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Merge tag 'v5.7-rc6' into objtool/core, to pick up fixes and resolve semantic conflict

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Resolve structural conflict between:

  59566b0b62: ("x86/ftrace: Have ftrace trampolines turn read-only at the end of system boot up")

which introduced a new reference to 'ftrace_epilogue', and:

  0298739b79: ("x86,ftrace: Fix ftrace_regs_caller() unwind")

Which renamed it to 'ftrace_caller_end'. Rename the new usage site in the merge commit.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2020-05-18 13:00:36 +03:00
parent 6b5dd716da b9bbe6ed63
commit 7c0577f4e6
1125 changed files with 11788 additions and 5860 deletions
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17
tools/objtool/check.c
View File

@@ -73,6 +73,17 @@ static struct instruction *next_insn_same_func(struct objtool_file *file,
return find_insn(file, func->cfunc->sec, func->cfunc->offset);
}
static struct instruction *prev_insn_same_sym(struct objtool_file *file,
struct instruction *insn)
{
struct instruction *prev = list_prev_entry(insn, list);
if (&prev->list != &file->insn_list && prev->func == insn->func)
return prev;
return NULL;
}
#define func_for_each_insn(file, func, insn) \
for (insn = find_insn(file, func->sec, func->offset); \
insn; \
@@ -1096,8 +1107,8 @@ static struct rela *find_jump_table(struct objtool_file *file,
* it.
*/
for (;
&insn->list != &file->insn_list && insn->func && insn->func->pfunc == func;
insn = insn->first_jump_src ?: list_prev_entry(insn, list)) {
insn && insn->func && insn->func->pfunc == func;
insn = insn->first_jump_src ?: prev_insn_same_sym(file, insn)) {
if (insn != orig_insn && insn->type == INSN_JUMP_DYNAMIC)
break;
@@ -1613,7 +1624,7 @@ static int update_cfi_state_regs(struct instruction *insn,
{
struct cfi_reg *cfa = &cfi->cfa;
if (cfa->base != CFI_SP)
if (cfa->base != CFI_SP && cfa->base != CFI_SP_INDIRECT)
return 0;
/* push */

7
tools/objtool/elf.h
View File

@@ -89,9 +89,10 @@ struct elf {
#define OFFSET_STRIDE (1UL << OFFSET_STRIDE_BITS)
#define OFFSET_STRIDE_MASK (~(OFFSET_STRIDE - 1))
#define for_offset_range(_offset, _start, _end) \
for (_offset = ((_start) & OFFSET_STRIDE_MASK); \
_offset <= ((_end) & OFFSET_STRIDE_MASK); \
#define for_offset_range(_offset, _start, _end) \
for (_offset = ((_start) & OFFSET_STRIDE_MASK); \
_offset >= ((_start) & OFFSET_STRIDE_MASK) && \
_offset <= ((_end) & OFFSET_STRIDE_MASK); \
_offset += OFFSET_STRIDE)
static inline u32 sec_offset_hash(struct section *sec, unsigned long offset)