Emmanuel Blot eblot
eblot
/ newlib-libgloss-armv6m-none-eabi.diff
Created
October 21, 2023 08:17
Fix libgloss build for ARMv6m
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| diff --git a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S | |
| index 8490bde..bde5f98 100644 | |
| --- a/libgloss/arm/crt0.S | |
| +++ b/libgloss/arm/crt0.S | |
| @@ -565,7 +565,7 @@ change_back: | |
| /* For Thumb, constants must be after the code since only | |
| positive offsets are supported for PC relative addresses. */ | |
| - .align 0 | |
| + .align 2 |
eblot
/ newlib-libgloss-arm-none-eabi.diff
Created
October 21, 2023 08:15
Fix libgloss build for arm-none-eabi
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| diff --git a/libgloss/arm/Makefile.in b/libgloss/arm/Makefile.in | |
| index e1bad17..e8ddd42 100644 | |
| --- a/libgloss/arm/Makefile.in | |
| +++ b/libgloss/arm/Makefile.in | |
| @@ -109,17 +109,7 @@ INCLUDES += `if [ -d ${objroot}/newlib ]; then echo -I$(srcroot)/newlib/libc/mac | |
| # build a test program for each target board. Just trying to get | |
| # it to link is a good test, so we ignore all the errors for now. | |
| # | |
| -all: ${CRT0} ${LINUX_CRT0} ${LINUX_BSP} ${REDBOOT_CRT0} ${REDBOOT_OBJS} ${RDPMON_CRT0} ${RDPMON_BSP} ${RDIMON_CRT0} ${RDIMON_BSP} | |
| - @rootpre=`pwd`/; export rootpre; \ |
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| diff --git a/newlib/libc/include/stdio.h b/newlib/libc/include/stdio.h | |
| index 7748351..b94a847 100644 | |
| --- a/newlib/libc/include/stdio.h | |
| +++ b/newlib/libc/include/stdio.h | |
| @@ -690,7 +690,7 @@ _ELIDABLE_INLINE int __sputc_r(struct _reent *_ptr, int _c, FILE *_p) { | |
| __sputc_r (_ptr, '\r', _p); | |
| #endif | |
| if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) | |
| - return (*_p->_p++ = _c); | |
| + return (*_p->_p++ = (unsigned char)_c); |
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| diff -ur a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S | |
| --- a/libgloss/arm/crt0.S 2020-01-22 11:05:51.000000000 +0100 | |
| +++ b/libgloss/arm/crt0.S 2020-05-01 21:19:59.000000000 +0200 | |
| @@ -565,7 +565,7 @@ | |
| /* For Thumb, constants must be after the code since only | |
| positive offsets are supported for PC relative addresses. */ | |
| - .align 0 | |
| + .align 2 | |
| .LC0: |
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| diff -ur a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S | |
| --- a/libgloss/arm/crt0.S 2020-01-22 11:05:51.000000000 +0100 | |
| +++ b/libgloss/arm/crt0.S 2020-05-01 21:19:59.000000000 +0200 | |
| @@ -565,7 +565,7 @@ | |
| /* For Thumb, constants must be after the code since only | |
| positive offsets are supported for PC relative addresses. */ | |
| - .align 0 | |
| + .align 2 | |
| .LC0: |
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| diff --git a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S | |
| index 48f3d6b1d..1a0a446e4 100644 | |
| --- a/libgloss/arm/crt0.S | |
| +++ b/libgloss/arm/crt0.S | |
| @@ -565,7 +565,7 @@ | |
| /* For Thumb, constants must be after the code since only | |
| positive offsets are supported for PC relative addresses. */ | |
| - .align 0 | |
| + .align 2 |
eblot
/ 0003-enable-atomic-header-on-thread-less-builds.patch
Created
October 28, 2019 16:55
Atomic w/ threadless bare metal (adapter from Yves Delley's)
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| diff --git a/libcxx/include/__config b/libcxx/include/__config | |
| index 044cd0ceb00..f388afee43e 100644 | |
| --- a/libcxx/include/__config | |
| +++ b/libcxx/include/__config | |
| @@ -1204,14 +1204,13 @@ _LIBCPP_FUNC_VIS extern "C" void __sanitizer_annotate_contiguous_container( | |
| #if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && \ | |
| !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \ | |
| - !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP)) \ | |
| - || defined(_LIBCPP_HAS_NO_THREADS) |
eblot
/ 0002-explicitly-specify-location-of-libunwind-in-static-b.patch
Created
October 28, 2019 16:53
Libunwind w/ static linkage (adapter from Yves Delley's)
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| diff --git a/libcxxabi/src/CMakeLists.txt b/libcxxabi/src/CMakeLists.txt | |
| index b38973b0b17..a06c9cba498 100644 | |
| --- a/libcxxabi/src/CMakeLists.txt | |
| +++ b/libcxxabi/src/CMakeLists.txt | |
| @@ -84,9 +84,11 @@ if (LIBCXXABI_USE_LLVM_UNWINDER) | |
| if (NOT LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY AND (TARGET unwind_shared OR HAVE_LIBUNWIND)) | |
| list(APPEND LIBCXXABI_STATIC_LIBRARIES unwind_shared) | |
| elseif (LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY AND (TARGET unwind_static OR HAVE_LIBUNWIND)) | |
| - # We handle this by directly merging libunwind objects into libc++abi. | |
| + # We handle this by directly merging libunwind objects into libc++abi. |
eblot
/ 0001-support-FPv4-SP.patch
Created
October 28, 2019 16:52
FP support for bare metal CortexM (adapted from Yves Delley's)
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| diff --git a/compiler-rt/lib/builtins/CMakeLists.txt b/compiler-rt/lib/builtins/CMakeLists.txt | |
| index f42e13714c9..35fe752f037 100644 | |
| --- a/compiler-rt/lib/builtins/CMakeLists.txt | |
| +++ b/compiler-rt/lib/builtins/CMakeLists.txt | |
| @@ -380,52 +380,61 @@ set(arm_Thumb1_SjLj_EH_SOURCES | |
| arm/restore_vfp_d8_d15_regs.S | |
| arm/save_vfp_d8_d15_regs.S | |
| ) | |
| -set(arm_Thumb1_VFPv2_SOURCES | |
| - arm/adddf3vfp.S |
eblot
/ strlen-thumb2-Os.S.patch
Last active
September 22, 2019 12:24
Workaround for https://bugs.llvm.org/show_bug.cgi?id=43382
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| diff --git a/newlib/libc/machine/arm/strlen-thumb2-Os.S b/newlib/libc/machine/arm/strlen-thumb2-Os.S | |
| index 961f41a0a..7a8b3d93b 100644 | |
| --- a/newlib/libc/machine/arm/strlen-thumb2-Os.S | |
| +++ b/newlib/libc/machine/arm/strlen-thumb2-Os.S | |
| @@ -45,7 +45,7 @@ | |
| def_fn strlen p2align=1 | |
| mov r3, r0 | |
| -1: ldrb.w r2, [r3], #1 | |
| +1: ldrb r2, [r3], #1 |
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