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Fix gdb could not get shared library list issue

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Get dynamic flags from phdr table's correct entry rather the first
entry, so that the following DT_DEBUG entry can be set.

Also fix the undefined reference to LoadTask::deleter issue under gcc
-O0 option.

Bug: 17524778

(cherry picked from commit e93be99da0)

Change-Id: I347792dab25c7b19c3fc690e03d20899ce1e26e0
This commit is contained in:
Ningsheng Jian
2014-09-16 15:22:10 +08:00
committed by Dmitriy Ivanov
parent 1cd0c6777f
commit 04f5f4100c
3 changed files with 14 additions and 6 deletions
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7
linker/linker_phdr.cpp
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@@ -702,15 +702,20 @@ int phdr_table_get_arm_exidx(const ElfW(Phdr)* phdr_table, size_t phdr_count,
* load_bias -> load bias
* Output:
* dynamic -> address of table in memory (null on failure).
* dynamic_flags -> protection flags for section (unset on failure)
* Return:
* void
*/
void phdr_table_get_dynamic_section(const ElfW(Phdr)* phdr_table, size_t phdr_count,
ElfW(Addr) load_bias, ElfW(Dyn)** dynamic) {
ElfW(Addr) load_bias, ElfW(Dyn)** dynamic,
ElfW(Word)* dynamic_flags) {
*dynamic = nullptr;
for (const ElfW(Phdr)* phdr = phdr_table, *phdr_limit = phdr + phdr_count; phdr < phdr_limit; phdr++) {
if (phdr->p_type == PT_DYNAMIC) {
*dynamic = reinterpret_cast<ElfW(Dyn)*>(load_bias + phdr->p_vaddr);
if (dynamic_flags) {
*dynamic_flags = phdr->p_flags;
}
return;
}
}