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Fix modlib to get binary loading working again

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This patch fixes the issue reported here:
https://github.com/apache/nuttx/issues/9845
This commit is contained in:
Neale Ferguson
2023-07-23 19:45:16 -03:00
committed by Xiang Xiao
parent 60200b6c9b
commit ed4f651bbd
2 changed files with 11 additions and 8 deletions
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libs/libc/modlib/modlib_bind.c
+3 -3
View File
@@ -263,8 +263,8 @@ static int modlib_relocate(FAR struct module_s *modp,
/* Read the symbol table entry into memory */ /* Read the symbol table entry into memory */
ret = modlib_symvalue(modp, loadinfo, sym, ret = modlib_readsym(loadinfo, symidx, sym,
loadinfo->shdr[loadinfo->strtabidx].sh_offset); &loadinfo->shdr[loadinfo->symtabidx]);
if (ret < 0) if (ret < 0)
{ {
berr("ERROR: Section %d reloc %d: " berr("ERROR: Section %d reloc %d: "
@@ -862,7 +862,7 @@ int modlib_bind(FAR struct module_s *modp,
* sections that were not loaded into memory. * sections that were not loaded into memory.
*/ */
if ((loadinfo->shdr[i].sh_flags & SHF_ALLOC) == 0) if ((loadinfo->shdr[infosec].sh_flags & SHF_ALLOC) == 0)
{ {
continue; continue;
} }
libs/libc/modlib/modlib_load.c
+8 -5
View File
@@ -324,12 +324,10 @@ int modlib_load(FAR struct mod_loadinfo_s *loadinfo)
loadinfo->textalloc = (uintptr_t) loadinfo->textalloc = (uintptr_t)
up_textheap_memalign(loadinfo->textalign, up_textheap_memalign(loadinfo->textalign,
loadinfo->textsize + loadinfo->textsize +
loadinfo->datasize +
loadinfo->segpad); loadinfo->segpad);
#else #else
loadinfo->textalloc = (uintptr_t)lib_memalign(loadinfo->textalign, loadinfo->textalloc = (uintptr_t)lib_memalign(loadinfo->textalign,
loadinfo->textsize + loadinfo->textsize +
loadinfo->datasize +
loadinfo->segpad); loadinfo->segpad);
#endif #endif
if (!loadinfo->textalloc) if (!loadinfo->textalloc)
@@ -342,9 +340,14 @@ int modlib_load(FAR struct mod_loadinfo_s *loadinfo)
if (loadinfo->datasize > 0) if (loadinfo->datasize > 0)
{ {
loadinfo->datastart = loadinfo->textalloc + loadinfo->datastart = (uintptr_t)lib_memalign(loadinfo->dataalign,
loadinfo->textsize + loadinfo->datasize);
loadinfo->segpad; if (!loadinfo->datastart)
{
berr("ERROR: Failed to allocate memory for the module data\n");
ret = -ENOMEM;
goto errout_with_buffers;
}
} }
/* Load ELF section data into memory */ /* Load ELF section data into memory */