diff options
| author | Dimitar Dimitrov <dimitar@dinux.eu> | 2021-11-21 15:55:53 +0200 |
|---|---|---|
| committer | Dimitar Dimitrov <dimitar@dinux.eu> | 2021-12-08 21:18:30 +0200 |
| commit | dda85bc274e1148a0c576a8cb085bffadd0e54ab (patch) | |
| tree | 2b292f595c964a999c5c9b62458e114007d2a9f6 /gcc/config/pru | |
| parent | e4c2b55b4cefc574a4c2b0b06928220edb9b3f2c (diff) | |
| download | gcc-dda85bc274e1148a0c576a8cb085bffadd0e54ab.zip gcc-dda85bc274e1148a0c576a8cb085bffadd0e54ab.tar.gz gcc-dda85bc274e1148a0c576a8cb085bffadd0e54ab.tar.bz2 | |
pru: Fixup flags for .pru_irq_map section
Assign correct flags for the .pru_irq_map section, which the
PRU remoteproc host loader introduced in Linux kernel 5.10:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c75c9fdac66efd8b54773368254ef330c276171b
gcc/ChangeLog:
* config/pru/pru.c (pru_section_type_flags): New function.
(TARGET_SECTION_TYPE_FLAGS): Wire it.
gcc/testsuite/ChangeLog:
* gcc.target/pru/pru_irq_map.c: New test.
Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
Diffstat (limited to 'gcc/config/pru')
| -rw-r--r-- | gcc/config/pru/pru.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/config/pru/pru.c b/gcc/config/pru/pru.c index 9f264b4..01d283f 100644 --- a/gcc/config/pru/pru.c +++ b/gcc/config/pru/pru.c @@ -2022,6 +2022,23 @@ pru_assemble_integer (rtx x, unsigned int size, int aligned_p) } } +/* Implement TARGET_SECTION_TYPE_FLAGS. */ + +static unsigned int +pru_section_type_flags (tree decl, const char *name, int reloc) +{ + unsigned int flags = default_section_type_flags (decl, name, reloc); + + /* The .pru_irq_map section is not meant to be loaded into the target + memory. Instead its contents are read by the host remoteproc loader. + To prevent being marked as a loadable (allocated) section, the + .pru_irq_map section is intercepted and marked as a debug section. */ + if (!strcmp (name, ".pru_irq_map")) + flags = SECTION_DEBUG | SECTION_RETAIN; + + return flags; +} + /* Implement TARGET_ASM_FILE_START. */ static void @@ -3071,6 +3088,8 @@ pru_unwind_word_mode (void) #define TARGET_ASM_FUNCTION_PROLOGUE pru_asm_function_prologue #undef TARGET_ASM_INTEGER #define TARGET_ASM_INTEGER pru_assemble_integer +#undef TARGET_SECTION_TYPE_FLAGS +#define TARGET_SECTION_TYPE_FLAGS pru_section_type_flags #undef TARGET_ASM_FILE_START #define TARGET_ASM_FILE_START pru_file_start |