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Patch tcc to ignore static inside array.

This commit is contained in:
Andrius Štikonas 2021-03-28 00:18:30 +00:00
parent 246cc10ab5
commit aa31fbc95b
11 changed files with 72 additions and 117 deletions
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1
sysa/musl-1.1.24/patches-pass3/tcc_static.patch
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@ -1 +0,0 @@
../patches/tcc_static.patch

112
sysa/musl-1.1.24/patches/tcc_static.patch
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@ -1,112 +0,0 @@
SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
SPDX-License-Identifier: MIT
tinycc-0.9.27 does not support the use of the static keyword within an array length or index.
diff -U3 -r src/internal/syscall.h src/internal/syscall.h
--- src/internal/syscall.h 2019-10-13 22:58:27.000000000 +0100
+++ src/internal/syscall.h 2021-02-01 00:24:02.099200492 +0000
@@ -331,7 +331,7 @@
#define __sys_open_cp(...) __SYSCALL_DISP(__sys_open_cp,,__VA_ARGS__)
#define sys_open_cp(...) __syscall_ret(__sys_open_cp(__VA_ARGS__))
-hidden void __procfdname(char __buf[static 15+3*sizeof(int)], unsigned);
+hidden void __procfdname(char __buf[15+3*sizeof(int)], unsigned);
hidden void *__vdsosym(const char *, const char *);
diff -U3 -r src/network/lookup.h src/network/lookup.h
--- src/network/lookup.h 2019-10-13 22:58:27.000000000 +0100
+++ src/network/lookup.h 2021-02-01 00:27:42.695155110 +0000
@@ -43,9 +43,9 @@
#define MAXADDRS 48
#define MAXSERVS 2
-hidden int __lookup_serv(struct service buf[static MAXSERVS], const char *name, int proto, int socktype, int flags);
-hidden int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags);
-hidden int __lookup_ipliteral(struct address buf[static 1], const char *name, int family);
+hidden int __lookup_serv(struct service buf[MAXSERVS], const char *name, int proto, int socktype, int flags);
+hidden int __lookup_name(struct address buf[MAXADDRS], char canon[256], const char *name, int family, int flags);
+hidden int __lookup_ipliteral(struct address buf[1], const char *name, int family);
hidden int __get_resolv_conf(struct resolvconf *, char *, size_t);
hidden int __res_msend_rc(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int, const struct resolvconf *);
diff -U3 -r src/network/lookup_ipliteral.c src/network/lookup_ipliteral.c
--- src/network/lookup_ipliteral.c 2019-10-13 22:58:27.000000000 +0100
+++ src/network/lookup_ipliteral.c 2021-02-01 00:27:59.955620933 +0000
@@ -9,7 +9,7 @@
#include <ctype.h>
#include "lookup.h"
-int __lookup_ipliteral(struct address buf[static 1], const char *name, int family)
+int __lookup_ipliteral(struct address buf[1], const char *name, int family)
{
struct in_addr a4;
struct in6_addr a6;
diff -U3 -r src/network/lookup_name.c src/network/lookup_name.c
--- src/network/lookup_name.c 2019-10-13 22:58:27.000000000 +0100
+++ src/network/lookup_name.c 2021-02-01 00:28:56.117136509 +0000
@@ -23,7 +23,7 @@
return !*s;
}
-static int name_from_null(struct address buf[static 2], const char *name, int family, int flags)
+static int name_from_null(struct address buf[2], const char *name, int family, int flags)
{
int cnt = 0;
if (name) return 0;
@@ -41,12 +41,12 @@
return cnt;
}
-static int name_from_numeric(struct address buf[static 1], const char *name, int family)
+static int name_from_numeric(struct address buf[1], const char *name, int family)
{
return __lookup_ipliteral(buf, name, family);
}
-static int name_from_hosts(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family)
+static int name_from_hosts(struct address buf[MAXADDRS], char canon[256], const char *name, int family)
{
char line[512];
size_t l = strlen(name);
@@ -130,7 +130,7 @@
return 0;
}
-static int name_from_dns(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, const struct resolvconf *conf)
+static int name_from_dns(struct address buf[MAXADDRS], char canon[256], const char *name, int family, const struct resolvconf *conf)
{
unsigned char qbuf[2][280], abuf[2][512];
const unsigned char *qp[2] = { qbuf[0], qbuf[1] };
@@ -166,7 +166,7 @@
return EAI_FAIL;
}
-static int name_from_dns_search(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family)
+static int name_from_dns_search(struct address buf[MAXADDRS], char canon[256], const char *name, int family)
{
char search[256];
struct resolvconf conf;
@@ -284,7 +284,7 @@
return b->sortkey - a->sortkey;
}
-int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags)
+int __lookup_name(struct address buf[MAXADDRS], char canon[256], const char *name, int family, int flags)
{
int cnt = 0, i, j;
diff -U3 -r src/network/lookup_serv.c src/network/lookup_serv.c
--- src/network/lookup_serv.c 2019-10-13 22:58:27.000000000 +0100
+++ src/network/lookup_serv.c 2021-02-01 00:29:10.357520778 +0000
@@ -9,7 +9,7 @@
#include "lookup.h"
#include "stdio_impl.h"
-int __lookup_serv(struct service buf[static MAXSERVS], const char *name, int proto, int socktype, int flags)
+int __lookup_serv(struct service buf[MAXSERVS], const char *name, int proto, int socktype, int flags)
{
char line[128];
int cnt = 0;

