X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Fsection.c;h=34e08aef57eb9e02559100bb324d7df410b55923;hb=831bd6aa3b2d5e36c94b89756f58bb99f35026ca;hp=7ee3f6915b6fb8ea67dcdc4a7187e4ad9532f6a9;hpb=7cf7fcc83ca9fb4c4b591b3142bcf12e6e8a2aa5;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/section.c b/bfd/section.c index 7ee3f6915b..34e08aef57 100644 --- a/bfd/section.c +++ b/bfd/section.c @@ -1,5 +1,5 @@ /* Object file "section" support for the BFD library. - Copyright (C) 1990-2018 Free Software Foundation, Inc. + Copyright (C) 1990-2019 Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -549,31 +549,83 @@ CODE_FRAGMENT . int size; .}; . +.static inline const char * +.bfd_section_name (const asection *sec) +.{ +. return sec->name; +.} +. +.static inline bfd_size_type +.bfd_section_size (const asection *sec) +.{ +. return sec->size; +.} +. +.static inline bfd_vma +.bfd_section_vma (const asection *sec) +.{ +. return sec->vma; +.} +. +.static inline bfd_vma +.bfd_section_lma (const asection *sec) +.{ +. return sec->lma; +.} +. +.static inline unsigned int +.bfd_section_alignment (const asection *sec) +.{ +. return sec->alignment_power; +.} +. +.static inline flagword +.bfd_section_flags (const asection *sec) +.{ +. return sec->flags; +.} +. +.static inline void * +.bfd_section_userdata (const asection *sec) +.{ +. return sec->userdata; +.} +.static inline bfd_boolean +.bfd_is_com_section (const asection *sec) +.{ +. return (sec->flags & SEC_IS_COMMON) != 0; +.} +. .{* Note: the following are provided as inline functions rather than macros . because not all callers use the return value. A macro implementation . would use a comma expression, eg: "((ptr)->foo = val, TRUE)" and some . compilers will complain about comma expressions that have no effect. *} .static inline bfd_boolean -.bfd_set_section_userdata (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, -. void * val) +.bfd_set_section_userdata (asection *sec, void *val) +.{ +. sec->userdata = val; +. return TRUE; +.} +. +.static inline bfd_boolean +.bfd_set_section_vma (asection *sec, bfd_vma val) .{ -. ptr->userdata = val; +. sec->vma = sec->lma = val; +. sec->user_set_vma = TRUE; . return TRUE; .} . .static inline bfd_boolean -.bfd_set_section_vma (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, bfd_vma val) +.bfd_set_section_lma (asection *sec, bfd_vma val) .{ -. ptr->vma = ptr->lma = val; -. ptr->user_set_vma = TRUE; +. sec->lma = val; . return TRUE; .} . .static inline bfd_boolean -.bfd_set_section_alignment (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, -. unsigned int val) +.bfd_set_section_alignment (asection *sec, unsigned int val) .{ -. ptr->alignment_power = val; +. sec->alignment_power = val; . return TRUE; .} . @@ -596,105 +648,39 @@ CODE_FRAGMENT .{* Pointer to the indirect section. *} .#define bfd_ind_section_ptr (&_bfd_std_section[3]) . -.#define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr) -.#define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr) -.#define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr) -. -.#define bfd_is_const_section(SEC) \ -. ( ((SEC) == bfd_abs_section_ptr) \ -. || ((SEC) == bfd_und_section_ptr) \ -. || ((SEC) == bfd_com_section_ptr) \ -. || ((SEC) == bfd_ind_section_ptr)) -. -.{* Macros to handle insertion and deletion of a bfd's sections. These -. only handle the list pointers, ie. do not adjust section_count, -. target_index etc. *} -.