109 lines
3.5 KiB
Bash
109 lines
3.5 KiB
Bash
#!/bin/sh
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# Copyright (c) 2015-2021 Solo5 Contributors
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# Copyright (c) 2024 Romain Calascibetta
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#
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# This file is part of Gilbraltar, a bare-metal OS for RaspBerry Pi 5.
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#
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# Permission to use, copy, modify, and/or distribute this software
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# for any purpose with or without fee is hereby granted, provided
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# that the above copyright notice and this permission notice appear
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# in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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# @@CONFIG_TARGET_TRIPLE@@-cc: Gilbraltar wrapper for 'cc'.
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# Generated by configure.sh at build time.
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#
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# Passes through to @@CONFIG_TARGET_CC@ for actual work. Defines all flags
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# required for correct operation when building C code intended for inclusion in
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# a Gilbraltar operating system.
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#
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# Provides a '-z gilbraltar-abi=ABI' option to select the Gilbraltar bindings to
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# use if linking. ABI defaults to 'stub' to accomodate non-Gilbraltar-aware
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# build systems, such as GNU autoconf, which use 'cc'-as-linker to test for the
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# presence of symbols.
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prog="$(basename $0)"
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I="$(dirname $0)/../../include"
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[ ! -d "${I}" ] && echo "$prog: Could not determine include path" 1>&2 && exit 1
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L="$(dirname $0)/../../lib/@@CONFIG_TARGET_TRIPLE@@"
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[ ! -d "${L}" ] && echo "$prog: Could not determine library path" 1>&2 && exit 1
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# we can't really tell if 'cc' is called with no input, but work around the
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# most obvious cases and stop them from "succeeding" and producing an "a.out"
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[ "$#" -lt 1 ] && \
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echo "$prog: No input files. Compilation terminated." 1>&1 && exit 1
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[ "$#" -eq 1 -a "$1" = "-v" ] && exec @@CONFIG_TARGET_CC@@ "$@"
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# default to cc as linker, unless we see args to the contrary
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M=link
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B=rpi5
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Z=
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for arg do
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shift
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if [ -n "${Z}" ]; then
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# handle -z linker-arg
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Z=
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case "$arg" in
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gilbraltar-abi=*)
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B="${arg##*=}"
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continue
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;;
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*)
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set -- "$@" "-z" "$arg"
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continue
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;;
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esac
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fi
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case "$arg" in
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-c|-S|-E)
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M=compile
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;;
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-z)
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if [ -z "${Z}" ]; then
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Z=1
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continue
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fi
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;;
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esac
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set -- "$@" "$arg"
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done
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case ${M} in
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compile)
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[ -n "${__V}" ] && set -x
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exec @@CONFIG_TARGET_CC@@ \
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@@CONFIG_TARGET_CC_CFLAGS@@ \
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-isystem ${I}/@@CONFIG_TARGET_TRIPLE@@ \
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-I ${I} \
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-D__BSD_VISIBLE=0 \
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-D__XSI_VISIBLE=0 \
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-Wall \
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-DAARCH=64 \
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-mcpu=cortex-a76 \
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"$@"
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;;
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link)
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[ -n "${B}" ] && B="-Wl,-T,gilbraltar.ld"
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[ -n "${LDFLAGS}" ] && LDFLAGS=$(echo "-Wl @@CONFIG_TARGET_LD_LDFLAGS@@" | tr ' ' ',')
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[ -n "${__V}" ] && set -x
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exec @@CONFIG_TARGET_CC@@ \
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-L ${L} \
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@@CONFIG_TARGET_CC_CFLAGS@@ \
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-isystem ${I}/@@CONFIG_TARGET_TRIPLE@@ \
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-I ${I} \
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-ffreestanding \
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-fstack-protector-strong \
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"$@" \
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@@CONFIG_TARGET_CC_LDFLAGS@@
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-Wl,${LDFLAGS} \
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${B} \
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-static \
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;;
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esac
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