2
sysa/tcc-0.9.27/checksums/tcc-musl-pass1
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@ -1,2 +1,2 @@
9819c29a2c8259883b4a97d6b57f2fdac87b9807ba9594f7c063601a7fe84af9 /after/bin/tcc-musl
6a14de323f7c1e7ae473107a607231f89cf60064c09e83a02362369917a1f483 /after/bin/tcc-musl
dd2f569a10a5bce7a8d264a9a04a86be9c3c1293df64c907370a8d5088c21e65 /after/lib/musl/tcc/libtcc1.a

2
sysa/tcc-0.9.27/checksums/tcc-musl-pass2
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@ -1,2 +1,2 @@
0075b156a9dc64b63150b3cc020692f2242e1b4fffebccc743651e0bda4b5ca4 /after/bin/tcc-musl
c65633cb875609df7aab2225a24334b5853a0b3e097bdb3ba8a0ae80c1bf5bf0 /after/bin/tcc-musl
a650b13efc65073fb851e9db89728089d8845c401f85faaa09801874ab058089 /after/lib/tcc/libtcc1.a

2
sysa/tcc-0.9.27/checksums/tcc-musl-pass3
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@ -1,2 +1,2 @@
fd8fdc967f227f3a8ef4f51226ac8a45b6be78eb0b127d2cdf0a9df0e19451b0 /after/bin/tcc-musl
068384be93b6654d6ad555881eaf24d221cc3edf229465f050fec30c30648047 /after/bin/tcc-musl
a650b13efc65073fb851e9db89728089d8845c401f85faaa09801874ab058089 /after/lib/tcc/libtcc1.a

2
sysa/tcc-0.9.27/checksums/tcc-patched
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@ -1 +1 @@
d9dd8e605c8dfd584216e94df4759b1aeb894bdd3d99937bf0eba28cf875e25a /after/bin/tcc
0bd8c89f8eee4b8e185b404308a79b3cd315a2143f864d7c250a8f088ae1149d /after/bin/tcc

59
sysa/tcc-0.9.27/patches/ignore-static-inside-array.patch Normal file
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@ -0,0 +1,59 @@
SPDX-FileCopyrightText: 2018 Petr Skocik <pskocik@gmail.com>
SPDX-License-Identifier: LGPL-2.0-or-later
From ef668aae1ee2b8bc904c50a13bf58df613b2f0b0 Mon Sep 17 00:00:00 2001
From: Petr Skocik <pskocik@gmail.com>
Date: Fri, 23 Mar 2018 13:19:58 +0100
Subject: [PATCH 1/1] Don't fail on const/restrict/static/* inside []
This patch makes tcc ignore them.
Normally (as per the C standard), They should
be only applicable inside parameter arrays
and affect (const/restrict) the pointer the
array gets converted to.
[matz: fix formatting, add volatile handling, add testcase,
add comment about above deficiency]
---
tccgen.c | 19 +++++++++++++++++--
tests/tests2/100_c99array-decls.c | 34 ++++++++++++++++++++++++++++++++++
tests/tests2/100_c99array-decls.expect | 0
3 files changed, 51 insertions(+), 2 deletions(-)
create mode 100644 tests/tests2/100_c99array-decls.c
create mode 100644 tests/tests2/100_c99array-decls.expect
diff --git tccgen.c tccgen.c
index 7ed89ac..6ef40e4 100644
--- tccgen.c
+++ tccgen.c
@@ -4335,8 +4335,23 @@ static int post_type(CType *type, AttributeDef *ad, int storage, int td)
int saved_nocode_wanted = nocode_wanted;
/* array definition */
next();
- if (tok == TOK_RESTRICT1)
- next();
+ while (1) {
+ /* XXX The optional type-quals and static should only be accepted
+ in parameter decls. The '*' as well, and then even only
+ in prototypes (not function defs). */
+ switch (tok) {
+ case TOK_RESTRICT1: case TOK_RESTRICT2: case TOK_RESTRICT3:
+ case TOK_CONST1:
+ case TOK_VOLATILE1:
+ case TOK_STATIC:
+ case '*':
+ next();
+ continue;
+ default:
+ break;
+ }
+ break;
+ }
n = -1;
t1 = 0;
if (tok != ']') {
--
2.11.4.GIT

2
sysa/tcc-0.9.27/tcc-musl-pass1.sh
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@ -7,6 +7,8 @@ src_unpack() {
}
src_prepare() {
# Note that tcc includes static-link and ignore-static-inside-array patches
# since we do not build from clean checkout.
patch -Np0 -i ../../patches/ignore-duplicate-symbols.patch
}

3
sysa/tcc-0.9.27/tcc-musl-pass2.sh
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@ -8,6 +8,9 @@ src_unpack() {
}
src_prepare() {
# Note that tcc includes static-link and ignore-static-inside-array patches
# since we do not build from clean checkout.
patch -Np0 -i ../../patches/ignore-duplicate-symbols.patch
}

3
sysa/tcc-0.9.27/tcc-musl-pass3.sh
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@ -8,6 +8,9 @@ src_unpack() {
}
src_prepare() {
# Note that tcc includes static-link and ignore-static-inside-array patches
# since we do not build from clean checkout.
:
}

1
sysa/tcc-0.9.27/tcc-patched.kaem
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@ -11,6 +11,7 @@ cd src/tcc-0.9.27
# Patch
patch -Np0 -i ../../patches/static-link.patch
patch -Np0 -i ../../patches/ignore-static-inside-array.patch
# Compile
## We have to use 0.9.26 to recompile 0.9.27, 0.9.27 is not self-hosting for