#define bfd_section_list_remove(ABFD, S) \ -. do \ -. { \ -. asection *_s = S; \ -. asection *_next = _s->next; \ -. asection *_prev = _s->prev; \ -. if (_prev) \ -. _prev->next = _next; \ -. else \ -. (ABFD)->sections = _next; \ -. if (_next) \ -. _next->prev = _prev; \ -. else \ -. (ABFD)->section_last = _prev; \ -. } \ -. while (0) -.#define bfd_section_list_append(ABFD, S) \ -. do \ -. { \ -. asection *_s = S; \ -. bfd *_abfd = ABFD; \ -. _s->next = NULL; \ -. if (_abfd->section_last) \ -. { \ -. _s->prev = _abfd->section_last; \ -. _abfd->section_last->next = _s; \ -. } \ -. else \ -. { \ -. _s->prev = NULL; \ -. _abfd->sections = _s; \ -. } \ -. _abfd->section_last = _s; \ -. } \ -. while (0) -.#define bfd_section_list_prepend(ABFD, S) \ -. do \ -. { \ -. asection *_s = S; \ -. bfd *_abfd = ABFD; \ -. _s->prev = NULL; \ -. if (_abfd->sections) \ -. { \ -. _s->next = _abfd->sections; \ -. _abfd->sections->prev = _s; \ -. } \ -. else \ -. { \ -. _s->next = NULL; \ -. _abfd->section_last = _s; \ -. } \ -. _abfd->sections = _s; \ -. } \ -. while (0) -.#define bfd_section_list_insert_after(ABFD, A, S) \ -. do \ -. { \ -. asection *_a = A; \ -. asection *_s = S; \ -. asection *_next = _a->next; \ -. _s->next = _next; \ -. _s->prev = _a; \ -. _a->next = _s; \ -. if (_next) \ -. _next->prev = _s; \ -. else \ -. (ABFD)->section_last = _s; \ -. } \ -. while (0) -.#define bfd_section_list_insert_before(ABFD, B, S) \ -. do \ -. { \ -. asection *_b = B; \ -. asection *_s = S; \ -. asection *_prev = _b->prev; \ -. _s->prev = _prev; \ -. _s->next = _b; \ -. _b->prev = _s; \ -. if (_prev) \ -. _prev->next = _s; \ -. else \ -. (ABFD)->sections = _s; \ -. } \ -. while (0) -.#define bfd_section_removed_from_list(ABFD, S) \ -. ((S)->next == NULL ? (ABFD)->section_last != (S) : (S)->next->prev != (S)) +.static inline bfd_boolean +.bfd_is_und_section (const asection *sec) +.{ +. return sec == bfd_und_section_ptr; +.} +. +.static inline bfd_boolean +.bfd_is_abs_section (const asection *sec) +.{ +. return sec == bfd_abs_section_ptr; +.} +. +.static inline bfd_boolean +.bfd_is_ind_section (const asection *sec) +.{ +. return sec == bfd_ind_section_ptr; +.} +. +.static inline bfd_boolean +.bfd_is_const_section (const asection *sec) +.{ +. return sec >= bfd_abs_section_ptr && sec <= bfd_ind_section_ptr; +.} +. +.{* Return TRUE if input section SEC has been discarded. *} +.static inline bfd_boolean +.discarded_section (const asection *sec) +.{ +. return (!bfd_is_abs_section (sec) +. && bfd_is_abs_section (sec->output_section) +. && sec->sec_info_type != SEC_INFO_TYPE_MERGE +. && sec->sec_info_type != SEC_INFO_TYPE_JUST_SYMS); +.} . .#define BFD_FAKE_SECTION(SEC, SYM, NAME, IDX, FLAGS) \ . {* name, id, index, next, prev, flags, user_set_vma, *} \ @@ -1289,13 +1275,12 @@ FUNCTION bfd_set_section_flags SYNOPSIS - bfd_boolean bfd_set_section_flags - (bfd *abfd, asection *sec, flagword flags); + bfd_boolean bfd_set_section_flags (asection *sec, flagword flags); DESCRIPTION - Set the attributes of the section @var{sec} in the BFD - @var{abfd} to the value @var{flags}. Return <> on success, - <> on error. Possible error returns are: + Set the attributes of the section @var{sec} to the value @var{flags}. + Return <> on success, <> on error. Possible error + returns are: o <> - The section cannot have one or more of the attributes @@ -1305,9 +1290,7 @@ DESCRIPTION */ bfd_boolean -bfd_set_section_flags (bfd *abfd ATTRIBUTE_UNUSED, - sec_ptr section, - flagword flags) +bfd_set_section_flags (asection *section, flagword flags) { section->flags = flags; return TRUE; @@ -1319,21 +1302,21 @@ FUNCTION SYNOPSIS void bfd_rename_section - (bfd *abfd, asection *sec, const char *newname); + (asection *sec, const char *newname); DESCRIPTION - Rename section @var{sec} in @var{abfd} to @var{newname}. + Rename section @var{sec} to @var{newname}. */ void -bfd_rename_section (bfd *abfd, sec_ptr sec, const char *newname) +bfd_rename_section (asection *sec, const char *newname) { struct section_hash_entry *sh; sh = (struct section_hash_entry *) ((char *) sec - offsetof (struct section_hash_entry, section)); sh->section.name = newname; - bfd_hash_rename (&abfd->section_htab, newname, &sh->root); + bfd_hash_rename (&sec->owner->section_htab, newname, &sh->root); } /* @@ -1417,8 +1400,7 @@ FUNCTION bfd_set_section_size SYNOPSIS - bfd_boolean bfd_set_section_size - (bfd *abfd, asection *sec, bfd_size_type val); + bfd_boolean bfd_set_section_size (asection *sec, bfd_size_type val); DESCRIPTION Set @var{sec} to the size @var{val}. If the operation is @@ -1431,18 +1413,18 @@ DESCRIPTION */ bfd_boolean -bfd_set_section_size (bfd *abfd, sec_ptr ptr, bfd_size_type val) +bfd_set_section_size (asection *sec, bfd_size_type val) { /* Once you've started writing to any section you cannot create or change the size of any others. */ - if (abfd->output_has_begun) + if (sec->owner == NULL || sec->owner->output_has_begun) { bfd_set_error (bfd_error_invalid_operation); return FALSE; } - ptr->size = val; + sec->size = val; return TRUE; } @@ -1457,16 +1439,20 @@ SYNOPSIS DESCRIPTION Sets the contents of the section @var{section} in BFD - @var{abfd} to the data starting in memory at @var{data}. The - data is written to the output section starting at offset + @var{abfd} to the data starting in memory at @var{location}. + The data is written to the output section starting at offset @var{offset} for @var{count} octets. - Normally <> is returned, else <>. Possible error - returns are: + Normally <> is returned, but <> is returned if + there was an error. Possible error returns are: o <> - The output section does not have the <> attribute, so nothing can be written to it. - o and some more too + o <> - + The section is unable to contain all of the data. + o <> - + The BFD is not writeable. + o and some more too. This routine is front end to the back end function <<_bfd_set_section_contents>>. @@ -1482,7 +1468,7 @@ bfd_set_section_contents (bfd *abfd, { bfd_size_type sz; - if (!(bfd_get_section_flags (abfd, section) & SEC_HAS_CONTENTS)) + if (!(bfd_section_flags (section) & SEC_HAS_CONTENTS)) { bfd_set_error (bfd_error_no_contents); return FALSE; @@ -1658,6 +1644,24 @@ bfd_generic_is_group_section (bfd *abfd ATTRIBUTE_UNUSED, return FALSE; } +/* +FUNCTION + bfd_generic_group_name + +SYNOPSIS + const char *bfd_generic_group_name (bfd *, const asection *sec); + +DESCRIPTION + Returns group name if @var{sec} is a member of a group. +*/ + +const char * +bfd_generic_group_name (bfd *abfd ATTRIBUTE_UNUSED, + const asection *sec ATTRIBUTE_UNUSED) +{ + return NULL; +} + /* FUNCTION bfd_generic_discard_group