default values shown'
@echo ' - Show commands:'
@echo ' V=1'
@echo ' - List of include dirs:'
@echo ' INC_DIRS=$(INC_DIRS)'
@echo ' - Location of source files:'
@echo ' SRC_DIR=$(SRC_DIR)'
@echo ' - Location to place output files:'
@echo ' OUT_DIR=$(OUT_DIR)'
@echo ' - Location of LLVM:'
@echo ' LLVM_DIR=$(LLVM_DIR)'
@echo ''
@echo 'Usage:'
@echo ' - make help - This help message'
@echo ' - make all - Builds all the programs in the directory: $(SRC_DIR)'
@echo ' - make clean - Cleans all programs'
@echo ' - make dump_<program name> - Dumps the contents of the program to stdout'
@echo ' - make <program name> - Build a single program by name'
@echo ''
@echo 'Available programs:'
$(foreach name, $(PROGRAM_NAMES), @echo ' - $(name)'$(\n))
@echo ''
@echo 'Example:'
@echo ' - Assuming a programed named foo (src/foo.c)'
@echo ' - make foo'
@echo ' - make dump_foo'
.PRECIOUS: $(OUT_DIR)/%.bc
$(OUT_DIR)/%.bc: $(SRC_DIR)/%.c
$(_@)mkdir -p $(OUT_DIR)
$(_@)$(CC) $(CC_FLAGS) $(SYSTEM_INC_DIRS) $(INC_DIRS) -o $@ -c $< -MMD -MF $(@:.bc=.d)
.PRECIOUS: $(OUT_DIR)/%.o
$(OUT_DIR)/%.o: $(OUT_DIR)/%.bc
$(_@)$(LD) $(LD_FLAGS) -o $@ $<
-include $(wildcard $(OUT_DIR)/*.d)
PROGRAM_NAMES := $(notdir $(basename $(wildcard src/*.c)))
define \n
endef
all: $(PROGRAM_NAMES)
%: $(addprefix $(OUT_DIR)/, %.o)
@echo $@ up to date
dump_%: %
$(_@)$(OBJ_DUMP) $(OBJ_DUMP_FLAGS) $(addprefix $(OUT_DIR)/, $(addsuffix .o, $<))
clean:
rm -rf $(OUT_DIR)

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@ -3,7 +3,7 @@
* another
*/
#include "sol_bpf_c.h"
#include <sol_bpf_c.h>
/**
* Numer of SolKeyedAccounts expected. The program should bail if an

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@ -3,7 +3,7 @@
* passed to it
*/
#include "sol_bpf_c.h"
#include <sol_bpf_c.h>
/**
* Numer of SolKeyedAccounts expected. The program should bail if an

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@ -2,8 +2,7 @@
* @brief TicTacToe Dashboard C-based BPF program
*/
#include "sol_bpf_c.h"
#include <sol_bpf_c.h>
#include "tictactoe.h"
typedef enum {

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@ -2,8 +2,7 @@
* @brief TicTacToe C-based BPF program
*/
#include "sol_bpf_c.h"
#include <sol_bpf_c.h>
#include "tictactoe.h"
#define MAX_GAMES_TRACKED 5